./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:14:13,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:14:13,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 16:14:13,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:14:13,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:14:13,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:14:13,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:14:13,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:14:13,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:14:13,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:14:13,320 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:14:13,321 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:14:13,321 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:14:13,322 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:14:13,322 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:14:13,323 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:14:13,323 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:14:13,324 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:14:13,324 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:14:13,325 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:14:13,325 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:14:13,326 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:14:13,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:14:13,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:14:13,328 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:14:13,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:14:13,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:14:13,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:14:13,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:14:13,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:14:13,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:14:13,330 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 16:14:13,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:14:13,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:14:13,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:14:13,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:14:13,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:14:13,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:14:13,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:14:13,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:14:13,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:14:13,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:14:13,333 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:14:13,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:14:13,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:14:13,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:14:13,334 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:14:13,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:14:13,334 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2023-12-02 16:14:13,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:14:13,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:14:13,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:14:13,583 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:14:13,583 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:14:13,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-12-02 16:14:16,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:14:16,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:14:16,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-12-02 16:14:16,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/data/c07d81266/9c51e330abd441ac94b6497bb5cb8b98/FLAG841075b9a [2023-12-02 16:14:16,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/data/c07d81266/9c51e330abd441ac94b6497bb5cb8b98 [2023-12-02 16:14:16,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:14:16,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:14:16,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:14:16,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:14:16,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:14:16,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:14:16" (1/1) ... [2023-12-02 16:14:16,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f44466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:16, skipping insertion in model container [2023-12-02 16:14:16,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:14:16" (1/1) ... [2023-12-02 16:14:16,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:14:17,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:14:17,211 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:14:17,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:14:17,323 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:14:17,323 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:14:17,331 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:14:17,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17 WrapperNode [2023-12-02 16:14:17,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:14:17,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:14:17,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:14:17,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:14:17,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,395 INFO L138 Inliner]: procedures = 248, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-12-02 16:14:17,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:14:17,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:14:17,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:14:17,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:14:17,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:14:17,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:14:17,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:14:17,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:14:17,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (1/1) ... [2023-12-02 16:14:17,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:14:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:14:17,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:14:17,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cbeaf6f-ca6f-4bc9-81ba-731a4b1c9e52/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 16:14:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 16:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:14:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:14:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:14:17,524 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 16:14:17,758 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:14:17,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:14:18,167 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:14:18,276 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:14:18,276 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:14:18,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:14:18 BoogieIcfgContainer [2023-12-02 16:14:18,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:14:18,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:14:18,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:14:18,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:14:18,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:14:16" (1/3) ... [2023-12-02 16:14:18,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e89732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:14:18, skipping insertion in model container [2023-12-02 16:14:18,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:17" (2/3) ... [2023-12-02 16:14:18,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e89732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:14:18, skipping insertion in model container [2023-12-02 16:14:18,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:14:18" (3/3) ... [2023-12-02 16:14:18,288 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-12-02 16:14:18,296 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 16:14:18,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:14:18,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-02 16:14:18,308 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 16:14:18,419 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 16:14:18,453 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 267 places, 271 transitions, 556 flow [2023-12-02 16:14:19,782 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43745 states, 43556 states have (on average 2.932661401414271) internal successors, (127735), 43744 states have internal predecessors, (127735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:19,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:14:19,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3864d64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:14:19,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-12-02 16:14:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 43745 states, 43556 states have (on average 2.932661401414271) internal successors, (127735), 43744 states have internal predecessors, (127735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 16:14:19,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:19,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:19,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:19,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1000694706, now seen corresponding path program 1 times [2023-12-02 16:14:19,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:19,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117539341] [2023-12-02 16:14:19,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:19,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:20,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:20,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117539341] [2023-12-02 16:14:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117539341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:20,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:20,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:20,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109693510] [2023-12-02 16:14:20,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:20,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:20,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:20,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:20,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:20,900 INFO L87 Difference]: Start difference. First operand has 43745 states, 43556 states have (on average 2.932661401414271) internal successors, (127735), 43744 states have internal predecessors, (127735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:21,619 INFO L93 Difference]: Finished difference Result 28978 states and 82800 transitions. [2023-12-02 16:14:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:21,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-02 16:14:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:21,840 INFO L225 Difference]: With dead ends: 28978 [2023-12-02 16:14:21,840 INFO L226 Difference]: Without dead ends: 22164 [2023-12-02 16:14:21,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:21,845 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 2 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:21,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 517 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 16:14:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22164 states. [2023-12-02 16:14:22,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22164 to 22164. [2023-12-02 16:14:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22164 states, 22150 states have (on average 2.850293453724605) internal successors, (63134), 22163 states have internal predecessors, (63134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22164 states to 22164 states and 63134 transitions. [2023-12-02 16:14:22,962 INFO L78 Accepts]: Start accepts. Automaton has 22164 states and 63134 transitions. Word has length 36 [2023-12-02 16:14:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:22,962 INFO L495 AbstractCegarLoop]: Abstraction has 22164 states and 63134 transitions. [2023-12-02 16:14:22,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22164 states and 63134 transitions. [2023-12-02 16:14:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 16:14:22,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:22,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:22,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:14:22,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:22,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash -452712710, now seen corresponding path program 1 times [2023-12-02 16:14:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:22,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886777587] [2023-12-02 16:14:22,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:22,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:23,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:23,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886777587] [2023-12-02 16:14:23,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886777587] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:23,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:23,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:23,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353704570] [2023-12-02 16:14:23,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:23,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:23,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:23,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:23,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:23,473 INFO L87 Difference]: Start difference. First operand 22164 states and 63134 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:23,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:23,961 INFO L93 Difference]: Finished difference Result 22163 states and 63133 transitions. [2023-12-02 16:14:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:23,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-12-02 16:14:23,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:24,014 INFO L225 Difference]: With dead ends: 22163 [2023-12-02 16:14:24,014 INFO L226 Difference]: Without dead ends: 22163 [2023-12-02 16:14:24,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:24,016 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 3 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:24,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 437 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:14:24,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22163 states. [2023-12-02 16:14:24,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22163 to 22163. [2023-12-02 16:14:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22163 states, 22150 states have (on average 2.8502483069977425) internal successors, (63133), 22162 states have internal predecessors, (63133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22163 states to 22163 states and 63133 transitions. [2023-12-02 16:14:24,651 INFO L78 Accepts]: Start accepts. Automaton has 22163 states and 63133 transitions. Word has length 44 [2023-12-02 16:14:24,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:24,651 INFO L495 AbstractCegarLoop]: Abstraction has 22163 states and 63133 transitions. [2023-12-02 16:14:24,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 22163 states and 63133 transitions. [2023-12-02 16:14:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 16:14:24,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:24,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:24,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:14:24,657 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:24,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:24,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1767271726, now seen corresponding path program 1 times [2023-12-02 16:14:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:24,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386822278] [2023-12-02 16:14:24,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:25,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:25,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386822278] [2023-12-02 16:14:25,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386822278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:25,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:25,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:25,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930575192] [2023-12-02 16:14:25,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:25,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:25,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:25,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:25,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:25,269 INFO L87 Difference]: Start difference. First operand 22163 states and 63133 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:25,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:25,992 INFO L93 Difference]: Finished difference Result 23056 states and 65634 transitions. [2023-12-02 16:14:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:25,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-02 16:14:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:26,052 INFO L225 Difference]: With dead ends: 23056 [2023-12-02 16:14:26,052 INFO L226 Difference]: Without dead ends: 23056 [2023-12-02 16:14:26,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:26,054 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 113 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:26,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 647 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:14:26,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23056 states. [2023-12-02 16:14:26,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23056 to 22853. [2023-12-02 16:14:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22853 states, 22841 states have (on average 2.848430454008143) internal successors, (65061), 22852 states have internal predecessors, (65061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22853 states to 22853 states and 65061 transitions. [2023-12-02 16:14:26,594 INFO L78 Accepts]: Start accepts. Automaton has 22853 states and 65061 transitions. Word has length 67 [2023-12-02 16:14:26,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:26,595 INFO L495 AbstractCegarLoop]: Abstraction has 22853 states and 65061 transitions. [2023-12-02 16:14:26,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:26,595 INFO L276 IsEmpty]: Start isEmpty. Operand 22853 states and 65061 transitions. [2023-12-02 16:14:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 16:14:26,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:26,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:26,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:14:26,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:26,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash -503815121, now seen corresponding path program 1 times [2023-12-02 16:14:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13077051] [2023-12-02 16:14:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:26,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:26,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13077051] [2023-12-02 16:14:26,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13077051] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:26,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:26,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765709791] [2023-12-02 16:14:26,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:26,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:14:26,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:26,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:14:26,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:14:26,714 INFO L87 Difference]: Start difference. First operand 22853 states and 65061 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:26,886 INFO L93 Difference]: Finished difference Result 22882 states and 65089 transitions. [2023-12-02 16:14:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:26,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-02 16:14:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:26,934 INFO L225 Difference]: With dead ends: 22882 [2023-12-02 16:14:26,934 INFO L226 Difference]: Without dead ends: 22882 [2023-12-02 16:14:26,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 16:14:26,936 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 87 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:26,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 743 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:14:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22882 states. [2023-12-02 16:14:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22882 to 22842. [2023-12-02 16:14:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22842 states, 22831 states have (on average 2.84919626823179) internal successors, (65050), 22841 states have internal predecessors, (65050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22842 states to 22842 states and 65050 transitions. [2023-12-02 16:14:27,541 INFO L78 Accepts]: Start accepts. Automaton has 22842 states and 65050 transitions. Word has length 68 [2023-12-02 16:14:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:27,541 INFO L495 AbstractCegarLoop]: Abstraction has 22842 states and 65050 transitions. [2023-12-02 16:14:27,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 22842 states and 65050 transitions. [2023-12-02 16:14:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 16:14:27,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:27,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:27,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:14:27,546 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:27,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash -191524713, now seen corresponding path program 1 times [2023-12-02 16:14:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:27,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61289089] [2023-12-02 16:14:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:28,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:28,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61289089] [2023-12-02 16:14:28,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61289089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:28,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:28,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:28,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344969734] [2023-12-02 16:14:28,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:28,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:28,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:28,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:28,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:28,069 INFO L87 Difference]: Start difference. First operand 22842 states and 65050 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:28,830 INFO L93 Difference]: Finished difference Result 23735 states and 67551 transitions. [2023-12-02 16:14:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:28,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2023-12-02 16:14:28,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:28,882 INFO L225 Difference]: With dead ends: 23735 [2023-12-02 16:14:28,882 INFO L226 Difference]: Without dead ends: 23735 [2023-12-02 16:14:28,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:28,883 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 114 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:28,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 745 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 16:14:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23735 states. [2023-12-02 16:14:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23735 to 23532. [2023-12-02 16:14:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23532 states, 23522 states have (on average 2.847461950514412) internal successors, (66978), 23531 states have internal predecessors, (66978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23532 states to 23532 states and 66978 transitions. [2023-12-02 16:14:29,427 INFO L78 Accepts]: Start accepts. Automaton has 23532 states and 66978 transitions. Word has length 75 [2023-12-02 16:14:29,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:29,428 INFO L495 AbstractCegarLoop]: Abstraction has 23532 states and 66978 transitions. [2023-12-02 16:14:29,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23532 states and 66978 transitions. [2023-12-02 16:14:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 16:14:29,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:29,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:29,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:14:29,434 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:29,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:29,435 INFO L85 PathProgramCache]: Analyzing trace with hash -604008439, now seen corresponding path program 1 times [2023-12-02 16:14:29,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422074456] [2023-12-02 16:14:29,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:29,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:29,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:29,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422074456] [2023-12-02 16:14:29,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422074456] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:29,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:29,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:29,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135210590] [2023-12-02 16:14:29,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:29,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:29,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:29,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:29,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:29,982 INFO L87 Difference]: Start difference. First operand 23532 states and 66978 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:30,567 INFO L93 Difference]: Finished difference Result 27068 states and 76729 transitions. [2023-12-02 16:14:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:30,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-02 16:14:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:30,620 INFO L225 Difference]: With dead ends: 27068 [2023-12-02 16:14:30,620 INFO L226 Difference]: Without dead ends: 27068 [2023-12-02 16:14:30,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:30,621 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 176 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:30,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 584 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:14:30,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27068 states. [2023-12-02 16:14:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27068 to 24221. [2023-12-02 16:14:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24221 states, 24213 states have (on average 2.845785321934498) internal successors, (68905), 24220 states have internal predecessors, (68905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24221 states to 24221 states and 68905 transitions. [2023-12-02 16:14:31,155 INFO L78 Accepts]: Start accepts. Automaton has 24221 states and 68905 transitions. Word has length 82 [2023-12-02 16:14:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:31,156 INFO L495 AbstractCegarLoop]: Abstraction has 24221 states and 68905 transitions. [2023-12-02 16:14:31,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 24221 states and 68905 transitions. [2023-12-02 16:14:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 16:14:31,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:31,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:31,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:14:31,167 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:31,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:31,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1830869973, now seen corresponding path program 1 times [2023-12-02 16:14:31,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:31,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242113509] [2023-12-02 16:14:31,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:31,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:31,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:31,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242113509] [2023-12-02 16:14:31,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242113509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:31,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:31,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:31,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108054090] [2023-12-02 16:14:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:31,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:31,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:31,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:31,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:31,855 INFO L87 Difference]: Start difference. First operand 24221 states and 68905 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:32,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:32,333 INFO L93 Difference]: Finished difference Result 25352 states and 71629 transitions. [2023-12-02 16:14:32,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:32,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-02 16:14:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:32,400 INFO L225 Difference]: With dead ends: 25352 [2023-12-02 16:14:32,400 INFO L226 Difference]: Without dead ends: 25352 [2023-12-02 16:14:32,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:32,401 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 229 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:32,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 539 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 16:14:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25352 states. [2023-12-02 16:14:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25352 to 24912. [2023-12-02 16:14:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24912 states, 24904 states have (on average 2.8442820430452938) internal successors, (70834), 24911 states have internal predecessors, (70834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24912 states to 24912 states and 70834 transitions. [2023-12-02 16:14:33,032 INFO L78 Accepts]: Start accepts. Automaton has 24912 states and 70834 transitions. Word has length 84 [2023-12-02 16:14:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:33,033 INFO L495 AbstractCegarLoop]: Abstraction has 24912 states and 70834 transitions. [2023-12-02 16:14:33,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24912 states and 70834 transitions. [2023-12-02 16:14:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 16:14:33,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:33,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:33,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 16:14:33,051 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:33,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash 818441611, now seen corresponding path program 1 times [2023-12-02 16:14:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:33,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330474497] [2023-12-02 16:14:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:33,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330474497] [2023-12-02 16:14:33,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330474497] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:33,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:33,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:33,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958815609] [2023-12-02 16:14:33,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:33,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:14:33,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:33,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:14:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:14:33,251 INFO L87 Difference]: Start difference. First operand 24912 states and 70834 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:33,523 INFO L93 Difference]: Finished difference Result 9593 states and 26708 transitions. [2023-12-02 16:14:33,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:33,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-02 16:14:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:33,545 INFO L225 Difference]: With dead ends: 9593 [2023-12-02 16:14:33,545 INFO L226 Difference]: Without dead ends: 9593 [2023-12-02 16:14:33,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 16:14:33,546 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 333 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:33,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 868 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:14:33,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9593 states. [2023-12-02 16:14:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9593 to 9555. [2023-12-02 16:14:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9555 states, 9551 states have (on average 2.7924824625693643) internal successors, (26671), 9554 states have internal predecessors, (26671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9555 states to 9555 states and 26671 transitions. [2023-12-02 16:14:33,788 INFO L78 Accepts]: Start accepts. Automaton has 9555 states and 26671 transitions. Word has length 94 [2023-12-02 16:14:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:33,788 INFO L495 AbstractCegarLoop]: Abstraction has 9555 states and 26671 transitions. [2023-12-02 16:14:33,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 9555 states and 26671 transitions. [2023-12-02 16:14:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:33,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:33,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:33,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 16:14:33,801 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:33,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:33,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1163494748, now seen corresponding path program 1 times [2023-12-02 16:14:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:33,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165776335] [2023-12-02 16:14:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:34,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:34,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165776335] [2023-12-02 16:14:34,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165776335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:34,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:34,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:14:34,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415573179] [2023-12-02 16:14:34,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:14:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:14:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:34,292 INFO L87 Difference]: Start difference. First operand 9555 states and 26671 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:34,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:34,486 INFO L93 Difference]: Finished difference Result 9566 states and 26682 transitions. [2023-12-02 16:14:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:14:34,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:34,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:34,502 INFO L225 Difference]: With dead ends: 9566 [2023-12-02 16:14:34,502 INFO L226 Difference]: Without dead ends: 9457 [2023-12-02 16:14:34,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:14:34,503 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 64 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:34,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 300 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:14:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9457 states. [2023-12-02 16:14:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9457 to 9457. [2023-12-02 16:14:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9455 states have (on average 2.8085668958223162) internal successors, (26555), 9456 states have internal predecessors, (26555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 26555 transitions. [2023-12-02 16:14:34,704 INFO L78 Accepts]: Start accepts. Automaton has 9457 states and 26555 transitions. Word has length 95 [2023-12-02 16:14:34,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:34,705 INFO L495 AbstractCegarLoop]: Abstraction has 9457 states and 26555 transitions. [2023-12-02 16:14:34,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 9457 states and 26555 transitions. [2023-12-02 16:14:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:34,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:34,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:34,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 16:14:34,717 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:34,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2078249500, now seen corresponding path program 1 times [2023-12-02 16:14:34,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806808410] [2023-12-02 16:14:34,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:35,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806808410] [2023-12-02 16:14:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806808410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:35,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:35,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:35,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330989957] [2023-12-02 16:14:35,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:35,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:35,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:35,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:35,935 INFO L87 Difference]: Start difference. First operand 9457 states and 26555 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:38,582 INFO L93 Difference]: Finished difference Result 11172 states and 30729 transitions. [2023-12-02 16:14:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 16:14:38,582 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:38,601 INFO L225 Difference]: With dead ends: 11172 [2023-12-02 16:14:38,601 INFO L226 Difference]: Without dead ends: 11172 [2023-12-02 16:14:38,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=434, Invalid=1458, Unknown=0, NotChecked=0, Total=1892 [2023-12-02 16:14:38,602 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1495 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:38,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 2383 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1566 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 16:14:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11172 states. [2023-12-02 16:14:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11172 to 9763. [2023-12-02 16:14:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9763 states, 9761 states have (on average 2.812826554656285) internal successors, (27456), 9762 states have internal predecessors, (27456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9763 states to 9763 states and 27456 transitions. [2023-12-02 16:14:38,813 INFO L78 Accepts]: Start accepts. Automaton has 9763 states and 27456 transitions. Word has length 95 [2023-12-02 16:14:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:38,813 INFO L495 AbstractCegarLoop]: Abstraction has 9763 states and 27456 transitions. [2023-12-02 16:14:38,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 9763 states and 27456 transitions. [2023-12-02 16:14:38,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:38,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:38,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:38,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 16:14:38,826 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:38,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:38,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1132430838, now seen corresponding path program 2 times [2023-12-02 16:14:38,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:38,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205449116] [2023-12-02 16:14:38,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:38,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:40,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:40,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205449116] [2023-12-02 16:14:40,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205449116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:40,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:40,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667278040] [2023-12-02 16:14:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:40,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:40,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:40,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:40,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:40,103 INFO L87 Difference]: Start difference. First operand 9763 states and 27456 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:42,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:42,851 INFO L93 Difference]: Finished difference Result 11676 states and 32177 transitions. [2023-12-02 16:14:42,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 16:14:42,852 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:42,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:42,867 INFO L225 Difference]: With dead ends: 11676 [2023-12-02 16:14:42,867 INFO L226 Difference]: Without dead ends: 11676 [2023-12-02 16:14:42,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=539, Invalid=1813, Unknown=0, NotChecked=0, Total=2352 [2023-12-02 16:14:42,869 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1685 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 2472 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:42,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 2472 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 16:14:42,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11676 states. [2023-12-02 16:14:42,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11676 to 9925. [2023-12-02 16:14:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9925 states, 9923 states have (on average 2.814975309886123) internal successors, (27933), 9924 states have internal predecessors, (27933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9925 states to 9925 states and 27933 transitions. [2023-12-02 16:14:43,024 INFO L78 Accepts]: Start accepts. Automaton has 9925 states and 27933 transitions. Word has length 95 [2023-12-02 16:14:43,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:43,025 INFO L495 AbstractCegarLoop]: Abstraction has 9925 states and 27933 transitions. [2023-12-02 16:14:43,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 9925 states and 27933 transitions. [2023-12-02 16:14:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:43,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:43,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:43,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 16:14:43,038 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:43,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:43,039 INFO L85 PathProgramCache]: Analyzing trace with hash -233810448, now seen corresponding path program 3 times [2023-12-02 16:14:43,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:43,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133817739] [2023-12-02 16:14:43,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:43,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:43,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:43,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133817739] [2023-12-02 16:14:43,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133817739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:43,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:43,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:43,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726814333] [2023-12-02 16:14:43,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:43,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:43,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:43,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:43,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:43,906 INFO L87 Difference]: Start difference. First operand 9925 states and 27933 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:47,464 INFO L93 Difference]: Finished difference Result 12180 states and 33625 transitions. [2023-12-02 16:14:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:14:47,464 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:47,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:47,480 INFO L225 Difference]: With dead ends: 12180 [2023-12-02 16:14:47,480 INFO L226 Difference]: Without dead ends: 12180 [2023-12-02 16:14:47,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=675, Invalid=2187, Unknown=0, NotChecked=0, Total=2862 [2023-12-02 16:14:47,481 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 1531 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 2255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:47,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 3241 Invalid, 2255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:14:47,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12180 states. [2023-12-02 16:14:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12180 to 10087. [2023-12-02 16:14:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10087 states, 10085 states have (on average 2.817055032226078) internal successors, (28410), 10086 states have internal predecessors, (28410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10087 states to 10087 states and 28410 transitions. [2023-12-02 16:14:47,638 INFO L78 Accepts]: Start accepts. Automaton has 10087 states and 28410 transitions. Word has length 95 [2023-12-02 16:14:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:47,639 INFO L495 AbstractCegarLoop]: Abstraction has 10087 states and 28410 transitions. [2023-12-02 16:14:47,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10087 states and 28410 transitions. [2023-12-02 16:14:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:47,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:47,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:47,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 16:14:47,649 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:47,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash -141327768, now seen corresponding path program 4 times [2023-12-02 16:14:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:47,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780498264] [2023-12-02 16:14:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:48,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780498264] [2023-12-02 16:14:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780498264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:48,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:48,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985367950] [2023-12-02 16:14:48,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:48,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:48,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:48,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:48,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:48,437 INFO L87 Difference]: Start difference. First operand 10087 states and 28410 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:51,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:51,958 INFO L93 Difference]: Finished difference Result 12684 states and 35073 transitions. [2023-12-02 16:14:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:14:51,959 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:51,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:51,976 INFO L225 Difference]: With dead ends: 12684 [2023-12-02 16:14:51,977 INFO L226 Difference]: Without dead ends: 12684 [2023-12-02 16:14:51,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=772, Invalid=2650, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:14:51,978 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 1721 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:51,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 3259 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:14:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12684 states. [2023-12-02 16:14:52,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12684 to 10249. [2023-12-02 16:14:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10249 states, 10247 states have (on average 2.81906899580365) internal successors, (28887), 10248 states have internal predecessors, (28887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10249 states to 10249 states and 28887 transitions. [2023-12-02 16:14:52,153 INFO L78 Accepts]: Start accepts. Automaton has 10249 states and 28887 transitions. Word has length 95 [2023-12-02 16:14:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 10249 states and 28887 transitions. [2023-12-02 16:14:52,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 10249 states and 28887 transitions. [2023-12-02 16:14:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:52,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:52,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:52,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 16:14:52,163 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:52,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:52,164 INFO L85 PathProgramCache]: Analyzing trace with hash 579019308, now seen corresponding path program 5 times [2023-12-02 16:14:52,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:52,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543422217] [2023-12-02 16:14:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:52,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:52,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543422217] [2023-12-02 16:14:52,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543422217] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:52,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:52,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:52,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518330981] [2023-12-02 16:14:52,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:52,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:52,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:52,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:52,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:52,856 INFO L87 Difference]: Start difference. First operand 10249 states and 28887 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:55,481 INFO L93 Difference]: Finished difference Result 11597 states and 32492 transitions. [2023-12-02 16:14:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:14:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:55,496 INFO L225 Difference]: With dead ends: 11597 [2023-12-02 16:14:55,496 INFO L226 Difference]: Without dead ends: 11597 [2023-12-02 16:14:55,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=842, Invalid=2940, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:14:55,498 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 1840 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:55,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 2935 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 16:14:55,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11597 states. [2023-12-02 16:14:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11597 to 10105. [2023-12-02 16:14:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10105 states, 10103 states have (on average 2.817281995446897) internal successors, (28463), 10104 states have internal predecessors, (28463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 28463 transitions. [2023-12-02 16:14:55,659 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 28463 transitions. Word has length 95 [2023-12-02 16:14:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:55,660 INFO L495 AbstractCegarLoop]: Abstraction has 10105 states and 28463 transitions. [2023-12-02 16:14:55,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 28463 transitions. [2023-12-02 16:14:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:55,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:55,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:55,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 16:14:55,673 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:55,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash 516000684, now seen corresponding path program 6 times [2023-12-02 16:14:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:55,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359654645] [2023-12-02 16:14:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:14:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:14:56,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:14:56,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359654645] [2023-12-02 16:14:56,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359654645] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:14:56,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:14:56,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:14:56,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799045581] [2023-12-02 16:14:56,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:14:56,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:14:56,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:14:56,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:14:56,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:14:56,416 INFO L87 Difference]: Start difference. First operand 10105 states and 28463 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:14:59,235 INFO L93 Difference]: Finished difference Result 12036 states and 33273 transitions. [2023-12-02 16:14:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 16:14:59,235 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:14:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:14:59,251 INFO L225 Difference]: With dead ends: 12036 [2023-12-02 16:14:59,251 INFO L226 Difference]: Without dead ends: 12036 [2023-12-02 16:14:59,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=883, Invalid=3149, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:14:59,253 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 1756 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:14:59,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 2950 Invalid, 2020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1948 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:14:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12036 states. [2023-12-02 16:14:59,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12036 to 10105. [2023-12-02 16:14:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10105 states, 10103 states have (on average 2.817281995446897) internal successors, (28463), 10104 states have internal predecessors, (28463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 28463 transitions. [2023-12-02 16:14:59,410 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 28463 transitions. Word has length 95 [2023-12-02 16:14:59,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:14:59,410 INFO L495 AbstractCegarLoop]: Abstraction has 10105 states and 28463 transitions. [2023-12-02 16:14:59,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:14:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 28463 transitions. [2023-12-02 16:14:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:14:59,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:14:59,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:14:59,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 16:14:59,419 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:14:59,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:14:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 382698122, now seen corresponding path program 7 times [2023-12-02 16:14:59,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:14:59,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512434516] [2023-12-02 16:14:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:14:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:14:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:00,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:00,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512434516] [2023-12-02 16:15:00,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512434516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:00,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:00,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:00,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591430965] [2023-12-02 16:15:00,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:00,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:00,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:00,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:00,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:00,168 INFO L87 Difference]: Start difference. First operand 10105 states and 28463 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:03,244 INFO L93 Difference]: Finished difference Result 12252 states and 33873 transitions. [2023-12-02 16:15:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 16:15:03,244 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:03,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:03,260 INFO L225 Difference]: With dead ends: 12252 [2023-12-02 16:15:03,260 INFO L226 Difference]: Without dead ends: 12252 [2023-12-02 16:15:03,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=790, Invalid=2870, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 16:15:03,262 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 1361 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:03,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 3320 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:15:03,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12252 states. [2023-12-02 16:15:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12252 to 10105. [2023-12-02 16:15:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10105 states, 10103 states have (on average 2.817281995446897) internal successors, (28463), 10104 states have internal predecessors, (28463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10105 states to 10105 states and 28463 transitions. [2023-12-02 16:15:03,419 INFO L78 Accepts]: Start accepts. Automaton has 10105 states and 28463 transitions. Word has length 95 [2023-12-02 16:15:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:03,419 INFO L495 AbstractCegarLoop]: Abstraction has 10105 states and 28463 transitions. [2023-12-02 16:15:03,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 10105 states and 28463 transitions. [2023-12-02 16:15:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:03,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:03,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:03,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 16:15:03,428 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:03,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:03,428 INFO L85 PathProgramCache]: Analyzing trace with hash -767255298, now seen corresponding path program 8 times [2023-12-02 16:15:03,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:03,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177621071] [2023-12-02 16:15:03,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:03,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:04,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:04,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177621071] [2023-12-02 16:15:04,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177621071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:04,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:04,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:04,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88712687] [2023-12-02 16:15:04,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:04,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:04,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:04,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:04,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:04,194 INFO L87 Difference]: Start difference. First operand 10105 states and 28463 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:06,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:06,253 INFO L93 Difference]: Finished difference Result 13368 states and 36961 transitions. [2023-12-02 16:15:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 16:15:06,254 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:06,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:06,272 INFO L225 Difference]: With dead ends: 13368 [2023-12-02 16:15:06,272 INFO L226 Difference]: Without dead ends: 13368 [2023-12-02 16:15:06,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1325, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 16:15:06,273 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 1301 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:06,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 2198 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 16:15:06,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13368 states. [2023-12-02 16:15:06,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13368 to 10213. [2023-12-02 16:15:06,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10213 states, 10211 states have (on average 2.8186269709137206) internal successors, (28781), 10212 states have internal predecessors, (28781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10213 states to 10213 states and 28781 transitions. [2023-12-02 16:15:06,439 INFO L78 Accepts]: Start accepts. Automaton has 10213 states and 28781 transitions. Word has length 95 [2023-12-02 16:15:06,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:06,439 INFO L495 AbstractCegarLoop]: Abstraction has 10213 states and 28781 transitions. [2023-12-02 16:15:06,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 10213 states and 28781 transitions. [2023-12-02 16:15:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:06,446 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:06,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 16:15:06,447 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:06,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1713073960, now seen corresponding path program 9 times [2023-12-02 16:15:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:06,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978671398] [2023-12-02 16:15:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:07,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978671398] [2023-12-02 16:15:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978671398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:07,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:07,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:07,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841976889] [2023-12-02 16:15:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:07,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:07,197 INFO L87 Difference]: Start difference. First operand 10213 states and 28781 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:10,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:10,267 INFO L93 Difference]: Finished difference Result 13872 states and 38409 transitions. [2023-12-02 16:15:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 16:15:10,268 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:10,286 INFO L225 Difference]: With dead ends: 13872 [2023-12-02 16:15:10,286 INFO L226 Difference]: Without dead ends: 13872 [2023-12-02 16:15:10,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=504, Invalid=1658, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 16:15:10,287 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1334 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:10,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2834 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:15:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13872 states. [2023-12-02 16:15:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13872 to 10177. [2023-12-02 16:15:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10175 states have (on average 2.8181818181818183) internal successors, (28675), 10176 states have internal predecessors, (28675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 28675 transitions. [2023-12-02 16:15:10,453 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 28675 transitions. Word has length 95 [2023-12-02 16:15:10,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:10,453 INFO L495 AbstractCegarLoop]: Abstraction has 10177 states and 28675 transitions. [2023-12-02 16:15:10,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 28675 transitions. [2023-12-02 16:15:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:10,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:10,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:10,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 16:15:10,461 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:10,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:10,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1215652050, now seen corresponding path program 10 times [2023-12-02 16:15:10,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:10,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004883126] [2023-12-02 16:15:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:11,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:11,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004883126] [2023-12-02 16:15:11,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004883126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:11,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:11,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:11,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770539154] [2023-12-02 16:15:11,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:11,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:11,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:11,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:11,171 INFO L87 Difference]: Start difference. First operand 10177 states and 28675 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:13,538 INFO L93 Difference]: Finished difference Result 13620 states and 37757 transitions. [2023-12-02 16:15:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 16:15:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:13,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:13,558 INFO L225 Difference]: With dead ends: 13620 [2023-12-02 16:15:13,559 INFO L226 Difference]: Without dead ends: 13620 [2023-12-02 16:15:13,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=674, Invalid=2082, Unknown=0, NotChecked=0, Total=2756 [2023-12-02 16:15:13,560 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1349 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:13,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 2532 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 16:15:13,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13620 states. [2023-12-02 16:15:13,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13620 to 10177. [2023-12-02 16:15:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10175 states have (on average 2.8181818181818183) internal successors, (28675), 10176 states have internal predecessors, (28675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 28675 transitions. [2023-12-02 16:15:13,741 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 28675 transitions. Word has length 95 [2023-12-02 16:15:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:13,742 INFO L495 AbstractCegarLoop]: Abstraction has 10177 states and 28675 transitions. [2023-12-02 16:15:13,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 28675 transitions. [2023-12-02 16:15:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:13,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:13,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:13,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 16:15:13,749 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:13,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash -451389808, now seen corresponding path program 11 times [2023-12-02 16:15:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:13,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091101755] [2023-12-02 16:15:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:14,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091101755] [2023-12-02 16:15:14,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091101755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:14,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204371867] [2023-12-02 16:15:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:14,489 INFO L87 Difference]: Start difference. First operand 10177 states and 28675 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:16,756 INFO L93 Difference]: Finished difference Result 13044 states and 36007 transitions. [2023-12-02 16:15:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 16:15:16,757 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:16,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:16,775 INFO L225 Difference]: With dead ends: 13044 [2023-12-02 16:15:16,775 INFO L226 Difference]: Without dead ends: 13044 [2023-12-02 16:15:16,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=396, Invalid=1326, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 16:15:16,776 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1321 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:16,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 2325 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:15:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13044 states. [2023-12-02 16:15:16,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13044 to 10285. [2023-12-02 16:15:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10285 states, 10283 states have (on average 2.819507925702616) internal successors, (28993), 10284 states have internal predecessors, (28993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10285 states to 10285 states and 28993 transitions. [2023-12-02 16:15:16,955 INFO L78 Accepts]: Start accepts. Automaton has 10285 states and 28993 transitions. Word has length 95 [2023-12-02 16:15:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:16,956 INFO L495 AbstractCegarLoop]: Abstraction has 10285 states and 28993 transitions. [2023-12-02 16:15:16,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 10285 states and 28993 transitions. [2023-12-02 16:15:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:16,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:16,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:16,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 16:15:16,965 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:16,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1397208470, now seen corresponding path program 12 times [2023-12-02 16:15:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:16,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184194668] [2023-12-02 16:15:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:17,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184194668] [2023-12-02 16:15:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184194668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:17,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:17,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883497784] [2023-12-02 16:15:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:17,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:17,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:17,712 INFO L87 Difference]: Start difference. First operand 10285 states and 28993 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:20,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:20,704 INFO L93 Difference]: Finished difference Result 13548 states and 37455 transitions. [2023-12-02 16:15:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 16:15:20,704 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:20,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:20,723 INFO L225 Difference]: With dead ends: 13548 [2023-12-02 16:15:20,723 INFO L226 Difference]: Without dead ends: 13548 [2023-12-02 16:15:20,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=502, Invalid=1660, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 16:15:20,725 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1328 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:20,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2937 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:15:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13548 states. [2023-12-02 16:15:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13548 to 10249. [2023-12-02 16:15:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10249 states, 10247 states have (on average 2.81906899580365) internal successors, (28887), 10248 states have internal predecessors, (28887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10249 states to 10249 states and 28887 transitions. [2023-12-02 16:15:20,900 INFO L78 Accepts]: Start accepts. Automaton has 10249 states and 28887 transitions. Word has length 95 [2023-12-02 16:15:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:20,901 INFO L495 AbstractCegarLoop]: Abstraction has 10249 states and 28887 transitions. [2023-12-02 16:15:20,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 10249 states and 28887 transitions. [2023-12-02 16:15:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:20,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:20,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:20,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 16:15:20,910 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:20,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:20,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1531517540, now seen corresponding path program 13 times [2023-12-02 16:15:20,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:20,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89462827] [2023-12-02 16:15:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:20,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:21,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:21,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89462827] [2023-12-02 16:15:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89462827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:21,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:21,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:21,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672769693] [2023-12-02 16:15:21,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:21,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:21,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:21,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:21,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:21,646 INFO L87 Difference]: Start difference. First operand 10249 states and 28887 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:25,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:25,419 INFO L93 Difference]: Finished difference Result 13854 states and 38302 transitions. [2023-12-02 16:15:25,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:15:25,419 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:25,438 INFO L225 Difference]: With dead ends: 13854 [2023-12-02 16:15:25,439 INFO L226 Difference]: Without dead ends: 13854 [2023-12-02 16:15:25,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=701, Invalid=2161, Unknown=0, NotChecked=0, Total=2862 [2023-12-02 16:15:25,440 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 1308 mSDsluCounter, 3266 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:25,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 3655 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:15:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13854 states. [2023-12-02 16:15:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13854 to 10213. [2023-12-02 16:15:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10213 states, 10211 states have (on average 2.8186269709137206) internal successors, (28781), 10212 states have internal predecessors, (28781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10213 states to 10213 states and 28781 transitions. [2023-12-02 16:15:25,615 INFO L78 Accepts]: Start accepts. Automaton has 10213 states and 28781 transitions. Word has length 95 [2023-12-02 16:15:25,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:25,615 INFO L495 AbstractCegarLoop]: Abstraction has 10213 states and 28781 transitions. [2023-12-02 16:15:25,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 10213 states and 28781 transitions. [2023-12-02 16:15:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:25,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:25,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:25,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 16:15:25,624 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:25,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:25,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1624000220, now seen corresponding path program 14 times [2023-12-02 16:15:25,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:25,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438358567] [2023-12-02 16:15:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:25,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:26,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:26,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438358567] [2023-12-02 16:15:26,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438358567] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:26,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:26,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465069079] [2023-12-02 16:15:26,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:26,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:26,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:26,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:26,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:26,279 INFO L87 Difference]: Start difference. First operand 10213 states and 28781 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:29,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:29,780 INFO L93 Difference]: Finished difference Result 13440 states and 37191 transitions. [2023-12-02 16:15:29,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:15:29,781 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:29,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:29,800 INFO L225 Difference]: With dead ends: 13440 [2023-12-02 16:15:29,800 INFO L226 Difference]: Without dead ends: 13440 [2023-12-02 16:15:29,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=799, Invalid=2623, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:15:29,802 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 1439 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:29,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 3587 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:15:29,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13440 states. [2023-12-02 16:15:29,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13440 to 10177. [2023-12-02 16:15:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10175 states have (on average 2.8181818181818183) internal successors, (28675), 10176 states have internal predecessors, (28675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 28675 transitions. [2023-12-02 16:15:29,977 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 28675 transitions. Word has length 95 [2023-12-02 16:15:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:29,978 INFO L495 AbstractCegarLoop]: Abstraction has 10177 states and 28675 transitions. [2023-12-02 16:15:29,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 28675 transitions. [2023-12-02 16:15:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:29,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:29,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:29,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 16:15:29,985 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:29,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1494072338, now seen corresponding path program 1 times [2023-12-02 16:15:29,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547596063] [2023-12-02 16:15:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:30,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:30,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547596063] [2023-12-02 16:15:30,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547596063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:30,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:30,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:30,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266970826] [2023-12-02 16:15:30,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:30,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:30,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:30,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:30,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:30,710 INFO L87 Difference]: Start difference. First operand 10177 states and 28675 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:33,065 INFO L93 Difference]: Finished difference Result 11526 states and 31902 transitions. [2023-12-02 16:15:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 16:15:33,065 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:33,081 INFO L225 Difference]: With dead ends: 11526 [2023-12-02 16:15:33,081 INFO L226 Difference]: Without dead ends: 11526 [2023-12-02 16:15:33,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=687, Invalid=2393, Unknown=0, NotChecked=0, Total=3080 [2023-12-02 16:15:33,082 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 1594 mSDsluCounter, 2197 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:33,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 2552 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 16:15:33,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11526 states. [2023-12-02 16:15:33,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11526 to 10559. [2023-12-02 16:15:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10559 states, 10557 states have (on average 2.8232452401250354) internal successors, (29805), 10558 states have internal predecessors, (29805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10559 states to 10559 states and 29805 transitions. [2023-12-02 16:15:33,250 INFO L78 Accepts]: Start accepts. Automaton has 10559 states and 29805 transitions. Word has length 95 [2023-12-02 16:15:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:33,250 INFO L495 AbstractCegarLoop]: Abstraction has 10559 states and 29805 transitions. [2023-12-02 16:15:33,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10559 states and 29805 transitions. [2023-12-02 16:15:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:33,258 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:33,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:33,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 16:15:33,258 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:33,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash -205393556, now seen corresponding path program 2 times [2023-12-02 16:15:33,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:33,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597521850] [2023-12-02 16:15:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:33,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:33,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:33,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597521850] [2023-12-02 16:15:33,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597521850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:33,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:33,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:33,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968121463] [2023-12-02 16:15:33,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:33,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:33,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:33,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:33,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:33,990 INFO L87 Difference]: Start difference. First operand 10559 states and 29805 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:36,671 INFO L93 Difference]: Finished difference Result 12086 states and 33521 transitions. [2023-12-02 16:15:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:15:36,672 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:36,688 INFO L225 Difference]: With dead ends: 12086 [2023-12-02 16:15:36,688 INFO L226 Difference]: Without dead ends: 12086 [2023-12-02 16:15:36,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=755, Invalid=2667, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:15:36,689 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1678 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:36,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 3130 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:15:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12086 states. [2023-12-02 16:15:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12086 to 10717. [2023-12-02 16:15:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10717 states, 10715 states have (on average 2.825104993000467) internal successors, (30271), 10716 states have internal predecessors, (30271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10717 states to 10717 states and 30271 transitions. [2023-12-02 16:15:36,860 INFO L78 Accepts]: Start accepts. Automaton has 10717 states and 30271 transitions. Word has length 95 [2023-12-02 16:15:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:36,861 INFO L495 AbstractCegarLoop]: Abstraction has 10717 states and 30271 transitions. [2023-12-02 16:15:36,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 10717 states and 30271 transitions. [2023-12-02 16:15:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:36,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:36,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:36,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 16:15:36,868 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:36,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:36,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1532778394, now seen corresponding path program 3 times [2023-12-02 16:15:36,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:36,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761185806] [2023-12-02 16:15:36,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:36,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:37,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761185806] [2023-12-02 16:15:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761185806] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:37,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:37,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589424972] [2023-12-02 16:15:37,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:37,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:37,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:37,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:37,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:37,540 INFO L87 Difference]: Start difference. First operand 10717 states and 30271 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:40,505 INFO L93 Difference]: Finished difference Result 12646 states and 35140 transitions. [2023-12-02 16:15:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:15:40,505 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:40,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:40,523 INFO L225 Difference]: With dead ends: 12646 [2023-12-02 16:15:40,523 INFO L226 Difference]: Without dead ends: 12646 [2023-12-02 16:15:40,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=833, Invalid=2949, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:15:40,525 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1674 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:40,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 3188 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 16:15:40,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12646 states. [2023-12-02 16:15:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12646 to 10875. [2023-12-02 16:15:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10875 states, 10873 states have (on average 2.8269106962199944) internal successors, (30737), 10874 states have internal predecessors, (30737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10875 states to 10875 states and 30737 transitions. [2023-12-02 16:15:40,702 INFO L78 Accepts]: Start accepts. Automaton has 10875 states and 30737 transitions. Word has length 95 [2023-12-02 16:15:40,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:40,702 INFO L495 AbstractCegarLoop]: Abstraction has 10875 states and 30737 transitions. [2023-12-02 16:15:40,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 10875 states and 30737 transitions. [2023-12-02 16:15:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:40,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:40,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:40,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 16:15:40,710 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:40,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash 697913724, now seen corresponding path program 4 times [2023-12-02 16:15:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868788143] [2023-12-02 16:15:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:41,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868788143] [2023-12-02 16:15:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868788143] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:41,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:41,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:41,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010301038] [2023-12-02 16:15:41,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:41,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:41,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:41,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:41,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:41,367 INFO L87 Difference]: Start difference. First operand 10875 states and 30737 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:45,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:45,174 INFO L93 Difference]: Finished difference Result 13262 states and 36843 transitions. [2023-12-02 16:15:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 16:15:45,174 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:45,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:45,193 INFO L225 Difference]: With dead ends: 13262 [2023-12-02 16:15:45,193 INFO L226 Difference]: Without dead ends: 13262 [2023-12-02 16:15:45,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1185, Invalid=4217, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:15:45,195 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 1506 mSDsluCounter, 4053 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 4615 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:45,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 4615 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:15:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13262 states. [2023-12-02 16:15:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13262 to 11005. [2023-12-02 16:15:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11005 states, 11003 states have (on average 2.826410978823957) internal successors, (31099), 11004 states have internal predecessors, (31099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11005 states to 11005 states and 31099 transitions. [2023-12-02 16:15:45,375 INFO L78 Accepts]: Start accepts. Automaton has 11005 states and 31099 transitions. Word has length 95 [2023-12-02 16:15:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:45,376 INFO L495 AbstractCegarLoop]: Abstraction has 11005 states and 31099 transitions. [2023-12-02 16:15:45,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11005 states and 31099 transitions. [2023-12-02 16:15:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:45,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:45,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:45,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 16:15:45,384 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:45,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:45,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1365054656, now seen corresponding path program 5 times [2023-12-02 16:15:45,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:45,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067987990] [2023-12-02 16:15:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:45,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:46,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067987990] [2023-12-02 16:15:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067987990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:46,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:46,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603808315] [2023-12-02 16:15:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:46,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:46,049 INFO L87 Difference]: Start difference. First operand 11005 states and 31099 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:50,402 INFO L93 Difference]: Finished difference Result 11738 states and 32840 transitions. [2023-12-02 16:15:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 16:15:50,402 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:50,418 INFO L225 Difference]: With dead ends: 11738 [2023-12-02 16:15:50,418 INFO L226 Difference]: Without dead ends: 11738 [2023-12-02 16:15:50,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1328, Invalid=4992, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 16:15:50,420 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1777 mSDsluCounter, 5179 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 5774 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:50,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 5774 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:15:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11738 states. [2023-12-02 16:15:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11738 to 10212. [2023-12-02 16:15:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10212 states, 10210 states have (on average 2.818315377081293) internal successors, (28775), 10211 states have internal predecessors, (28775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10212 states to 10212 states and 28775 transitions. [2023-12-02 16:15:50,585 INFO L78 Accepts]: Start accepts. Automaton has 10212 states and 28775 transitions. Word has length 95 [2023-12-02 16:15:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:50,585 INFO L495 AbstractCegarLoop]: Abstraction has 10212 states and 28775 transitions. [2023-12-02 16:15:50,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 10212 states and 28775 transitions. [2023-12-02 16:15:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:50,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:50,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:50,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 16:15:50,592 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:50,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:50,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1712790146, now seen corresponding path program 15 times [2023-12-02 16:15:50,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:50,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186333161] [2023-12-02 16:15:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:51,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:51,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186333161] [2023-12-02 16:15:51,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186333161] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:51,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:51,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:51,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256905396] [2023-12-02 16:15:51,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:51,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:51,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:51,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:51,367 INFO L87 Difference]: Start difference. First operand 10212 states and 28775 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:53,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:53,570 INFO L93 Difference]: Finished difference Result 12811 states and 35299 transitions. [2023-12-02 16:15:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 16:15:53,571 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:53,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:53,588 INFO L225 Difference]: With dead ends: 12811 [2023-12-02 16:15:53,588 INFO L226 Difference]: Without dead ends: 12811 [2023-12-02 16:15:53,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=371, Invalid=1189, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 16:15:53,589 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 1057 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:53,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 2136 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:15:53,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12811 states. [2023-12-02 16:15:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12811 to 10316. [2023-12-02 16:15:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10316 states, 10314 states have (on average 2.819468683343029) internal successors, (29080), 10315 states have internal predecessors, (29080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10316 states to 10316 states and 29080 transitions. [2023-12-02 16:15:53,760 INFO L78 Accepts]: Start accepts. Automaton has 10316 states and 29080 transitions. Word has length 95 [2023-12-02 16:15:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:53,761 INFO L495 AbstractCegarLoop]: Abstraction has 10316 states and 29080 transitions. [2023-12-02 16:15:53,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10316 states and 29080 transitions. [2023-12-02 16:15:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:53,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:53,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:53,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 16:15:53,768 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:53,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:53,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1636358488, now seen corresponding path program 16 times [2023-12-02 16:15:53,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:53,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618574439] [2023-12-02 16:15:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:54,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618574439] [2023-12-02 16:15:54,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618574439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:54,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:54,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970275147] [2023-12-02 16:15:54,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:54,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:54,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:54,510 INFO L87 Difference]: Start difference. First operand 10316 states and 29080 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:57,685 INFO L93 Difference]: Finished difference Result 13315 states and 36747 transitions. [2023-12-02 16:15:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 16:15:57,685 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:15:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:57,703 INFO L225 Difference]: With dead ends: 13315 [2023-12-02 16:15:57,704 INFO L226 Difference]: Without dead ends: 13315 [2023-12-02 16:15:57,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 16:15:57,704 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 1345 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 2827 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:57,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 2827 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:15:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13315 states. [2023-12-02 16:15:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13315 to 10280. [2023-12-02 16:15:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10280 states, 10278 states have (on average 2.8190309398715705) internal successors, (28974), 10279 states have internal predecessors, (28974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10280 states to 10280 states and 28974 transitions. [2023-12-02 16:15:57,881 INFO L78 Accepts]: Start accepts. Automaton has 10280 states and 28974 transitions. Word has length 95 [2023-12-02 16:15:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:57,881 INFO L495 AbstractCegarLoop]: Abstraction has 10280 states and 28974 transitions. [2023-12-02 16:15:57,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:15:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 10280 states and 28974 transitions. [2023-12-02 16:15:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:15:57,888 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:57,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:15:57,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 16:15:57,889 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:15:57,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash 270117202, now seen corresponding path program 17 times [2023-12-02 16:15:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:57,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435844514] [2023-12-02 16:15:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:15:58,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:15:58,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435844514] [2023-12-02 16:15:58,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435844514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:58,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:58,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:15:58,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107399536] [2023-12-02 16:15:58,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:58,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:15:58,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:15:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:15:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:15:58,612 INFO L87 Difference]: Start difference. First operand 10280 states and 28974 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:01,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:01,628 INFO L93 Difference]: Finished difference Result 13063 states and 36095 transitions. [2023-12-02 16:16:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:16:01,628 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:01,645 INFO L225 Difference]: With dead ends: 13063 [2023-12-02 16:16:01,646 INFO L226 Difference]: Without dead ends: 13063 [2023-12-02 16:16:01,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=1972, Unknown=0, NotChecked=0, Total=2652 [2023-12-02 16:16:01,646 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 1173 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:01,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 3086 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 16:16:01,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13063 states. [2023-12-02 16:16:01,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13063 to 10240. [2023-12-02 16:16:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10240 states, 10238 states have (on average 2.8184215667122485) internal successors, (28855), 10239 states have internal predecessors, (28855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10240 states to 10240 states and 28855 transitions. [2023-12-02 16:16:01,816 INFO L78 Accepts]: Start accepts. Automaton has 10240 states and 28855 transitions. Word has length 95 [2023-12-02 16:16:01,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:01,816 INFO L495 AbstractCegarLoop]: Abstraction has 10240 states and 28855 transitions. [2023-12-02 16:16:01,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10240 states and 28855 transitions. [2023-12-02 16:16:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:01,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:01,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:01,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 16:16:01,825 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:01,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1770962314, now seen corresponding path program 18 times [2023-12-02 16:16:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585930122] [2023-12-02 16:16:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:02,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585930122] [2023-12-02 16:16:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585930122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:02,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:02,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102340300] [2023-12-02 16:16:02,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:02,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:02,617 INFO L87 Difference]: Start difference. First operand 10240 states and 28855 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:05,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:05,079 INFO L93 Difference]: Finished difference Result 13459 states and 37045 transitions. [2023-12-02 16:16:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 16:16:05,080 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:05,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:05,098 INFO L225 Difference]: With dead ends: 13459 [2023-12-02 16:16:05,098 INFO L226 Difference]: Without dead ends: 13459 [2023-12-02 16:16:05,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=1192, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 16:16:05,099 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1146 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 2483 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:05,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 2483 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:16:05,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13459 states. [2023-12-02 16:16:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13459 to 10326. [2023-12-02 16:16:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10326 states, 10324 states have (on average 2.8193529639674546) internal successors, (29107), 10325 states have internal predecessors, (29107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10326 states to 10326 states and 29107 transitions. [2023-12-02 16:16:05,275 INFO L78 Accepts]: Start accepts. Automaton has 10326 states and 29107 transitions. Word has length 95 [2023-12-02 16:16:05,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:05,275 INFO L495 AbstractCegarLoop]: Abstraction has 10326 states and 29107 transitions. [2023-12-02 16:16:05,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10326 states and 29107 transitions. [2023-12-02 16:16:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:05,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:05,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:05,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 16:16:05,283 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:05,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:05,283 INFO L85 PathProgramCache]: Analyzing trace with hash 825143652, now seen corresponding path program 19 times [2023-12-02 16:16:05,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:05,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017826375] [2023-12-02 16:16:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:05,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017826375] [2023-12-02 16:16:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017826375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:05,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:05,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:05,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34081070] [2023-12-02 16:16:05,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:05,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:06,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:06,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:06,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:06,000 INFO L87 Difference]: Start difference. First operand 10326 states and 29107 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:08,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:08,714 INFO L93 Difference]: Finished difference Result 13963 states and 38493 transitions. [2023-12-02 16:16:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 16:16:08,715 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:08,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:08,734 INFO L225 Difference]: With dead ends: 13963 [2023-12-02 16:16:08,734 INFO L226 Difference]: Without dead ends: 13963 [2023-12-02 16:16:08,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=475, Invalid=1505, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 16:16:08,735 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1079 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:08,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 2571 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 16:16:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13963 states. [2023-12-02 16:16:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13963 to 10290. [2023-12-02 16:16:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10290 states, 10288 states have (on average 2.818915241057543) internal successors, (29001), 10289 states have internal predecessors, (29001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10290 states to 10290 states and 29001 transitions. [2023-12-02 16:16:08,914 INFO L78 Accepts]: Start accepts. Automaton has 10290 states and 29001 transitions. Word has length 95 [2023-12-02 16:16:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:08,915 INFO L495 AbstractCegarLoop]: Abstraction has 10290 states and 29001 transitions. [2023-12-02 16:16:08,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 10290 states and 29001 transitions. [2023-12-02 16:16:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:08,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:08,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:08,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 16:16:08,923 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:08,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash -541097634, now seen corresponding path program 20 times [2023-12-02 16:16:08,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:08,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226049535] [2023-12-02 16:16:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:08,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:09,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226049535] [2023-12-02 16:16:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226049535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:09,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:09,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626379151] [2023-12-02 16:16:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:09,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:09,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:09,624 INFO L87 Difference]: Start difference. First operand 10290 states and 29001 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:12,387 INFO L93 Difference]: Finished difference Result 13513 states and 37240 transitions. [2023-12-02 16:16:12,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 16:16:12,387 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:12,405 INFO L225 Difference]: With dead ends: 13513 [2023-12-02 16:16:12,405 INFO L226 Difference]: Without dead ends: 13513 [2023-12-02 16:16:12,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=708, Invalid=2048, Unknown=0, NotChecked=0, Total=2756 [2023-12-02 16:16:12,406 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 1222 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:12,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 3050 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 16:16:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13513 states. [2023-12-02 16:16:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13513 to 10214. [2023-12-02 16:16:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10214 states, 10212 states have (on average 2.81786133960047) internal successors, (28776), 10213 states have internal predecessors, (28776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10214 states to 10214 states and 28776 transitions. [2023-12-02 16:16:12,612 INFO L78 Accepts]: Start accepts. Automaton has 10214 states and 28776 transitions. Word has length 95 [2023-12-02 16:16:12,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:12,612 INFO L495 AbstractCegarLoop]: Abstraction has 10214 states and 28776 transitions. [2023-12-02 16:16:12,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 10214 states and 28776 transitions. [2023-12-02 16:16:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:12,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:12,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:12,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-02 16:16:12,619 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:12,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2086827804, now seen corresponding path program 21 times [2023-12-02 16:16:12,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:12,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911337610] [2023-12-02 16:16:12,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:13,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:13,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911337610] [2023-12-02 16:16:13,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911337610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:13,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:13,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:13,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942195612] [2023-12-02 16:16:13,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:13,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:13,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:13,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:13,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:13,385 INFO L87 Difference]: Start difference. First operand 10214 states and 28776 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:15,903 INFO L93 Difference]: Finished difference Result 12433 states and 34186 transitions. [2023-12-02 16:16:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 16:16:15,904 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:15,920 INFO L225 Difference]: With dead ends: 12433 [2023-12-02 16:16:15,920 INFO L226 Difference]: Without dead ends: 12433 [2023-12-02 16:16:15,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=1192, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 16:16:15,921 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1328 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:15,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2368 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:16:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12433 states. [2023-12-02 16:16:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12433 to 10234. [2023-12-02 16:16:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10234 states, 10232 states have (on average 2.8176309616888195) internal successors, (28830), 10233 states have internal predecessors, (28830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10234 states to 10234 states and 28830 transitions. [2023-12-02 16:16:16,088 INFO L78 Accepts]: Start accepts. Automaton has 10234 states and 28830 transitions. Word has length 95 [2023-12-02 16:16:16,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:16,088 INFO L495 AbstractCegarLoop]: Abstraction has 10234 states and 28830 transitions. [2023-12-02 16:16:16,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10234 states and 28830 transitions. [2023-12-02 16:16:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:16,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:16,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:16,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-02 16:16:16,097 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:16,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1141009142, now seen corresponding path program 22 times [2023-12-02 16:16:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:16,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608516704] [2023-12-02 16:16:16,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:16,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:16,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608516704] [2023-12-02 16:16:16,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608516704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:16,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:16,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:16,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779759369] [2023-12-02 16:16:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:16,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:16,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:16,796 INFO L87 Difference]: Start difference. First operand 10234 states and 28830 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:19,775 INFO L93 Difference]: Finished difference Result 12937 states and 35634 transitions. [2023-12-02 16:16:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 16:16:19,776 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:19,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:19,793 INFO L225 Difference]: With dead ends: 12937 [2023-12-02 16:16:19,793 INFO L226 Difference]: Without dead ends: 12937 [2023-12-02 16:16:19,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=474, Invalid=1506, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 16:16:19,794 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 1210 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:19,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 2956 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 2036 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:16:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12937 states. [2023-12-02 16:16:19,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12937 to 10198. [2023-12-02 16:16:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 10196 states have (on average 2.8171832091016085) internal successors, (28724), 10197 states have internal predecessors, (28724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 28724 transitions. [2023-12-02 16:16:19,966 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 28724 transitions. Word has length 95 [2023-12-02 16:16:19,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:19,966 INFO L495 AbstractCegarLoop]: Abstraction has 10198 states and 28724 transitions. [2023-12-02 16:16:19,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 28724 transitions. [2023-12-02 16:16:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:19,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:19,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:19,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-02 16:16:19,974 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:19,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:19,974 INFO L85 PathProgramCache]: Analyzing trace with hash -225232144, now seen corresponding path program 23 times [2023-12-02 16:16:19,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:19,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014097627] [2023-12-02 16:16:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:20,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:20,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014097627] [2023-12-02 16:16:20,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014097627] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:20,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:20,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154482712] [2023-12-02 16:16:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:20,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:20,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:20,672 INFO L87 Difference]: Start difference. First operand 10198 states and 28724 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:24,220 INFO L93 Difference]: Finished difference Result 13243 states and 36481 transitions. [2023-12-02 16:16:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:16:24,221 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:24,239 INFO L225 Difference]: With dead ends: 13243 [2023-12-02 16:16:24,239 INFO L226 Difference]: Without dead ends: 13243 [2023-12-02 16:16:24,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=736, Invalid=2126, Unknown=0, NotChecked=0, Total=2862 [2023-12-02 16:16:24,240 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1201 mSDsluCounter, 3138 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:24,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 3551 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:16:24,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13243 states. [2023-12-02 16:16:24,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13243 to 10162. [2023-12-02 16:16:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10162 states, 10160 states have (on average 2.816732283464567) internal successors, (28618), 10161 states have internal predecessors, (28618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10162 states to 10162 states and 28618 transitions. [2023-12-02 16:16:24,413 INFO L78 Accepts]: Start accepts. Automaton has 10162 states and 28618 transitions. Word has length 95 [2023-12-02 16:16:24,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:24,413 INFO L495 AbstractCegarLoop]: Abstraction has 10162 states and 28618 transitions. [2023-12-02 16:16:24,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 10162 states and 28618 transitions. [2023-12-02 16:16:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:16:24,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:24,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:24,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-02 16:16:24,421 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:24,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:24,421 INFO L85 PathProgramCache]: Analyzing trace with hash -132749464, now seen corresponding path program 24 times [2023-12-02 16:16:24,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:24,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515773907] [2023-12-02 16:16:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:24,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:25,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515773907] [2023-12-02 16:16:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515773907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 16:16:25,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728010890] [2023-12-02 16:16:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:25,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 16:16:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:25,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 16:16:25,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-02 16:16:25,101 INFO L87 Difference]: Start difference. First operand 10162 states and 28618 transitions. Second operand has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:28,637 INFO L93 Difference]: Finished difference Result 12444 states and 34270 transitions. [2023-12-02 16:16:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:16:28,637 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-02 16:16:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:28,654 INFO L225 Difference]: With dead ends: 12444 [2023-12-02 16:16:28,654 INFO L226 Difference]: Without dead ends: 12444 [2023-12-02 16:16:28,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=834, Invalid=2588, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:16:28,655 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 1346 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:28,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 3686 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:16:28,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12444 states. [2023-12-02 16:16:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12444 to 9415. [2023-12-02 16:16:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 9413 states have (on average 2.808350154042282) internal successors, (26435), 9414 states have internal predecessors, (26435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 26435 transitions. [2023-12-02 16:16:28,816 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 26435 transitions. Word has length 95 [2023-12-02 16:16:28,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:28,816 INFO L495 AbstractCegarLoop]: Abstraction has 9415 states and 26435 transitions. [2023-12-02 16:16:28,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.0) internal successors, (95), 20 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 26435 transitions. [2023-12-02 16:16:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:28,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:28,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:28,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-02 16:16:28,825 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:28,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash 584019461, now seen corresponding path program 1 times [2023-12-02 16:16:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:28,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456680435] [2023-12-02 16:16:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:29,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:29,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456680435] [2023-12-02 16:16:29,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456680435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:29,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:29,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:29,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253495628] [2023-12-02 16:16:29,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:29,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:29,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:29,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:29,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:29,900 INFO L87 Difference]: Start difference. First operand 9415 states and 26435 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:32,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:32,319 INFO L93 Difference]: Finished difference Result 14076 states and 39014 transitions. [2023-12-02 16:16:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:16:32,320 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:32,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:32,339 INFO L225 Difference]: With dead ends: 14076 [2023-12-02 16:16:32,339 INFO L226 Difference]: Without dead ends: 14076 [2023-12-02 16:16:32,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=650, Invalid=2772, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:16:32,340 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 1358 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:32,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 2086 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 16:16:32,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14076 states. [2023-12-02 16:16:32,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14076 to 9630. [2023-12-02 16:16:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9630 states, 9628 states have (on average 2.8126298296634813) internal successors, (27080), 9629 states have internal predecessors, (27080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9630 states to 9630 states and 27080 transitions. [2023-12-02 16:16:32,516 INFO L78 Accepts]: Start accepts. Automaton has 9630 states and 27080 transitions. Word has length 106 [2023-12-02 16:16:32,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:32,516 INFO L495 AbstractCegarLoop]: Abstraction has 9630 states and 27080 transitions. [2023-12-02 16:16:32,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 9630 states and 27080 transitions. [2023-12-02 16:16:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:32,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:32,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:32,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-02 16:16:32,526 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:32,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash -99151079, now seen corresponding path program 2 times [2023-12-02 16:16:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:32,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140673416] [2023-12-02 16:16:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:32,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:33,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:33,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140673416] [2023-12-02 16:16:33,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140673416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:33,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:33,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:33,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180244965] [2023-12-02 16:16:33,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:33,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:33,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:33,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:33,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:33,637 INFO L87 Difference]: Start difference. First operand 9630 states and 27080 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:37,209 INFO L93 Difference]: Finished difference Result 14040 states and 38927 transitions. [2023-12-02 16:16:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 16:16:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:37,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:37,228 INFO L225 Difference]: With dead ends: 14040 [2023-12-02 16:16:37,228 INFO L226 Difference]: Without dead ends: 14040 [2023-12-02 16:16:37,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=558, Invalid=2522, Unknown=0, NotChecked=0, Total=3080 [2023-12-02 16:16:37,229 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1315 mSDsluCounter, 3723 mSDsCounter, 0 mSdLazyCounter, 3373 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 3458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:37,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 4007 Invalid, 3458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3373 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:16:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14040 states. [2023-12-02 16:16:37,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14040 to 9666. [2023-12-02 16:16:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9666 states, 9664 states have (on average 2.8133278145695364) internal successors, (27188), 9665 states have internal predecessors, (27188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9666 states to 9666 states and 27188 transitions. [2023-12-02 16:16:37,466 INFO L78 Accepts]: Start accepts. Automaton has 9666 states and 27188 transitions. Word has length 106 [2023-12-02 16:16:37,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:37,466 INFO L495 AbstractCegarLoop]: Abstraction has 9666 states and 27188 transitions. [2023-12-02 16:16:37,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:37,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9666 states and 27188 transitions. [2023-12-02 16:16:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:37,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:37,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:37,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-02 16:16:37,475 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:37,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:37,476 INFO L85 PathProgramCache]: Analyzing trace with hash -740502853, now seen corresponding path program 3 times [2023-12-02 16:16:37,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:37,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590964177] [2023-12-02 16:16:37,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:37,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:38,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:38,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590964177] [2023-12-02 16:16:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590964177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:38,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:38,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576473744] [2023-12-02 16:16:38,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:38,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:38,588 INFO L87 Difference]: Start difference. First operand 9666 states and 27188 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:42,534 INFO L93 Difference]: Finished difference Result 14150 states and 39225 transitions. [2023-12-02 16:16:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 16:16:42,534 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:42,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:42,553 INFO L225 Difference]: With dead ends: 14150 [2023-12-02 16:16:42,553 INFO L226 Difference]: Without dead ends: 14150 [2023-12-02 16:16:42,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=628, Invalid=2912, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 16:16:42,554 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 1282 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 3608 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 3686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:42,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 4134 Invalid, 3686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3608 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:16:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14150 states. [2023-12-02 16:16:42,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14150 to 9678. [2023-12-02 16:16:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9678 states, 9676 states have (on average 2.8135593220338984) internal successors, (27224), 9677 states have internal predecessors, (27224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9678 states to 9678 states and 27224 transitions. [2023-12-02 16:16:42,734 INFO L78 Accepts]: Start accepts. Automaton has 9678 states and 27224 transitions. Word has length 106 [2023-12-02 16:16:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:42,734 INFO L495 AbstractCegarLoop]: Abstraction has 9678 states and 27224 transitions. [2023-12-02 16:16:42,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9678 states and 27224 transitions. [2023-12-02 16:16:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:42,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:42,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:42,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-02 16:16:42,744 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:42,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:42,744 INFO L85 PathProgramCache]: Analyzing trace with hash -921559363, now seen corresponding path program 4 times [2023-12-02 16:16:42,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:42,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027301309] [2023-12-02 16:16:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:43,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:43,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027301309] [2023-12-02 16:16:43,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027301309] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:43,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:43,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:43,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887680296] [2023-12-02 16:16:43,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:43,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:43,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:43,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:43,827 INFO L87 Difference]: Start difference. First operand 9678 states and 27224 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:46,593 INFO L93 Difference]: Finished difference Result 14010 states and 38922 transitions. [2023-12-02 16:16:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-02 16:16:46,594 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:46,613 INFO L225 Difference]: With dead ends: 14010 [2023-12-02 16:16:46,613 INFO L226 Difference]: Without dead ends: 14010 [2023-12-02 16:16:46,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=568, Invalid=2738, Unknown=0, NotChecked=0, Total=3306 [2023-12-02 16:16:46,614 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1239 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 3249 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:46,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 3249 Invalid, 2683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 16:16:46,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14010 states. [2023-12-02 16:16:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14010 to 9684. [2023-12-02 16:16:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9684 states, 9682 states have (on average 2.8136748605659987) internal successors, (27242), 9683 states have internal predecessors, (27242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9684 states to 9684 states and 27242 transitions. [2023-12-02 16:16:46,791 INFO L78 Accepts]: Start accepts. Automaton has 9684 states and 27242 transitions. Word has length 106 [2023-12-02 16:16:46,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:46,791 INFO L495 AbstractCegarLoop]: Abstraction has 9684 states and 27242 transitions. [2023-12-02 16:16:46,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 9684 states and 27242 transitions. [2023-12-02 16:16:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:46,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:46,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:46,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-02 16:16:46,801 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:46,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:46,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1609881153, now seen corresponding path program 5 times [2023-12-02 16:16:46,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:46,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780975033] [2023-12-02 16:16:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:47,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780975033] [2023-12-02 16:16:47,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780975033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:47,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:47,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:47,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604852388] [2023-12-02 16:16:47,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:47,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:47,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:47,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:47,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:47,878 INFO L87 Difference]: Start difference. First operand 9684 states and 27242 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:51,224 INFO L93 Difference]: Finished difference Result 14443 states and 39888 transitions. [2023-12-02 16:16:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:16:51,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:51,244 INFO L225 Difference]: With dead ends: 14443 [2023-12-02 16:16:51,244 INFO L226 Difference]: Without dead ends: 14443 [2023-12-02 16:16:51,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=599, Invalid=2823, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:16:51,245 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1279 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 3041 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:51,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 3041 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:16:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14443 states. [2023-12-02 16:16:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14443 to 9685. [2023-12-02 16:16:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9685 states, 9683 states have (on average 2.813694103067231) internal successors, (27245), 9684 states have internal predecessors, (27245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9685 states to 9685 states and 27245 transitions. [2023-12-02 16:16:51,424 INFO L78 Accepts]: Start accepts. Automaton has 9685 states and 27245 transitions. Word has length 106 [2023-12-02 16:16:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:51,424 INFO L495 AbstractCegarLoop]: Abstraction has 9685 states and 27245 transitions. [2023-12-02 16:16:51,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9685 states and 27245 transitions. [2023-12-02 16:16:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:51,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:51,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:51,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-02 16:16:51,434 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:51,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1680855659, now seen corresponding path program 6 times [2023-12-02 16:16:51,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:51,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521179995] [2023-12-02 16:16:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:52,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:52,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521179995] [2023-12-02 16:16:52,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521179995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:52,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:52,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:52,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216143397] [2023-12-02 16:16:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:52,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:52,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:52,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:52,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:52,488 INFO L87 Difference]: Start difference. First operand 9685 states and 27245 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:56,452 INFO L93 Difference]: Finished difference Result 14260 states and 39551 transitions. [2023-12-02 16:16:56,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 16:16:56,453 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:16:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:56,473 INFO L225 Difference]: With dead ends: 14260 [2023-12-02 16:16:56,473 INFO L226 Difference]: Without dead ends: 14260 [2023-12-02 16:16:56,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=732, Invalid=3300, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:16:56,474 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1277 mSDsluCounter, 3521 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:56,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 3811 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:16:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14260 states. [2023-12-02 16:16:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14260 to 9740. [2023-12-02 16:16:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9740 states, 9738 states have (on average 2.8145409735058533) internal successors, (27408), 9739 states have internal predecessors, (27408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9740 states to 9740 states and 27408 transitions. [2023-12-02 16:16:56,646 INFO L78 Accepts]: Start accepts. Automaton has 9740 states and 27408 transitions. Word has length 106 [2023-12-02 16:16:56,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:56,646 INFO L495 AbstractCegarLoop]: Abstraction has 9740 states and 27408 transitions. [2023-12-02 16:16:56,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:16:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9740 states and 27408 transitions. [2023-12-02 16:16:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:16:56,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:56,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:16:56,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-02 16:16:56,656 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:16:56,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash 997685119, now seen corresponding path program 7 times [2023-12-02 16:16:56,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:16:56,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926714284] [2023-12-02 16:16:56,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:16:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:16:57,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:16:57,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926714284] [2023-12-02 16:16:57,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926714284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:16:57,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:16:57,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:16:57,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062455761] [2023-12-02 16:16:57,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:16:57,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:16:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:16:57,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:16:57,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:16:57,722 INFO L87 Difference]: Start difference. First operand 9740 states and 27408 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:01,453 INFO L93 Difference]: Finished difference Result 14248 states and 39542 transitions. [2023-12-02 16:17:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:17:01,454 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:01,473 INFO L225 Difference]: With dead ends: 14248 [2023-12-02 16:17:01,473 INFO L226 Difference]: Without dead ends: 14248 [2023-12-02 16:17:01,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=642, Invalid=3018, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 16:17:01,474 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 1273 mSDsluCounter, 3363 mSDsCounter, 0 mSdLazyCounter, 3178 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 3651 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:01,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 3651 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3178 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:17:01,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14248 states. [2023-12-02 16:17:01,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14248 to 9728. [2023-12-02 16:17:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9728 states, 9726 states have (on average 2.81431215299198) internal successors, (27372), 9727 states have internal predecessors, (27372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9728 states to 9728 states and 27372 transitions. [2023-12-02 16:17:01,686 INFO L78 Accepts]: Start accepts. Automaton has 9728 states and 27372 transitions. Word has length 106 [2023-12-02 16:17:01,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:01,687 INFO L495 AbstractCegarLoop]: Abstraction has 9728 states and 27372 transitions. [2023-12-02 16:17:01,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 9728 states and 27372 transitions. [2023-12-02 16:17:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:01,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:01,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:01,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-02 16:17:01,696 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:01,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:01,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2141171681, now seen corresponding path program 8 times [2023-12-02 16:17:01,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:01,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879223960] [2023-12-02 16:17:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:01,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:02,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:02,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879223960] [2023-12-02 16:17:02,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879223960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:02,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:02,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:02,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556225073] [2023-12-02 16:17:02,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:02,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:02,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:02,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:02,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:02,772 INFO L87 Difference]: Start difference. First operand 9728 states and 27372 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:05,956 INFO L93 Difference]: Finished difference Result 14598 states and 40514 transitions. [2023-12-02 16:17:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 16:17:05,957 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:05,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:05,977 INFO L225 Difference]: With dead ends: 14598 [2023-12-02 16:17:05,977 INFO L226 Difference]: Without dead ends: 14598 [2023-12-02 16:17:05,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=957, Invalid=4155, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 16:17:05,978 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 1308 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:05,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 2784 Invalid, 2536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 16:17:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14598 states. [2023-12-02 16:17:06,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14598 to 9731. [2023-12-02 16:17:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9731 states, 9729 states have (on average 2.8145749820125396) internal successors, (27383), 9730 states have internal predecessors, (27383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9731 states to 9731 states and 27383 transitions. [2023-12-02 16:17:06,146 INFO L78 Accepts]: Start accepts. Automaton has 9731 states and 27383 transitions. Word has length 106 [2023-12-02 16:17:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:06,146 INFO L495 AbstractCegarLoop]: Abstraction has 9731 states and 27383 transitions. [2023-12-02 16:17:06,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 9731 states and 27383 transitions. [2023-12-02 16:17:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:06,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:06,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:06,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-02 16:17:06,155 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:06,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1857352825, now seen corresponding path program 9 times [2023-12-02 16:17:06,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:06,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360318924] [2023-12-02 16:17:06,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:06,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:07,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360318924] [2023-12-02 16:17:07,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360318924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:07,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:07,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:07,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161341950] [2023-12-02 16:17:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:07,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:07,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:07,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:07,227 INFO L87 Difference]: Start difference. First operand 9731 states and 27383 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:10,884 INFO L93 Difference]: Finished difference Result 14499 states and 40249 transitions. [2023-12-02 16:17:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 16:17:10,884 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:10,903 INFO L225 Difference]: With dead ends: 14499 [2023-12-02 16:17:10,903 INFO L226 Difference]: Without dead ends: 14499 [2023-12-02 16:17:10,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=718, Invalid=3442, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 16:17:10,904 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1169 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 3763 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:10,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 3763 Invalid, 3408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3307 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:17:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14499 states. [2023-12-02 16:17:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14499 to 9767. [2023-12-02 16:17:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9767 states, 9765 states have (on average 2.8152585765488993) internal successors, (27491), 9766 states have internal predecessors, (27491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9767 states to 9767 states and 27491 transitions. [2023-12-02 16:17:11,070 INFO L78 Accepts]: Start accepts. Automaton has 9767 states and 27491 transitions. Word has length 106 [2023-12-02 16:17:11,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:11,070 INFO L495 AbstractCegarLoop]: Abstraction has 9767 states and 27491 transitions. [2023-12-02 16:17:11,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9767 states and 27491 transitions. [2023-12-02 16:17:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:11,079 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:11,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:11,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-02 16:17:11,080 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:11,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:11,080 INFO L85 PathProgramCache]: Analyzing trace with hash 500924927, now seen corresponding path program 10 times [2023-12-02 16:17:11,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:11,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089890499] [2023-12-02 16:17:11,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:11,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:12,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:12,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089890499] [2023-12-02 16:17:12,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089890499] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:12,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820821746] [2023-12-02 16:17:12,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:12,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:12,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:12,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:12,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:12,154 INFO L87 Difference]: Start difference. First operand 9767 states and 27491 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:16,065 INFO L93 Difference]: Finished difference Result 14444 states and 40080 transitions. [2023-12-02 16:17:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 16:17:16,065 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:16,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:16,084 INFO L225 Difference]: With dead ends: 14444 [2023-12-02 16:17:16,084 INFO L226 Difference]: Without dead ends: 14444 [2023-12-02 16:17:16,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=678, Invalid=3228, Unknown=0, NotChecked=0, Total=3906 [2023-12-02 16:17:16,085 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1271 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 3499 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 3499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:16,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 4015 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 3499 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:17:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14444 states. [2023-12-02 16:17:16,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14444 to 9763. [2023-12-02 16:17:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9763 states, 9761 states have (on average 2.81518287060752) internal successors, (27479), 9762 states have internal predecessors, (27479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9763 states to 9763 states and 27479 transitions. [2023-12-02 16:17:16,252 INFO L78 Accepts]: Start accepts. Automaton has 9763 states and 27479 transitions. Word has length 106 [2023-12-02 16:17:16,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:16,252 INFO L495 AbstractCegarLoop]: Abstraction has 9763 states and 27479 transitions. [2023-12-02 16:17:16,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 9763 states and 27479 transitions. [2023-12-02 16:17:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:16,261 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:16,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:16,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-02 16:17:16,261 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:16,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:16,261 INFO L85 PathProgramCache]: Analyzing trace with hash -367776889, now seen corresponding path program 11 times [2023-12-02 16:17:16,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:16,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684829696] [2023-12-02 16:17:16,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:16,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:17,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:17,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684829696] [2023-12-02 16:17:17,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684829696] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:17,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:17,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:17,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106463894] [2023-12-02 16:17:17,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:17,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:17,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:17,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:17,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:17,297 INFO L87 Difference]: Start difference. First operand 9763 states and 27479 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:21,412 INFO L93 Difference]: Finished difference Result 14649 states and 40663 transitions. [2023-12-02 16:17:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 16:17:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:21,432 INFO L225 Difference]: With dead ends: 14649 [2023-12-02 16:17:21,432 INFO L226 Difference]: Without dead ends: 14649 [2023-12-02 16:17:21,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=863, Invalid=4393, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 16:17:21,433 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1299 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 3685 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 4079 SdHoareTripleChecker+Invalid, 3799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:21,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 4079 Invalid, 3799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3685 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:17:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14649 states. [2023-12-02 16:17:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14649 to 9775. [2023-12-02 16:17:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9775 states, 9773 states have (on average 2.8154098025171392) internal successors, (27515), 9774 states have internal predecessors, (27515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9775 states to 9775 states and 27515 transitions. [2023-12-02 16:17:21,613 INFO L78 Accepts]: Start accepts. Automaton has 9775 states and 27515 transitions. Word has length 106 [2023-12-02 16:17:21,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:21,613 INFO L495 AbstractCegarLoop]: Abstraction has 9775 states and 27515 transitions. [2023-12-02 16:17:21,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 9775 states and 27515 transitions. [2023-12-02 16:17:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:21,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:21,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:21,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-02 16:17:21,623 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:21,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash 564142559, now seen corresponding path program 12 times [2023-12-02 16:17:21,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:21,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412170181] [2023-12-02 16:17:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:21,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:22,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412170181] [2023-12-02 16:17:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412170181] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:22,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:22,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:22,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106580053] [2023-12-02 16:17:22,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:22,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:22,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:22,713 INFO L87 Difference]: Start difference. First operand 9775 states and 27515 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:25,247 INFO L93 Difference]: Finished difference Result 14247 states and 39621 transitions. [2023-12-02 16:17:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:17:25,248 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:25,265 INFO L225 Difference]: With dead ends: 14247 [2023-12-02 16:17:25,265 INFO L226 Difference]: Without dead ends: 14247 [2023-12-02 16:17:25,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=578, Invalid=2844, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:17:25,266 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1163 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 2045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:25,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 2328 Invalid, 2045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:17:25,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14247 states. [2023-12-02 16:17:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14247 to 9773. [2023-12-02 16:17:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9773 states, 9771 states have (on average 2.81537201924061) internal successors, (27509), 9772 states have internal predecessors, (27509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9773 states to 9773 states and 27509 transitions. [2023-12-02 16:17:25,421 INFO L78 Accepts]: Start accepts. Automaton has 9773 states and 27509 transitions. Word has length 106 [2023-12-02 16:17:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:25,422 INFO L495 AbstractCegarLoop]: Abstraction has 9773 states and 27509 transitions. [2023-12-02 16:17:25,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 9773 states and 27509 transitions. [2023-12-02 16:17:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:25,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:25,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:25,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-02 16:17:25,431 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:25,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:25,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1685561403, now seen corresponding path program 13 times [2023-12-02 16:17:25,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:25,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290168767] [2023-12-02 16:17:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:25,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:26,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:26,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290168767] [2023-12-02 16:17:26,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290168767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:26,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:26,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261339775] [2023-12-02 16:17:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:26,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:26,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:26,458 INFO L87 Difference]: Start difference. First operand 9773 states and 27509 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:30,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:30,286 INFO L93 Difference]: Finished difference Result 14471 states and 40250 transitions. [2023-12-02 16:17:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:17:30,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:30,305 INFO L225 Difference]: With dead ends: 14471 [2023-12-02 16:17:30,305 INFO L226 Difference]: Without dead ends: 14471 [2023-12-02 16:17:30,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=741, Invalid=3951, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 16:17:30,306 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1342 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 2917 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:30,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 3323 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2917 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:17:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14471 states. [2023-12-02 16:17:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14471 to 9779. [2023-12-02 16:17:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9779 states, 9777 states have (on average 2.8154853226961234) internal successors, (27527), 9778 states have internal predecessors, (27527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 27527 transitions. [2023-12-02 16:17:30,470 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 27527 transitions. Word has length 106 [2023-12-02 16:17:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:30,470 INFO L495 AbstractCegarLoop]: Abstraction has 9779 states and 27527 transitions. [2023-12-02 16:17:30,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 27527 transitions. [2023-12-02 16:17:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:30,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:30,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:30,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-02 16:17:30,480 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:30,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1548700413, now seen corresponding path program 14 times [2023-12-02 16:17:30,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:30,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173459712] [2023-12-02 16:17:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:31,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:31,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173459712] [2023-12-02 16:17:31,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173459712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:31,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:31,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:31,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941960220] [2023-12-02 16:17:31,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:31,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:31,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:31,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:31,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:31,498 INFO L87 Difference]: Start difference. First operand 9779 states and 27527 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:36,152 INFO L93 Difference]: Finished difference Result 15086 states and 41727 transitions. [2023-12-02 16:17:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 16:17:36,153 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:36,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:36,172 INFO L225 Difference]: With dead ends: 15086 [2023-12-02 16:17:36,172 INFO L226 Difference]: Without dead ends: 15086 [2023-12-02 16:17:36,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=816, Invalid=4154, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 16:17:36,173 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1158 mSDsluCounter, 4321 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 4204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:36,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 4663 Invalid, 4204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 4074 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:17:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15086 states. [2023-12-02 16:17:36,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15086 to 9769. [2023-12-02 16:17:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 9767 states have (on average 2.8152964062659978) internal successors, (27497), 9768 states have internal predecessors, (27497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 27497 transitions. [2023-12-02 16:17:36,345 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 27497 transitions. Word has length 106 [2023-12-02 16:17:36,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:36,345 INFO L495 AbstractCegarLoop]: Abstraction has 9769 states and 27497 transitions. [2023-12-02 16:17:36,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:36,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 27497 transitions. [2023-12-02 16:17:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:36,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:36,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:36,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-02 16:17:36,354 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:36,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:36,354 INFO L85 PathProgramCache]: Analyzing trace with hash 895741617, now seen corresponding path program 15 times [2023-12-02 16:17:36,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:36,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798311773] [2023-12-02 16:17:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:37,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:37,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798311773] [2023-12-02 16:17:37,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798311773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:37,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:37,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:37,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658602436] [2023-12-02 16:17:37,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:37,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:37,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:37,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:37,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:37,329 INFO L87 Difference]: Start difference. First operand 9769 states and 27497 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:41,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:41,429 INFO L93 Difference]: Finished difference Result 14495 states and 40249 transitions. [2023-12-02 16:17:41,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:17:41,430 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:41,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:41,449 INFO L225 Difference]: With dead ends: 14495 [2023-12-02 16:17:41,449 INFO L226 Difference]: Without dead ends: 14495 [2023-12-02 16:17:41,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=851, Invalid=3841, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 16:17:41,450 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1289 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 4061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:41,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 4438 Invalid, 4061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:17:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14495 states. [2023-12-02 16:17:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14495 to 9852. [2023-12-02 16:17:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9852 states, 9850 states have (on average 2.816446700507614) internal successors, (27742), 9851 states have internal predecessors, (27742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9852 states to 9852 states and 27742 transitions. [2023-12-02 16:17:41,622 INFO L78 Accepts]: Start accepts. Automaton has 9852 states and 27742 transitions. Word has length 106 [2023-12-02 16:17:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:41,622 INFO L495 AbstractCegarLoop]: Abstraction has 9852 states and 27742 transitions. [2023-12-02 16:17:41,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 9852 states and 27742 transitions. [2023-12-02 16:17:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:41,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:41,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:41,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-02 16:17:41,632 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:41,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:41,632 INFO L85 PathProgramCache]: Analyzing trace with hash -803724277, now seen corresponding path program 16 times [2023-12-02 16:17:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:41,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71164861] [2023-12-02 16:17:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:41,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:42,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:42,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71164861] [2023-12-02 16:17:42,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71164861] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:42,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:42,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:42,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810617925] [2023-12-02 16:17:42,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:42,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:42,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:42,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:42,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:42,640 INFO L87 Difference]: Start difference. First operand 9852 states and 27742 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:47,098 INFO L93 Difference]: Finished difference Result 14772 states and 41023 transitions. [2023-12-02 16:17:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 16:17:47,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:47,118 INFO L225 Difference]: With dead ends: 14772 [2023-12-02 16:17:47,118 INFO L226 Difference]: Without dead ends: 14772 [2023-12-02 16:17:47,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1496 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1064, Invalid=4788, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 16:17:47,119 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1113 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 3806 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:47,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 4154 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 3806 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:17:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14772 states. [2023-12-02 16:17:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14772 to 9851. [2023-12-02 16:17:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9851 states, 9849 states have (on average 2.816631130063966) internal successors, (27741), 9850 states have internal predecessors, (27741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9851 states to 9851 states and 27741 transitions. [2023-12-02 16:17:47,314 INFO L78 Accepts]: Start accepts. Automaton has 9851 states and 27741 transitions. Word has length 106 [2023-12-02 16:17:47,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:47,314 INFO L495 AbstractCegarLoop]: Abstraction has 9851 states and 27741 transitions. [2023-12-02 16:17:47,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9851 states and 27741 transitions. [2023-12-02 16:17:47,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:47,323 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:47,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:47,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-02 16:17:47,324 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:47,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:47,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2131109115, now seen corresponding path program 17 times [2023-12-02 16:17:47,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:47,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8407691] [2023-12-02 16:17:47,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:47,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:48,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:48,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8407691] [2023-12-02 16:17:48,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8407691] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:48,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:48,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:48,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439663997] [2023-12-02 16:17:48,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:48,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:48,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:48,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:48,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:48,392 INFO L87 Difference]: Start difference. First operand 9851 states and 27741 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:55,214 INFO L93 Difference]: Finished difference Result 20621 states and 57090 transitions. [2023-12-02 16:17:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 16:17:55,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:55,241 INFO L225 Difference]: With dead ends: 20621 [2023-12-02 16:17:55,241 INFO L226 Difference]: Without dead ends: 20621 [2023-12-02 16:17:55,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3785 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2593, Invalid=11213, Unknown=0, NotChecked=0, Total=13806 [2023-12-02 16:17:55,243 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 2177 mSDsluCounter, 4367 mSDsCounter, 0 mSdLazyCounter, 4324 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 4768 SdHoareTripleChecker+Invalid, 4522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 4324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:55,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 4768 Invalid, 4522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 4324 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:17:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2023-12-02 16:17:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 10026. [2023-12-02 16:17:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10026 states, 10024 states have (on average 2.820031923383879) internal successors, (28268), 10025 states have internal predecessors, (28268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 28268 transitions. [2023-12-02 16:17:55,461 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 28268 transitions. Word has length 106 [2023-12-02 16:17:55,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:55,461 INFO L495 AbstractCegarLoop]: Abstraction has 10026 states and 28268 transitions. [2023-12-02 16:17:55,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 28268 transitions. [2023-12-02 16:17:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:55,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:55,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:55,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-02 16:17:55,471 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:55,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:55,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2107846169, now seen corresponding path program 18 times [2023-12-02 16:17:55,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:55,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438605411] [2023-12-02 16:17:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:17:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:17:56,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:17:56,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438605411] [2023-12-02 16:17:56,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438605411] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:17:56,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:17:56,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:17:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777452062] [2023-12-02 16:17:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:17:56,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:17:56,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:17:56,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:17:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:17:56,502 INFO L87 Difference]: Start difference. First operand 10026 states and 28268 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:59,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:17:59,612 INFO L93 Difference]: Finished difference Result 14621 states and 40657 transitions. [2023-12-02 16:17:59,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 16:17:59,612 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:17:59,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:17:59,631 INFO L225 Difference]: With dead ends: 14621 [2023-12-02 16:17:59,632 INFO L226 Difference]: Without dead ends: 14621 [2023-12-02 16:17:59,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=646, Invalid=3136, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:17:59,632 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1180 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 2911 SdHoareTripleChecker+Invalid, 2741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:17:59,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 2911 Invalid, 2741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 16:17:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14621 states. [2023-12-02 16:17:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14621 to 10056. [2023-12-02 16:17:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 10054 states have (on average 2.8205689277899344) internal successors, (28358), 10055 states have internal predecessors, (28358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 28358 transitions. [2023-12-02 16:17:59,804 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 28358 transitions. Word has length 106 [2023-12-02 16:17:59,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:17:59,804 INFO L495 AbstractCegarLoop]: Abstraction has 10056 states and 28358 transitions. [2023-12-02 16:17:59,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:17:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 28358 transitions. [2023-12-02 16:17:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:17:59,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:17:59,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:17:59,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-02 16:17:59,814 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:17:59,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:17:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash 964011007, now seen corresponding path program 19 times [2023-12-02 16:17:59,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:17:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300645523] [2023-12-02 16:17:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:17:59,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:17:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:00,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:00,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300645523] [2023-12-02 16:18:00,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300645523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:00,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:00,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870438505] [2023-12-02 16:18:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:00,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:00,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:00,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:00,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:00,885 INFO L87 Difference]: Start difference. First operand 10056 states and 28358 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:04,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:04,571 INFO L93 Difference]: Finished difference Result 14932 states and 41539 transitions. [2023-12-02 16:18:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:18:04,572 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:04,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:04,593 INFO L225 Difference]: With dead ends: 14932 [2023-12-02 16:18:04,593 INFO L226 Difference]: Without dead ends: 14932 [2023-12-02 16:18:04,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=722, Invalid=3568, Unknown=0, NotChecked=0, Total=4290 [2023-12-02 16:18:04,594 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1130 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 3801 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:04,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 3801 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3419 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:18:04,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14932 states. [2023-12-02 16:18:04,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14932 to 10044. [2023-12-02 16:18:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10042 states have (on average 2.820354511053575) internal successors, (28322), 10043 states have internal predecessors, (28322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 28322 transitions. [2023-12-02 16:18:04,768 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 28322 transitions. Word has length 106 [2023-12-02 16:18:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:04,769 INFO L495 AbstractCegarLoop]: Abstraction has 10044 states and 28322 transitions. [2023-12-02 16:18:04,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 28322 transitions. [2023-12-02 16:18:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:04,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:04,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:04,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-02 16:18:04,778 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:04,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1528001767, now seen corresponding path program 20 times [2023-12-02 16:18:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:04,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485714159] [2023-12-02 16:18:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:05,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:05,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485714159] [2023-12-02 16:18:05,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485714159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:05,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:05,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:05,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914396242] [2023-12-02 16:18:05,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:05,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:05,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:05,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:05,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:05,776 INFO L87 Difference]: Start difference. First operand 10044 states and 28322 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:12,302 INFO L93 Difference]: Finished difference Result 20489 states and 56737 transitions. [2023-12-02 16:18:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-12-02 16:18:12,303 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:12,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:12,329 INFO L225 Difference]: With dead ends: 20489 [2023-12-02 16:18:12,330 INFO L226 Difference]: Without dead ends: 20489 [2023-12-02 16:18:12,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3163 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2219, Invalid=9553, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 16:18:12,331 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 2110 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 3670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:12,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 3867 Invalid, 3670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 3471 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:18:12,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20489 states. [2023-12-02 16:18:12,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20489 to 10038. [2023-12-02 16:18:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10038 states, 10036 states have (on average 2.820247110402551) internal successors, (28304), 10037 states have internal predecessors, (28304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10038 states to 10038 states and 28304 transitions. [2023-12-02 16:18:12,539 INFO L78 Accepts]: Start accepts. Automaton has 10038 states and 28304 transitions. Word has length 106 [2023-12-02 16:18:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:12,539 INFO L495 AbstractCegarLoop]: Abstraction has 10038 states and 28304 transitions. [2023-12-02 16:18:12,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 10038 states and 28304 transitions. [2023-12-02 16:18:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:12,549 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:12,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:12,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-02 16:18:12,549 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:12,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash -111976389, now seen corresponding path program 21 times [2023-12-02 16:18:12,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627755976] [2023-12-02 16:18:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:13,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:13,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627755976] [2023-12-02 16:18:13,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627755976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:13,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:13,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:13,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267926955] [2023-12-02 16:18:13,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:13,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:13,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:13,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:13,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:13,765 INFO L87 Difference]: Start difference. First operand 10038 states and 28304 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:17,697 INFO L93 Difference]: Finished difference Result 14804 states and 41162 transitions. [2023-12-02 16:18:17,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 16:18:17,697 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:17,717 INFO L225 Difference]: With dead ends: 14804 [2023-12-02 16:18:17,717 INFO L226 Difference]: Without dead ends: 14804 [2023-12-02 16:18:17,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=686, Invalid=3346, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:18:17,718 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1086 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 3511 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 3584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:17,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 3794 Invalid, 3584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3511 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:18:17,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14804 states. [2023-12-02 16:18:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14804 to 10048. [2023-12-02 16:18:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10048 states, 10046 states have (on average 2.8204260402150108) internal successors, (28334), 10047 states have internal predecessors, (28334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 10048 states and 28334 transitions. [2023-12-02 16:18:17,892 INFO L78 Accepts]: Start accepts. Automaton has 10048 states and 28334 transitions. Word has length 106 [2023-12-02 16:18:17,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:17,893 INFO L495 AbstractCegarLoop]: Abstraction has 10048 states and 28334 transitions. [2023-12-02 16:18:17,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10048 states and 28334 transitions. [2023-12-02 16:18:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:17,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:17,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:17,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-02 16:18:17,902 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:17,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:17,903 INFO L85 PathProgramCache]: Analyzing trace with hash -980678205, now seen corresponding path program 22 times [2023-12-02 16:18:17,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:17,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470804179] [2023-12-02 16:18:17,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:18,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470804179] [2023-12-02 16:18:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470804179] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:18,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:18,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:18,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593949114] [2023-12-02 16:18:18,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:18,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:18,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:18,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:18,918 INFO L87 Difference]: Start difference. First operand 10048 states and 28334 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:23,262 INFO L93 Difference]: Finished difference Result 15214 states and 42332 transitions. [2023-12-02 16:18:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:18:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:23,283 INFO L225 Difference]: With dead ends: 15214 [2023-12-02 16:18:23,283 INFO L226 Difference]: Without dead ends: 15214 [2023-12-02 16:18:23,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=867, Invalid=4535, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:18:23,284 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1112 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 4181 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:23,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 4181 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:18:23,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15214 states. [2023-12-02 16:18:23,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15214 to 10044. [2023-12-02 16:18:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10042 states have (on average 2.820354511053575) internal successors, (28322), 10043 states have internal predecessors, (28322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 28322 transitions. [2023-12-02 16:18:23,458 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 28322 transitions. Word has length 106 [2023-12-02 16:18:23,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:23,459 INFO L495 AbstractCegarLoop]: Abstraction has 10044 states and 28322 transitions. [2023-12-02 16:18:23,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 28322 transitions. [2023-12-02 16:18:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:23,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:23,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:23,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-02 16:18:23,468 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:23,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash 608234043, now seen corresponding path program 23 times [2023-12-02 16:18:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231278243] [2023-12-02 16:18:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:23,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:24,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:24,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231278243] [2023-12-02 16:18:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231278243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149880331] [2023-12-02 16:18:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:24,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:24,430 INFO L87 Difference]: Start difference. First operand 10044 states and 28322 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:31,672 INFO L93 Difference]: Finished difference Result 20651 states and 57183 transitions. [2023-12-02 16:18:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-12-02 16:18:31,673 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:31,699 INFO L225 Difference]: With dead ends: 20651 [2023-12-02 16:18:31,699 INFO L226 Difference]: Without dead ends: 20651 [2023-12-02 16:18:31,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4134 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2572, Invalid=11948, Unknown=0, NotChecked=0, Total=14520 [2023-12-02 16:18:31,700 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2092 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4013 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 4232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 4013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:31,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 4337 Invalid, 4232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 4013 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 16:18:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20651 states. [2023-12-02 16:18:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20651 to 10042. [2023-12-02 16:18:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10042 states, 10040 states have (on average 2.8203187250996016) internal successors, (28316), 10041 states have internal predecessors, (28316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10042 states to 10042 states and 28316 transitions. [2023-12-02 16:18:31,902 INFO L78 Accepts]: Start accepts. Automaton has 10042 states and 28316 transitions. Word has length 106 [2023-12-02 16:18:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:31,903 INFO L495 AbstractCegarLoop]: Abstraction has 10042 states and 28316 transitions. [2023-12-02 16:18:31,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 10042 states and 28316 transitions. [2023-12-02 16:18:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:31,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:31,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:31,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-02 16:18:31,912 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:31,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:31,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1559463293, now seen corresponding path program 24 times [2023-12-02 16:18:31,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:31,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696325261] [2023-12-02 16:18:31,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:31,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:32,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:32,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696325261] [2023-12-02 16:18:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696325261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:32,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344841009] [2023-12-02 16:18:32,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:32,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:32,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:32,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:32,991 INFO L87 Difference]: Start difference. First operand 10042 states and 28316 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:35,841 INFO L93 Difference]: Finished difference Result 14555 states and 40554 transitions. [2023-12-02 16:18:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:18:35,842 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:35,861 INFO L225 Difference]: With dead ends: 14555 [2023-12-02 16:18:35,861 INFO L226 Difference]: Without dead ends: 14555 [2023-12-02 16:18:35,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=569, Invalid=2853, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:18:35,862 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 1058 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:35,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 2942 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2537 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:18:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14555 states. [2023-12-02 16:18:36,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14555 to 10046. [2023-12-02 16:18:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10046 states, 10044 states have (on average 2.820390282755874) internal successors, (28328), 10045 states have internal predecessors, (28328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10046 states to 10046 states and 28328 transitions. [2023-12-02 16:18:36,032 INFO L78 Accepts]: Start accepts. Automaton has 10046 states and 28328 transitions. Word has length 106 [2023-12-02 16:18:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:36,032 INFO L495 AbstractCegarLoop]: Abstraction has 10046 states and 28328 transitions. [2023-12-02 16:18:36,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 10046 states and 28328 transitions. [2023-12-02 16:18:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:36,042 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:36,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:36,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-02 16:18:36,042 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:36,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash -690240669, now seen corresponding path program 25 times [2023-12-02 16:18:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:36,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530779692] [2023-12-02 16:18:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:37,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:37,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530779692] [2023-12-02 16:18:37,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530779692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:37,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:37,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:37,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6192907] [2023-12-02 16:18:37,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:37,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:37,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:37,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:37,057 INFO L87 Difference]: Start difference. First operand 10046 states and 28328 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:40,977 INFO L93 Difference]: Finished difference Result 14889 states and 41504 transitions. [2023-12-02 16:18:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:18:40,978 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:40,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:40,996 INFO L225 Difference]: With dead ends: 14889 [2023-12-02 16:18:40,996 INFO L226 Difference]: Without dead ends: 14889 [2023-12-02 16:18:40,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=725, Invalid=3967, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 16:18:40,997 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 1106 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 3631 SdHoareTripleChecker+Invalid, 3399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:40,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 3631 Invalid, 3399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:18:41,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14889 states. [2023-12-02 16:18:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14889 to 10044. [2023-12-02 16:18:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10042 states have (on average 2.820354511053575) internal successors, (28322), 10043 states have internal predecessors, (28322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 28322 transitions. [2023-12-02 16:18:41,166 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 28322 transitions. Word has length 106 [2023-12-02 16:18:41,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:41,166 INFO L495 AbstractCegarLoop]: Abstraction has 10044 states and 28322 transitions. [2023-12-02 16:18:41,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 28322 transitions. [2023-12-02 16:18:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:41,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:41,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:41,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-02 16:18:41,175 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:41,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:41,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1588380227, now seen corresponding path program 26 times [2023-12-02 16:18:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:41,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639470819] [2023-12-02 16:18:41,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:42,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:42,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639470819] [2023-12-02 16:18:42,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639470819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:42,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:42,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:42,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185713171] [2023-12-02 16:18:42,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:42,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:42,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:42,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:42,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:42,214 INFO L87 Difference]: Start difference. First operand 10044 states and 28322 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:48,885 INFO L93 Difference]: Finished difference Result 20422 states and 56620 transitions. [2023-12-02 16:18:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 16:18:48,886 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:48,912 INFO L225 Difference]: With dead ends: 20422 [2023-12-02 16:18:48,912 INFO L226 Difference]: Without dead ends: 20422 [2023-12-02 16:18:48,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2787 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1830, Invalid=8676, Unknown=0, NotChecked=0, Total=10506 [2023-12-02 16:18:48,914 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2080 mSDsluCounter, 4064 mSDsCounter, 0 mSdLazyCounter, 4091 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 4261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 4091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:48,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 4501 Invalid, 4261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 4091 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:18:48,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20422 states. [2023-12-02 16:18:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20422 to 10044. [2023-12-02 16:18:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10044 states, 10042 states have (on average 2.820354511053575) internal successors, (28322), 10043 states have internal predecessors, (28322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 10044 states and 28322 transitions. [2023-12-02 16:18:49,125 INFO L78 Accepts]: Start accepts. Automaton has 10044 states and 28322 transitions. Word has length 106 [2023-12-02 16:18:49,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:49,125 INFO L495 AbstractCegarLoop]: Abstraction has 10044 states and 28322 transitions. [2023-12-02 16:18:49,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 10044 states and 28322 transitions. [2023-12-02 16:18:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:49,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:49,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:49,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-02 16:18:49,135 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:49,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:49,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1640656833, now seen corresponding path program 27 times [2023-12-02 16:18:49,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:49,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188736818] [2023-12-02 16:18:49,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:49,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:50,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:50,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188736818] [2023-12-02 16:18:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188736818] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:50,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:50,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991618624] [2023-12-02 16:18:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:50,141 INFO L87 Difference]: Start difference. First operand 10044 states and 28322 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:58,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:18:58,055 INFO L93 Difference]: Finished difference Result 21173 states and 58480 transitions. [2023-12-02 16:18:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 16:18:58,055 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:18:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:18:58,083 INFO L225 Difference]: With dead ends: 21173 [2023-12-02 16:18:58,083 INFO L226 Difference]: Without dead ends: 21173 [2023-12-02 16:18:58,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2777 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1889, Invalid=8617, Unknown=0, NotChecked=0, Total=10506 [2023-12-02 16:18:58,084 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 2005 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 5612 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 5767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 5612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:18:58,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 6275 Invalid, 5767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 5612 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 16:18:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21173 states. [2023-12-02 16:18:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21173 to 9963. [2023-12-02 16:18:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9963 states, 9961 states have (on average 2.8188936853729545) internal successors, (28079), 9962 states have internal predecessors, (28079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9963 states to 9963 states and 28079 transitions. [2023-12-02 16:18:58,295 INFO L78 Accepts]: Start accepts. Automaton has 9963 states and 28079 transitions. Word has length 106 [2023-12-02 16:18:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:18:58,295 INFO L495 AbstractCegarLoop]: Abstraction has 9963 states and 28079 transitions. [2023-12-02 16:18:58,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:18:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 9963 states and 28079 transitions. [2023-12-02 16:18:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:18:58,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:18:58,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:18:58,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-02 16:18:58,305 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:18:58,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:18:58,305 INFO L85 PathProgramCache]: Analyzing trace with hash 197250361, now seen corresponding path program 28 times [2023-12-02 16:18:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:18:58,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965932766] [2023-12-02 16:18:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:18:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:18:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:18:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:18:59,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:18:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965932766] [2023-12-02 16:18:59,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965932766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:18:59,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:18:59,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:18:59,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360340494] [2023-12-02 16:18:59,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:18:59,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:18:59,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:18:59,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:18:59,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:18:59,265 INFO L87 Difference]: Start difference. First operand 9963 states and 28079 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:03,199 INFO L93 Difference]: Finished difference Result 14893 states and 41437 transitions. [2023-12-02 16:19:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:19:03,199 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:03,219 INFO L225 Difference]: With dead ends: 14893 [2023-12-02 16:19:03,219 INFO L226 Difference]: Without dead ends: 14893 [2023-12-02 16:19:03,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1366 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=928, Invalid=4474, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:19:03,220 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1228 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:03,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 3524 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3215 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:19:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14893 states. [2023-12-02 16:19:03,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14893 to 10122. [2023-12-02 16:19:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10122 states, 10120 states have (on average 2.8211462450592886) internal successors, (28550), 10121 states have internal predecessors, (28550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10122 states to 10122 states and 28550 transitions. [2023-12-02 16:19:03,396 INFO L78 Accepts]: Start accepts. Automaton has 10122 states and 28550 transitions. Word has length 106 [2023-12-02 16:19:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:03,396 INFO L495 AbstractCegarLoop]: Abstraction has 10122 states and 28550 transitions. [2023-12-02 16:19:03,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 10122 states and 28550 transitions. [2023-12-02 16:19:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:03,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:03,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:03,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-02 16:19:03,406 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:03,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:03,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1502215533, now seen corresponding path program 29 times [2023-12-02 16:19:03,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:03,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117152219] [2023-12-02 16:19:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:03,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:04,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:04,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117152219] [2023-12-02 16:19:04,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117152219] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538312850] [2023-12-02 16:19:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:04,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:04,429 INFO L87 Difference]: Start difference. First operand 10122 states and 28550 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:09,187 INFO L93 Difference]: Finished difference Result 15358 states and 42773 transitions. [2023-12-02 16:19:09,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 16:19:09,187 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:09,207 INFO L225 Difference]: With dead ends: 15358 [2023-12-02 16:19:09,208 INFO L226 Difference]: Without dead ends: 15358 [2023-12-02 16:19:09,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1783 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1146, Invalid=5496, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 16:19:09,208 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1156 mSDsluCounter, 3592 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 3901 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:09,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 3901 Invalid, 3719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 16:19:09,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15358 states. [2023-12-02 16:19:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15358 to 10121. [2023-12-02 16:19:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10121 states, 10119 states have (on average 2.8213262180057317) internal successors, (28549), 10120 states have internal predecessors, (28549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 28549 transitions. [2023-12-02 16:19:09,385 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 28549 transitions. Word has length 106 [2023-12-02 16:19:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:09,386 INFO L495 AbstractCegarLoop]: Abstraction has 10121 states and 28549 transitions. [2023-12-02 16:19:09,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 28549 transitions. [2023-12-02 16:19:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:09,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:09,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:09,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-02 16:19:09,395 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:09,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1465366925, now seen corresponding path program 30 times [2023-12-02 16:19:09,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:09,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076258406] [2023-12-02 16:19:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:09,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:10,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:10,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076258406] [2023-12-02 16:19:10,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076258406] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:10,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:10,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:10,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704480076] [2023-12-02 16:19:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:10,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:10,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:10,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:10,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:10,370 INFO L87 Difference]: Start difference. First operand 10121 states and 28549 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:17,841 INFO L93 Difference]: Finished difference Result 20777 states and 57545 transitions. [2023-12-02 16:19:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-12-02 16:19:17,842 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:17,870 INFO L225 Difference]: With dead ends: 20777 [2023-12-02 16:19:17,870 INFO L226 Difference]: Without dead ends: 20777 [2023-12-02 16:19:17,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4706 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2879, Invalid=13377, Unknown=0, NotChecked=0, Total=16256 [2023-12-02 16:19:17,871 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 2019 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 4264 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 4264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:17,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 4512 Invalid, 4473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 4264 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:19:17,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20777 states. [2023-12-02 16:19:18,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20777 to 10072. [2023-12-02 16:19:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10072 states, 10070 states have (on average 2.8206554121151934) internal successors, (28404), 10071 states have internal predecessors, (28404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10072 states to 10072 states and 28404 transitions. [2023-12-02 16:19:18,085 INFO L78 Accepts]: Start accepts. Automaton has 10072 states and 28404 transitions. Word has length 106 [2023-12-02 16:19:18,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:18,085 INFO L495 AbstractCegarLoop]: Abstraction has 10072 states and 28404 transitions. [2023-12-02 16:19:18,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 10072 states and 28404 transitions. [2023-12-02 16:19:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:18,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:18,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:18,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-02 16:19:18,095 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:18,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:18,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1409354913, now seen corresponding path program 31 times [2023-12-02 16:19:18,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:18,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568408266] [2023-12-02 16:19:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:18,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:19,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:19,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568408266] [2023-12-02 16:19:19,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568408266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:19,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:19,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:19,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641802992] [2023-12-02 16:19:19,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:19,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:19,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:19,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:19,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:19,119 INFO L87 Difference]: Start difference. First operand 10072 states and 28404 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:22,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:22,342 INFO L93 Difference]: Finished difference Result 14894 states and 41467 transitions. [2023-12-02 16:19:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 16:19:22,342 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:22,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:22,362 INFO L225 Difference]: With dead ends: 14894 [2023-12-02 16:19:22,362 INFO L226 Difference]: Without dead ends: 14894 [2023-12-02 16:19:22,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=651, Invalid=3255, Unknown=0, NotChecked=0, Total=3906 [2023-12-02 16:19:22,363 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1161 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 2986 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:22,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 2986 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 16:19:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14894 states. [2023-12-02 16:19:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14894 to 10162. [2023-12-02 16:19:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10162 states, 10160 states have (on average 2.822244094488189) internal successors, (28674), 10161 states have internal predecessors, (28674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:22,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10162 states to 10162 states and 28674 transitions. [2023-12-02 16:19:22,538 INFO L78 Accepts]: Start accepts. Automaton has 10162 states and 28674 transitions. Word has length 106 [2023-12-02 16:19:22,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:22,539 INFO L495 AbstractCegarLoop]: Abstraction has 10162 states and 28674 transitions. [2023-12-02 16:19:22,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 10162 states and 28674 transitions. [2023-12-02 16:19:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:22,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:22,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:22,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-02 16:19:22,548 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:22,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash 265519751, now seen corresponding path program 32 times [2023-12-02 16:19:22,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:22,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828465806] [2023-12-02 16:19:22,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:23,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:23,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828465806] [2023-12-02 16:19:23,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828465806] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:23,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:23,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:23,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544009516] [2023-12-02 16:19:23,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:23,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:23,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:23,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:23,520 INFO L87 Difference]: Start difference. First operand 10162 states and 28674 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:26,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:26,861 INFO L93 Difference]: Finished difference Result 15205 states and 42349 transitions. [2023-12-02 16:19:26,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 16:19:26,861 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:26,881 INFO L225 Difference]: With dead ends: 15205 [2023-12-02 16:19:26,881 INFO L226 Difference]: Without dead ends: 15205 [2023-12-02 16:19:26,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=727, Invalid=3695, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 16:19:26,882 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 1216 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 2840 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 3069 SdHoareTripleChecker+Invalid, 2960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:26,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 3069 Invalid, 2960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2840 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:19:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15205 states. [2023-12-02 16:19:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15205 to 10150. [2023-12-02 16:19:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10150 states, 10148 states have (on average 2.8220338983050848) internal successors, (28638), 10149 states have internal predecessors, (28638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10150 states to 10150 states and 28638 transitions. [2023-12-02 16:19:27,059 INFO L78 Accepts]: Start accepts. Automaton has 10150 states and 28638 transitions. Word has length 106 [2023-12-02 16:19:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:27,059 INFO L495 AbstractCegarLoop]: Abstraction has 10150 states and 28638 transitions. [2023-12-02 16:19:27,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 10150 states and 28638 transitions. [2023-12-02 16:19:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:27,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:27,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:27,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-02 16:19:27,068 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:27,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2068474273, now seen corresponding path program 33 times [2023-12-02 16:19:27,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:27,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870686778] [2023-12-02 16:19:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:27,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:28,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870686778] [2023-12-02 16:19:28,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870686778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:28,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:28,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:28,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439030040] [2023-12-02 16:19:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:28,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:28,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:28,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:28,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:28,029 INFO L87 Difference]: Start difference. First operand 10150 states and 28638 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:36,355 INFO L93 Difference]: Finished difference Result 20693 states and 57340 transitions. [2023-12-02 16:19:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-12-02 16:19:36,356 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:36,382 INFO L225 Difference]: With dead ends: 20693 [2023-12-02 16:19:36,382 INFO L226 Difference]: Without dead ends: 20693 [2023-12-02 16:19:36,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3994 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2505, Invalid=11537, Unknown=0, NotChecked=0, Total=14042 [2023-12-02 16:19:36,383 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 2147 mSDsluCounter, 5096 mSDsCounter, 0 mSdLazyCounter, 5162 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 5501 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 5162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:36,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 5501 Invalid, 5342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 5162 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 16:19:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20693 states. [2023-12-02 16:19:36,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20693 to 10036. [2023-12-02 16:19:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10036 states, 10034 states have (on average 2.8200119593382498) internal successors, (28296), 10035 states have internal predecessors, (28296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10036 states to 10036 states and 28296 transitions. [2023-12-02 16:19:36,584 INFO L78 Accepts]: Start accepts. Automaton has 10036 states and 28296 transitions. Word has length 106 [2023-12-02 16:19:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:36,584 INFO L495 AbstractCegarLoop]: Abstraction has 10036 states and 28296 transitions. [2023-12-02 16:19:36,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 10036 states and 28296 transitions. [2023-12-02 16:19:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:36,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:36,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:36,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-02 16:19:36,594 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:36,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:36,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1027787361, now seen corresponding path program 34 times [2023-12-02 16:19:36,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:36,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349696551] [2023-12-02 16:19:36,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:36,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:37,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:37,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349696551] [2023-12-02 16:19:37,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349696551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:37,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:37,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074536516] [2023-12-02 16:19:37,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:37,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:37,500 INFO L87 Difference]: Start difference. First operand 10036 states and 28296 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:41,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:41,742 INFO L93 Difference]: Finished difference Result 16338 states and 45511 transitions. [2023-12-02 16:19:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 16:19:41,742 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:41,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:41,764 INFO L225 Difference]: With dead ends: 16338 [2023-12-02 16:19:41,764 INFO L226 Difference]: Without dead ends: 16338 [2023-12-02 16:19:41,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2645 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1679, Invalid=7827, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 16:19:41,765 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 1379 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 2606 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:41,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 3004 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2606 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 16:19:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16338 states. [2023-12-02 16:19:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16338 to 10119. [2023-12-02 16:19:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10119 states, 10117 states have (on average 2.8214885835722052) internal successors, (28545), 10118 states have internal predecessors, (28545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10119 states to 10119 states and 28545 transitions. [2023-12-02 16:19:41,949 INFO L78 Accepts]: Start accepts. Automaton has 10119 states and 28545 transitions. Word has length 106 [2023-12-02 16:19:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:41,949 INFO L495 AbstractCegarLoop]: Abstraction has 10119 states and 28545 transitions. [2023-12-02 16:19:41,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 10119 states and 28545 transitions. [2023-12-02 16:19:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:41,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:41,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:41,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-02 16:19:41,959 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:41,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:41,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1794514101, now seen corresponding path program 35 times [2023-12-02 16:19:41,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:41,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066536051] [2023-12-02 16:19:41,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:41,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:42,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:42,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066536051] [2023-12-02 16:19:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066536051] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683752682] [2023-12-02 16:19:42,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:42,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:42,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:42,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:42,885 INFO L87 Difference]: Start difference. First operand 10119 states and 28545 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:47,271 INFO L93 Difference]: Finished difference Result 15924 states and 44406 transitions. [2023-12-02 16:19:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 16:19:47,272 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:47,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:47,291 INFO L225 Difference]: With dead ends: 15924 [2023-12-02 16:19:47,291 INFO L226 Difference]: Without dead ends: 15924 [2023-12-02 16:19:47,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2046 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1181, Invalid=5959, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 16:19:47,292 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1458 mSDsluCounter, 3619 mSDsCounter, 0 mSdLazyCounter, 3728 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 3728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:47,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 3944 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 3728 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:19:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15924 states. [2023-12-02 16:19:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15924 to 10155. [2023-12-02 16:19:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10155 states, 10153 states have (on average 2.8221215404313997) internal successors, (28653), 10154 states have internal predecessors, (28653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 28653 transitions. [2023-12-02 16:19:47,467 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 28653 transitions. Word has length 106 [2023-12-02 16:19:47,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:47,467 INFO L495 AbstractCegarLoop]: Abstraction has 10155 states and 28653 transitions. [2023-12-02 16:19:47,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 28653 transitions. [2023-12-02 16:19:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:47,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:47,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:47,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-02 16:19:47,477 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:47,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:47,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1274346879, now seen corresponding path program 36 times [2023-12-02 16:19:47,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:47,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078492213] [2023-12-02 16:19:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:47,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:48,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:48,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078492213] [2023-12-02 16:19:48,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078492213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:48,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:48,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642644788] [2023-12-02 16:19:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:48,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:48,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:48,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:48,492 INFO L87 Difference]: Start difference. First operand 10155 states and 28653 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:52,054 INFO L93 Difference]: Finished difference Result 14992 states and 41721 transitions. [2023-12-02 16:19:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 16:19:52,055 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:52,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:52,074 INFO L225 Difference]: With dead ends: 14992 [2023-12-02 16:19:52,075 INFO L226 Difference]: Without dead ends: 14992 [2023-12-02 16:19:52,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=695, Invalid=3465, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 16:19:52,075 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1104 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 3121 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 3356 SdHoareTripleChecker+Invalid, 3213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:52,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 3356 Invalid, 3213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3121 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:19:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14992 states. [2023-12-02 16:19:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14992 to 10163. [2023-12-02 16:19:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10163 states, 10161 states have (on average 2.822261588426336) internal successors, (28677), 10162 states have internal predecessors, (28677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10163 states to 10163 states and 28677 transitions. [2023-12-02 16:19:52,258 INFO L78 Accepts]: Start accepts. Automaton has 10163 states and 28677 transitions. Word has length 106 [2023-12-02 16:19:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:52,258 INFO L495 AbstractCegarLoop]: Abstraction has 10163 states and 28677 transitions. [2023-12-02 16:19:52,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10163 states and 28677 transitions. [2023-12-02 16:19:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:52,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:52,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:52,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-02 16:19:52,268 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:52,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:52,268 INFO L85 PathProgramCache]: Analyzing trace with hash 405645063, now seen corresponding path program 37 times [2023-12-02 16:19:52,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:52,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213948454] [2023-12-02 16:19:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:53,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:53,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213948454] [2023-12-02 16:19:53,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213948454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:53,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:53,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:53,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231404115] [2023-12-02 16:19:53,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:53,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:53,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:53,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:53,274 INFO L87 Difference]: Start difference. First operand 10163 states and 28677 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:19:57,178 INFO L93 Difference]: Finished difference Result 15402 states and 42891 transitions. [2023-12-02 16:19:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 16:19:57,178 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:19:57,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:19:57,199 INFO L225 Difference]: With dead ends: 15402 [2023-12-02 16:19:57,199 INFO L226 Difference]: Without dead ends: 15402 [2023-12-02 16:19:57,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1508 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=872, Invalid=4678, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 16:19:57,199 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1312 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 3495 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 3780 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:19:57,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 3780 Invalid, 3624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3495 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:19:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15402 states. [2023-12-02 16:19:57,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15402 to 10159. [2023-12-02 16:19:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10159 states, 10157 states have (on average 2.8221915920055136) internal successors, (28665), 10158 states have internal predecessors, (28665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10159 states to 10159 states and 28665 transitions. [2023-12-02 16:19:57,379 INFO L78 Accepts]: Start accepts. Automaton has 10159 states and 28665 transitions. Word has length 106 [2023-12-02 16:19:57,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:19:57,379 INFO L495 AbstractCegarLoop]: Abstraction has 10159 states and 28665 transitions. [2023-12-02 16:19:57,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:19:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 10159 states and 28665 transitions. [2023-12-02 16:19:57,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:19:57,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:19:57,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:19:57,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-02 16:19:57,389 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:19:57,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:19:57,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1994557311, now seen corresponding path program 38 times [2023-12-02 16:19:57,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:19:57,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533699466] [2023-12-02 16:19:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:19:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:19:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:19:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:19:58,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:19:58,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533699466] [2023-12-02 16:19:58,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533699466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:19:58,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:19:58,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:19:58,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903558968] [2023-12-02 16:19:58,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:19:58,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:19:58,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:19:58,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:19:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:19:58,356 INFO L87 Difference]: Start difference. First operand 10159 states and 28665 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:06,815 INFO L93 Difference]: Finished difference Result 21067 states and 58400 transitions. [2023-12-02 16:20:06,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-12-02 16:20:06,815 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:06,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:06,844 INFO L225 Difference]: With dead ends: 21067 [2023-12-02 16:20:06,844 INFO L226 Difference]: Without dead ends: 21067 [2023-12-02 16:20:06,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4687 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2748, Invalid=13254, Unknown=0, NotChecked=0, Total=16002 [2023-12-02 16:20:06,845 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 2054 mSDsluCounter, 4901 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 5319 SdHoareTripleChecker+Invalid, 5235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:06,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2054 Valid, 5319 Invalid, 5235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 5033 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:20:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21067 states. [2023-12-02 16:20:07,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21067 to 10143. [2023-12-02 16:20:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10143 states, 10141 states have (on average 2.821911054136673) internal successors, (28617), 10142 states have internal predecessors, (28617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10143 states to 10143 states and 28617 transitions. [2023-12-02 16:20:07,059 INFO L78 Accepts]: Start accepts. Automaton has 10143 states and 28617 transitions. Word has length 106 [2023-12-02 16:20:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:07,060 INFO L495 AbstractCegarLoop]: Abstraction has 10143 states and 28617 transitions. [2023-12-02 16:20:07,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10143 states and 28617 transitions. [2023-12-02 16:20:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:07,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:07,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:07,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-02 16:20:07,069 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:07,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:07,070 INFO L85 PathProgramCache]: Analyzing trace with hash 4286569, now seen corresponding path program 39 times [2023-12-02 16:20:07,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:07,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828789412] [2023-12-02 16:20:07,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:07,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:08,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:08,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828789412] [2023-12-02 16:20:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828789412] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:08,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796684137] [2023-12-02 16:20:08,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:08,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:08,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:08,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:08,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:08,001 INFO L87 Difference]: Start difference. First operand 10143 states and 28617 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:12,893 INFO L93 Difference]: Finished difference Result 16142 states and 45016 transitions. [2023-12-02 16:20:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 16:20:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:12,913 INFO L225 Difference]: With dead ends: 16142 [2023-12-02 16:20:12,913 INFO L226 Difference]: Without dead ends: 16142 [2023-12-02 16:20:12,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3149 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1549, Invalid=8551, Unknown=0, NotChecked=0, Total=10100 [2023-12-02 16:20:12,914 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 1467 mSDsluCounter, 3674 mSDsCounter, 0 mSdLazyCounter, 3865 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 4019 SdHoareTripleChecker+Invalid, 4055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 3865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:12,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 4019 Invalid, 4055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 3865 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:20:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16142 states. [2023-12-02 16:20:13,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16142 to 10155. [2023-12-02 16:20:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10155 states, 10153 states have (on average 2.8221215404313997) internal successors, (28653), 10154 states have internal predecessors, (28653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 28653 transitions. [2023-12-02 16:20:13,091 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 28653 transitions. Word has length 106 [2023-12-02 16:20:13,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:13,091 INFO L495 AbstractCegarLoop]: Abstraction has 10155 states and 28653 transitions. [2023-12-02 16:20:13,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 28653 transitions. [2023-12-02 16:20:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:13,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:13,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:13,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-02 16:20:13,100 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:13,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:13,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1141649311, now seen corresponding path program 40 times [2023-12-02 16:20:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978792756] [2023-12-02 16:20:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:14,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:14,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978792756] [2023-12-02 16:20:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978792756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:14,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:14,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:14,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869614194] [2023-12-02 16:20:14,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:14,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:14,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:14,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:14,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:14,132 INFO L87 Difference]: Start difference. First operand 10155 states and 28653 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:17,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:17,650 INFO L93 Difference]: Finished difference Result 14713 states and 41023 transitions. [2023-12-02 16:20:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:20:17,651 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:17,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:17,670 INFO L225 Difference]: With dead ends: 14713 [2023-12-02 16:20:17,670 INFO L226 Difference]: Without dead ends: 14713 [2023-12-02 16:20:17,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=562, Invalid=2860, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:20:17,671 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1096 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 3577 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:17,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 4011 Invalid, 3650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3577 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:20:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14713 states. [2023-12-02 16:20:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14713 to 10159. [2023-12-02 16:20:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10159 states, 10157 states have (on average 2.8221915920055136) internal successors, (28665), 10158 states have internal predecessors, (28665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10159 states to 10159 states and 28665 transitions. [2023-12-02 16:20:17,843 INFO L78 Accepts]: Start accepts. Automaton has 10159 states and 28665 transitions. Word has length 106 [2023-12-02 16:20:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:17,843 INFO L495 AbstractCegarLoop]: Abstraction has 10159 states and 28665 transitions. [2023-12-02 16:20:17,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10159 states and 28665 transitions. [2023-12-02 16:20:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:17,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:17,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:17,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-02 16:20:17,853 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:17,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:17,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1108054651, now seen corresponding path program 41 times [2023-12-02 16:20:17,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:17,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873258427] [2023-12-02 16:20:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:17,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:18,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873258427] [2023-12-02 16:20:18,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873258427] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:18,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:18,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:18,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320682831] [2023-12-02 16:20:18,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:18,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:18,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:18,828 INFO L87 Difference]: Start difference. First operand 10159 states and 28665 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:22,274 INFO L93 Difference]: Finished difference Result 15047 states and 41973 transitions. [2023-12-02 16:20:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 16:20:22,274 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:22,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:22,294 INFO L225 Difference]: With dead ends: 15047 [2023-12-02 16:20:22,294 INFO L226 Difference]: Without dead ends: 15047 [2023-12-02 16:20:22,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1253 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=711, Invalid=3981, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 16:20:22,295 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 1298 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:22,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 3159 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2810 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:20:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15047 states. [2023-12-02 16:20:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15047 to 10157. [2023-12-02 16:20:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10157 states, 10155 states have (on average 2.822156573116691) internal successors, (28659), 10156 states have internal predecessors, (28659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 28659 transitions. [2023-12-02 16:20:22,471 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 28659 transitions. Word has length 106 [2023-12-02 16:20:22,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:22,471 INFO L495 AbstractCegarLoop]: Abstraction has 10157 states and 28659 transitions. [2023-12-02 16:20:22,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 28659 transitions. [2023-12-02 16:20:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:22,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:22,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:22,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-02 16:20:22,481 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:22,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2006194209, now seen corresponding path program 42 times [2023-12-02 16:20:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:22,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115147791] [2023-12-02 16:20:22,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:23,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:23,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115147791] [2023-12-02 16:20:23,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115147791] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:23,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:23,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:23,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993449700] [2023-12-02 16:20:23,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:23,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:23,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:23,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:23,479 INFO L87 Difference]: Start difference. First operand 10157 states and 28659 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:30,248 INFO L93 Difference]: Finished difference Result 20696 states and 57431 transitions. [2023-12-02 16:20:30,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-12-02 16:20:30,248 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:30,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:30,276 INFO L225 Difference]: With dead ends: 20696 [2023-12-02 16:20:30,276 INFO L226 Difference]: Without dead ends: 20696 [2023-12-02 16:20:30,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2942 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1869, Invalid=9051, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 16:20:30,277 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 1777 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 4383 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 4873 SdHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 4383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:30,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 4873 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 4383 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:20:30,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20696 states. [2023-12-02 16:20:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20696 to 10149. [2023-12-02 16:20:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10149 states, 10147 states have (on average 2.8220163595151275) internal successors, (28635), 10148 states have internal predecessors, (28635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10149 states to 10149 states and 28635 transitions. [2023-12-02 16:20:30,488 INFO L78 Accepts]: Start accepts. Automaton has 10149 states and 28635 transitions. Word has length 106 [2023-12-02 16:20:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:30,488 INFO L495 AbstractCegarLoop]: Abstraction has 10149 states and 28635 transitions. [2023-12-02 16:20:30,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 10149 states and 28635 transitions. [2023-12-02 16:20:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:30,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:30,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:30,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-02 16:20:30,498 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:30,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:30,498 INFO L85 PathProgramCache]: Analyzing trace with hash 628720935, now seen corresponding path program 43 times [2023-12-02 16:20:30,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:30,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776966150] [2023-12-02 16:20:30,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:30,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:31,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:31,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776966150] [2023-12-02 16:20:31,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776966150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:31,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:31,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:31,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621909171] [2023-12-02 16:20:31,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:31,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:31,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:31,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:31,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:31,408 INFO L87 Difference]: Start difference. First operand 10149 states and 28635 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:35,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:35,591 INFO L93 Difference]: Finished difference Result 15880 states and 44349 transitions. [2023-12-02 16:20:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 16:20:35,592 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:35,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:35,613 INFO L225 Difference]: With dead ends: 15880 [2023-12-02 16:20:35,613 INFO L226 Difference]: Without dead ends: 15880 [2023-12-02 16:20:35,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2623 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1274, Invalid=7282, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 16:20:35,614 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1291 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 2957 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 2957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:35,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 3165 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 2957 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:20:35,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15880 states. [2023-12-02 16:20:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15880 to 10155. [2023-12-02 16:20:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10155 states, 10153 states have (on average 2.8221215404313997) internal successors, (28653), 10154 states have internal predecessors, (28653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 28653 transitions. [2023-12-02 16:20:35,797 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 28653 transitions. Word has length 106 [2023-12-02 16:20:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:35,797 INFO L495 AbstractCegarLoop]: Abstraction has 10155 states and 28653 transitions. [2023-12-02 16:20:35,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 28653 transitions. [2023-12-02 16:20:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:35,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:35,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:35,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-02 16:20:35,806 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:35,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash -991853851, now seen corresponding path program 44 times [2023-12-02 16:20:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279725772] [2023-12-02 16:20:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:36,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:36,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279725772] [2023-12-02 16:20:36,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279725772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:36,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:36,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:36,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988677049] [2023-12-02 16:20:36,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:36,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:36,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:36,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:36,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:36,776 INFO L87 Difference]: Start difference. First operand 10155 states and 28653 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:42,263 INFO L93 Difference]: Finished difference Result 16888 states and 46945 transitions. [2023-12-02 16:20:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-12-02 16:20:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:42,286 INFO L225 Difference]: With dead ends: 16888 [2023-12-02 16:20:42,286 INFO L226 Difference]: Without dead ends: 16888 [2023-12-02 16:20:42,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2869 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1492, Invalid=7820, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 16:20:42,287 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 1488 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 4316 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 4316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:42,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 4816 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 4316 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 16:20:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16888 states. [2023-12-02 16:20:42,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16888 to 10123. [2023-12-02 16:20:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10123 states, 10121 states have (on average 2.8215591344728783) internal successors, (28557), 10122 states have internal predecessors, (28557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10123 states to 10123 states and 28557 transitions. [2023-12-02 16:20:42,475 INFO L78 Accepts]: Start accepts. Automaton has 10123 states and 28557 transitions. Word has length 106 [2023-12-02 16:20:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:42,475 INFO L495 AbstractCegarLoop]: Abstraction has 10123 states and 28557 transitions. [2023-12-02 16:20:42,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 10123 states and 28557 transitions. [2023-12-02 16:20:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:42,484 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:42,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:42,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-02 16:20:42,485 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:42,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash -13408267, now seen corresponding path program 45 times [2023-12-02 16:20:42,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:42,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003264501] [2023-12-02 16:20:42,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:42,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:43,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:43,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003264501] [2023-12-02 16:20:43,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003264501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:43,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:43,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103518045] [2023-12-02 16:20:43,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:43,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:43,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:43,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:43,454 INFO L87 Difference]: Start difference. First operand 10123 states and 28557 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:48,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:48,112 INFO L93 Difference]: Finished difference Result 15862 states and 44270 transitions. [2023-12-02 16:20:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 16:20:48,112 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:48,133 INFO L225 Difference]: With dead ends: 15862 [2023-12-02 16:20:48,133 INFO L226 Difference]: Without dead ends: 15862 [2023-12-02 16:20:48,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1803 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1185, Invalid=5457, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 16:20:48,134 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1594 mSDsluCounter, 4174 mSDsCounter, 0 mSdLazyCounter, 4072 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 4072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:48,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 4488 Invalid, 4153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 4072 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:20:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15862 states. [2023-12-02 16:20:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15862 to 10579. [2023-12-02 16:20:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10579 states, 10577 states have (on average 2.828684882291765) internal successors, (29919), 10578 states have internal predecessors, (29919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10579 states to 10579 states and 29919 transitions. [2023-12-02 16:20:48,322 INFO L78 Accepts]: Start accepts. Automaton has 10579 states and 29919 transitions. Word has length 106 [2023-12-02 16:20:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:48,322 INFO L495 AbstractCegarLoop]: Abstraction has 10579 states and 29919 transitions. [2023-12-02 16:20:48,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10579 states and 29919 transitions. [2023-12-02 16:20:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:48,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:48,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:48,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-02 16:20:48,333 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:48,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:48,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1712874161, now seen corresponding path program 46 times [2023-12-02 16:20:48,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:48,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968039996] [2023-12-02 16:20:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:49,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:49,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968039996] [2023-12-02 16:20:49,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968039996] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:49,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:49,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:49,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553024866] [2023-12-02 16:20:49,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:49,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:49,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:49,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:49,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:49,294 INFO L87 Difference]: Start difference. First operand 10579 states and 29919 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:20:53,480 INFO L93 Difference]: Finished difference Result 16106 states and 44958 transitions. [2023-12-02 16:20:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 16:20:53,481 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:20:53,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:20:53,502 INFO L225 Difference]: With dead ends: 16106 [2023-12-02 16:20:53,502 INFO L226 Difference]: Without dead ends: 16106 [2023-12-02 16:20:53,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2070 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1279, Invalid=6031, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 16:20:53,503 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1597 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 3260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:20:53,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 3552 Invalid, 3260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:20:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16106 states. [2023-12-02 16:20:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16106 to 10571. [2023-12-02 16:20:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10571 states, 10569 states have (on average 2.8287444412905667) internal successors, (29897), 10570 states have internal predecessors, (29897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10571 states to 10571 states and 29897 transitions. [2023-12-02 16:20:53,694 INFO L78 Accepts]: Start accepts. Automaton has 10571 states and 29897 transitions. Word has length 106 [2023-12-02 16:20:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:20:53,695 INFO L495 AbstractCegarLoop]: Abstraction has 10571 states and 29897 transitions. [2023-12-02 16:20:53,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:20:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 10571 states and 29897 transitions. [2023-12-02 16:20:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:20:53,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:20:53,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:20:53,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-02 16:20:53,705 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:20:53,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:20:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1254708297, now seen corresponding path program 47 times [2023-12-02 16:20:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:20:53,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642057649] [2023-12-02 16:20:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:20:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:20:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:20:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:20:54,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:20:54,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642057649] [2023-12-02 16:20:54,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642057649] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:20:54,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:20:54,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:20:54,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663794172] [2023-12-02 16:20:54,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:20:54,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:20:54,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:20:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:20:54,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:20:54,656 INFO L87 Difference]: Start difference. First operand 10571 states and 29897 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:02,863 INFO L93 Difference]: Finished difference Result 21600 states and 59979 transitions. [2023-12-02 16:21:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-12-02 16:21:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:02,894 INFO L225 Difference]: With dead ends: 21600 [2023-12-02 16:21:02,894 INFO L226 Difference]: Without dead ends: 21600 [2023-12-02 16:21:02,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4822 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2763, Invalid=12987, Unknown=0, NotChecked=0, Total=15750 [2023-12-02 16:21:02,896 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 2624 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 5330 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2624 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 5495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 5330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:02,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2624 Valid, 5929 Invalid, 5495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 5330 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 16:21:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21600 states. [2023-12-02 16:21:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21600 to 10553. [2023-12-02 16:21:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10553 states, 10551 states have (on average 2.8288313903895363) internal successors, (29847), 10552 states have internal predecessors, (29847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 29847 transitions. [2023-12-02 16:21:03,188 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 29847 transitions. Word has length 106 [2023-12-02 16:21:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:03,188 INFO L495 AbstractCegarLoop]: Abstraction has 10553 states and 29847 transitions. [2023-12-02 16:21:03,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 29847 transitions. [2023-12-02 16:21:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:03,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:03,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:03,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-02 16:21:03,198 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:03,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1198696285, now seen corresponding path program 48 times [2023-12-02 16:21:03,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:03,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10510359] [2023-12-02 16:21:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:03,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:04,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:04,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10510359] [2023-12-02 16:21:04,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10510359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:04,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:04,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:04,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993000672] [2023-12-02 16:21:04,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:04,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:04,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:04,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:04,256 INFO L87 Difference]: Start difference. First operand 10553 states and 29847 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:08,611 INFO L93 Difference]: Finished difference Result 16083 states and 44959 transitions. [2023-12-02 16:21:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 16:21:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:08,632 INFO L225 Difference]: With dead ends: 16083 [2023-12-02 16:21:08,633 INFO L226 Difference]: Without dead ends: 16083 [2023-12-02 16:21:08,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1104, Invalid=5058, Unknown=0, NotChecked=0, Total=6162 [2023-12-02 16:21:08,633 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 1443 mSDsluCounter, 3356 mSDsCounter, 0 mSdLazyCounter, 3337 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 3668 SdHoareTripleChecker+Invalid, 3415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:08,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 3668 Invalid, 3415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3337 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:21:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16083 states. [2023-12-02 16:21:08,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16083 to 10791. [2023-12-02 16:21:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10791 states, 10789 states have (on average 2.8326072851978865) internal successors, (30561), 10790 states have internal predecessors, (30561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10791 states to 10791 states and 30561 transitions. [2023-12-02 16:21:08,823 INFO L78 Accepts]: Start accepts. Automaton has 10791 states and 30561 transitions. Word has length 106 [2023-12-02 16:21:08,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:08,824 INFO L495 AbstractCegarLoop]: Abstraction has 10791 states and 30561 transitions. [2023-12-02 16:21:08,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 10791 states and 30561 transitions. [2023-12-02 16:21:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:08,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:08,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:08,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-02 16:21:08,834 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:08,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash 54861123, now seen corresponding path program 49 times [2023-12-02 16:21:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:08,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300403827] [2023-12-02 16:21:08,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:08,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:09,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:09,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300403827] [2023-12-02 16:21:09,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300403827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:09,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:09,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:09,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787018240] [2023-12-02 16:21:09,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:09,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:09,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:09,782 INFO L87 Difference]: Start difference. First operand 10791 states and 30561 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:14,169 INFO L93 Difference]: Finished difference Result 16394 states and 45841 transitions. [2023-12-02 16:21:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 16:21:14,169 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:14,191 INFO L225 Difference]: With dead ends: 16394 [2023-12-02 16:21:14,191 INFO L226 Difference]: Without dead ends: 16394 [2023-12-02 16:21:14,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1890 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1180, Invalid=5626, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 16:21:14,192 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1608 mSDsluCounter, 3896 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 4217 SdHoareTripleChecker+Invalid, 3955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:14,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 4217 Invalid, 3955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3867 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:21:14,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16394 states. [2023-12-02 16:21:14,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16394 to 10779. [2023-12-02 16:21:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10779 states, 10777 states have (on average 2.8324208963533453) internal successors, (30525), 10778 states have internal predecessors, (30525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10779 states to 10779 states and 30525 transitions. [2023-12-02 16:21:14,384 INFO L78 Accepts]: Start accepts. Automaton has 10779 states and 30525 transitions. Word has length 106 [2023-12-02 16:21:14,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:14,384 INFO L495 AbstractCegarLoop]: Abstraction has 10779 states and 30525 transitions. [2023-12-02 16:21:14,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10779 states and 30525 transitions. [2023-12-02 16:21:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:14,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:14,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:14,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-02 16:21:14,394 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:14,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:14,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1857815645, now seen corresponding path program 50 times [2023-12-02 16:21:14,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:14,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778745840] [2023-12-02 16:21:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:14,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:15,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:15,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778745840] [2023-12-02 16:21:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778745840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:15,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:15,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:15,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827404602] [2023-12-02 16:21:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:15,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:15,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:15,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:15,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:15,340 INFO L87 Difference]: Start difference. First operand 10779 states and 30525 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:23,372 INFO L93 Difference]: Finished difference Result 21617 states and 60050 transitions. [2023-12-02 16:21:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 16:21:23,373 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:23,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:23,402 INFO L225 Difference]: With dead ends: 21617 [2023-12-02 16:21:23,402 INFO L226 Difference]: Without dead ends: 21617 [2023-12-02 16:21:23,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4528 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2628, Invalid=12378, Unknown=0, NotChecked=0, Total=15006 [2023-12-02 16:21:23,403 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 2320 mSDsluCounter, 5307 mSDsCounter, 0 mSdLazyCounter, 5204 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 5730 SdHoareTripleChecker+Invalid, 5323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 5204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:23,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 5730 Invalid, 5323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 5204 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:21:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21617 states. [2023-12-02 16:21:23,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21617 to 10487. [2023-12-02 16:21:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10487 states, 10485 states have (on average 2.8277539341917026) internal successors, (29649), 10486 states have internal predecessors, (29649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10487 states to 10487 states and 29649 transitions. [2023-12-02 16:21:23,625 INFO L78 Accepts]: Start accepts. Automaton has 10487 states and 29649 transitions. Word has length 106 [2023-12-02 16:21:23,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:23,626 INFO L495 AbstractCegarLoop]: Abstraction has 10487 states and 29649 transitions. [2023-12-02 16:21:23,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 10487 states and 29649 transitions. [2023-12-02 16:21:23,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:23,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:23,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:23,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-02 16:21:23,636 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:23,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash 817128733, now seen corresponding path program 51 times [2023-12-02 16:21:23,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:23,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198591835] [2023-12-02 16:21:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:24,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:24,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198591835] [2023-12-02 16:21:24,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198591835] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:24,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:24,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029864565] [2023-12-02 16:21:24,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:24,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:24,485 INFO L87 Difference]: Start difference. First operand 10487 states and 29649 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:31,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:31,224 INFO L93 Difference]: Finished difference Result 17545 states and 49051 transitions. [2023-12-02 16:21:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-12-02 16:21:31,224 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:31,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:31,246 INFO L225 Difference]: With dead ends: 17545 [2023-12-02 16:21:31,246 INFO L226 Difference]: Without dead ends: 17545 [2023-12-02 16:21:31,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4274 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2211, Invalid=11595, Unknown=0, NotChecked=0, Total=13806 [2023-12-02 16:21:31,247 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 1606 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 5718 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 6247 SdHoareTripleChecker+Invalid, 5804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 5718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:31,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 6247 Invalid, 5804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 5718 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 16:21:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17545 states. [2023-12-02 16:21:31,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17545 to 10805. [2023-12-02 16:21:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10805 states, 10803 states have (on average 2.8328242154956955) internal successors, (30603), 10804 states have internal predecessors, (30603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10805 states to 10805 states and 30603 transitions. [2023-12-02 16:21:31,437 INFO L78 Accepts]: Start accepts. Automaton has 10805 states and 30603 transitions. Word has length 106 [2023-12-02 16:21:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:31,438 INFO L495 AbstractCegarLoop]: Abstraction has 10805 states and 30603 transitions. [2023-12-02 16:21:31,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 10805 states and 30603 transitions. [2023-12-02 16:21:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:31,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:31,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:31,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-02 16:21:31,449 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:31,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2005172729, now seen corresponding path program 52 times [2023-12-02 16:21:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343014544] [2023-12-02 16:21:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:32,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:32,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343014544] [2023-12-02 16:21:32,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343014544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:32,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:32,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:32,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439600462] [2023-12-02 16:21:32,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:32,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:32,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:32,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:32,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:32,389 INFO L87 Difference]: Start difference. First operand 10805 states and 30603 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:36,844 INFO L93 Difference]: Finished difference Result 16914 states and 47309 transitions. [2023-12-02 16:21:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-02 16:21:36,845 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:36,867 INFO L225 Difference]: With dead ends: 16914 [2023-12-02 16:21:36,867 INFO L226 Difference]: Without dead ends: 16914 [2023-12-02 16:21:36,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1389, Invalid=6801, Unknown=0, NotChecked=0, Total=8190 [2023-12-02 16:21:36,868 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 1420 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 3359 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 3499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 3359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:36,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 3737 Invalid, 3499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 3359 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:21:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16914 states. [2023-12-02 16:21:37,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16914 to 10793. [2023-12-02 16:21:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10793 states, 10791 states have (on average 2.83263830970253) internal successors, (30567), 10792 states have internal predecessors, (30567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10793 states to 10793 states and 30567 transitions. [2023-12-02 16:21:37,077 INFO L78 Accepts]: Start accepts. Automaton has 10793 states and 30567 transitions. Word has length 106 [2023-12-02 16:21:37,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:37,077 INFO L495 AbstractCegarLoop]: Abstraction has 10793 states and 30567 transitions. [2023-12-02 16:21:37,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 10793 states and 30567 transitions. [2023-12-02 16:21:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:37,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:37,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:37,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-02 16:21:37,087 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:37,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:37,087 INFO L85 PathProgramCache]: Analyzing trace with hash 761636607, now seen corresponding path program 53 times [2023-12-02 16:21:37,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:37,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098838529] [2023-12-02 16:21:37,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:37,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:37,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:37,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098838529] [2023-12-02 16:21:37,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098838529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:37,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:37,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:37,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686403925] [2023-12-02 16:21:37,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:37,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:37,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:37,965 INFO L87 Difference]: Start difference. First operand 10793 states and 30567 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:43,080 INFO L93 Difference]: Finished difference Result 20609 states and 57742 transitions. [2023-12-02 16:21:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-12-02 16:21:43,081 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:43,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:43,106 INFO L225 Difference]: With dead ends: 20609 [2023-12-02 16:21:43,106 INFO L226 Difference]: Without dead ends: 20609 [2023-12-02 16:21:43,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3057 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1611, Invalid=8289, Unknown=0, NotChecked=0, Total=9900 [2023-12-02 16:21:43,107 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1584 mSDsluCounter, 4224 mSDsCounter, 0 mSdLazyCounter, 4217 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 4359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:43,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 4584 Invalid, 4359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [142 Valid, 4217 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:21:43,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20609 states. [2023-12-02 16:21:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20609 to 11513. [2023-12-02 16:21:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11513 states, 11511 states have (on average 2.843106593692989) internal successors, (32727), 11512 states have internal predecessors, (32727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11513 states to 11513 states and 32727 transitions. [2023-12-02 16:21:43,322 INFO L78 Accepts]: Start accepts. Automaton has 11513 states and 32727 transitions. Word has length 106 [2023-12-02 16:21:43,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:43,322 INFO L495 AbstractCegarLoop]: Abstraction has 11513 states and 32727 transitions. [2023-12-02 16:21:43,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 11513 states and 32727 transitions. [2023-12-02 16:21:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:43,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:43,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:43,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-02 16:21:43,333 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:43,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1228549597, now seen corresponding path program 54 times [2023-12-02 16:21:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:43,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229971978] [2023-12-02 16:21:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:44,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:44,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229971978] [2023-12-02 16:21:44,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229971978] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:44,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:44,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:44,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080522830] [2023-12-02 16:21:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:44,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:44,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:44,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:44,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:44,317 INFO L87 Difference]: Start difference. First operand 11513 states and 32727 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:48,255 INFO L93 Difference]: Finished difference Result 16400 states and 45981 transitions. [2023-12-02 16:21:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 16:21:48,255 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:48,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:48,277 INFO L225 Difference]: With dead ends: 16400 [2023-12-02 16:21:48,278 INFO L226 Difference]: Without dead ends: 16400 [2023-12-02 16:21:48,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=913, Invalid=4343, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 16:21:48,278 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1147 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 3918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:48,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 4163 Invalid, 3918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:21:48,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16400 states. [2023-12-02 16:21:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16400 to 11553. [2023-12-02 16:21:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11553 states, 11551 states have (on average 2.84364990044152) internal successors, (32847), 11552 states have internal predecessors, (32847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11553 states to 11553 states and 32847 transitions. [2023-12-02 16:21:48,476 INFO L78 Accepts]: Start accepts. Automaton has 11553 states and 32847 transitions. Word has length 106 [2023-12-02 16:21:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:48,476 INFO L495 AbstractCegarLoop]: Abstraction has 11553 states and 32847 transitions. [2023-12-02 16:21:48,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 11553 states and 32847 transitions. [2023-12-02 16:21:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:48,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:48,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:48,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-02 16:21:48,487 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:48,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:48,487 INFO L85 PathProgramCache]: Analyzing trace with hash 84714435, now seen corresponding path program 55 times [2023-12-02 16:21:48,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:48,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009068791] [2023-12-02 16:21:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:48,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:49,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:49,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009068791] [2023-12-02 16:21:49,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009068791] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:49,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:49,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276772187] [2023-12-02 16:21:49,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:49,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:49,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:49,500 INFO L87 Difference]: Start difference. First operand 11553 states and 32847 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:53,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:21:53,461 INFO L93 Difference]: Finished difference Result 16711 states and 46863 transitions. [2023-12-02 16:21:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 16:21:53,461 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:21:53,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:21:53,484 INFO L225 Difference]: With dead ends: 16711 [2023-12-02 16:21:53,484 INFO L226 Difference]: Without dead ends: 16711 [2023-12-02 16:21:53,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1583 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=987, Invalid=4865, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 16:21:53,484 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1397 mSDsluCounter, 3265 mSDsCounter, 0 mSdLazyCounter, 3309 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 3576 SdHoareTripleChecker+Invalid, 3433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:21:53,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 3576 Invalid, 3433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3309 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 16:21:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16711 states. [2023-12-02 16:21:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16711 to 11541. [2023-12-02 16:21:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11541 states, 11539 states have (on average 2.8434873039258166) internal successors, (32811), 11540 states have internal predecessors, (32811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 32811 transitions. [2023-12-02 16:21:53,685 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 32811 transitions. Word has length 106 [2023-12-02 16:21:53,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:21:53,686 INFO L495 AbstractCegarLoop]: Abstraction has 11541 states and 32811 transitions. [2023-12-02 16:21:53,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:21:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 32811 transitions. [2023-12-02 16:21:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:21:53,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:21:53,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:21:53,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-02 16:21:53,697 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:21:53,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:21:53,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1887668957, now seen corresponding path program 56 times [2023-12-02 16:21:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:21:53,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879124558] [2023-12-02 16:21:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:21:53,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:21:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:21:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:21:54,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:21:54,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879124558] [2023-12-02 16:21:54,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879124558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:21:54,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:21:54,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:21:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915832223] [2023-12-02 16:21:54,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:21:54,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:21:54,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:21:54,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:21:54,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:21:54,649 INFO L87 Difference]: Start difference. First operand 11541 states and 32811 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:03,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:03,422 INFO L93 Difference]: Finished difference Result 22171 states and 61784 transitions. [2023-12-02 16:22:03,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-12-02 16:22:03,422 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:03,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:03,452 INFO L225 Difference]: With dead ends: 22171 [2023-12-02 16:22:03,452 INFO L226 Difference]: Without dead ends: 22171 [2023-12-02 16:22:03,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5105 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2828, Invalid=13684, Unknown=0, NotChecked=0, Total=16512 [2023-12-02 16:22:03,454 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 2062 mSDsluCounter, 5600 mSDsCounter, 0 mSdLazyCounter, 5541 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 6023 SdHoareTripleChecker+Invalid, 5687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 5541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:03,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 6023 Invalid, 5687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 5541 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 16:22:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22171 states. [2023-12-02 16:22:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22171 to 11557. [2023-12-02 16:22:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11557 states, 11555 states have (on average 2.843704024231934) internal successors, (32859), 11556 states have internal predecessors, (32859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 32859 transitions. [2023-12-02 16:22:03,688 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 32859 transitions. Word has length 106 [2023-12-02 16:22:03,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:03,688 INFO L495 AbstractCegarLoop]: Abstraction has 11557 states and 32859 transitions. [2023-12-02 16:22:03,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 32859 transitions. [2023-12-02 16:22:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:03,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:03,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:03,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-02 16:22:03,699 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:03,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1975319417, now seen corresponding path program 57 times [2023-12-02 16:22:03,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:03,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563425743] [2023-12-02 16:22:03,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:04,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:04,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563425743] [2023-12-02 16:22:04,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563425743] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:04,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:04,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:04,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962021382] [2023-12-02 16:22:04,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:04,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:04,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:04,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:04,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:04,585 INFO L87 Difference]: Start difference. First operand 11557 states and 32859 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:09,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:09,116 INFO L93 Difference]: Finished difference Result 17343 states and 48669 transitions. [2023-12-02 16:22:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 16:22:09,116 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:09,138 INFO L225 Difference]: With dead ends: 17343 [2023-12-02 16:22:09,138 INFO L226 Difference]: Without dead ends: 17343 [2023-12-02 16:22:09,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2590 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1394, Invalid=7162, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 16:22:09,139 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 1345 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 3770 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 3913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 3770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:09,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 4051 Invalid, 3913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 3770 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:22:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17343 states. [2023-12-02 16:22:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17343 to 11545. [2023-12-02 16:22:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11545 states, 11543 states have (on average 2.8435415403274713) internal successors, (32823), 11544 states have internal predecessors, (32823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11545 states to 11545 states and 32823 transitions. [2023-12-02 16:22:09,334 INFO L78 Accepts]: Start accepts. Automaton has 11545 states and 32823 transitions. Word has length 106 [2023-12-02 16:22:09,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:09,334 INFO L495 AbstractCegarLoop]: Abstraction has 11545 states and 32823 transitions. [2023-12-02 16:22:09,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 11545 states and 32823 transitions. [2023-12-02 16:22:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:09,345 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:09,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:09,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-02 16:22:09,345 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:09,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:09,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1093541563, now seen corresponding path program 58 times [2023-12-02 16:22:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:09,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833215252] [2023-12-02 16:22:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:10,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833215252] [2023-12-02 16:22:10,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833215252] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:10,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:10,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:10,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069714766] [2023-12-02 16:22:10,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:10,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:10,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:10,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:10,332 INFO L87 Difference]: Start difference. First operand 11545 states and 32823 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:13,892 INFO L93 Difference]: Finished difference Result 16354 states and 45819 transitions. [2023-12-02 16:22:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 16:22:13,893 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:13,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:13,915 INFO L225 Difference]: With dead ends: 16354 [2023-12-02 16:22:13,915 INFO L226 Difference]: Without dead ends: 16354 [2023-12-02 16:22:13,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1453 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=969, Invalid=4581, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 16:22:13,915 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1392 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 2747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:13,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 3031 Invalid, 2747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2686 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 16:22:13,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16354 states. [2023-12-02 16:22:14,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16354 to 11541. [2023-12-02 16:22:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11541 states, 11539 states have (on average 2.8434873039258166) internal successors, (32811), 11540 states have internal predecessors, (32811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 32811 transitions. [2023-12-02 16:22:14,116 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 32811 transitions. Word has length 106 [2023-12-02 16:22:14,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:14,116 INFO L495 AbstractCegarLoop]: Abstraction has 11541 states and 32811 transitions. [2023-12-02 16:22:14,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 32811 transitions. [2023-12-02 16:22:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:14,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:14,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:14,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-02 16:22:14,128 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:14,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:14,128 INFO L85 PathProgramCache]: Analyzing trace with hash 224839747, now seen corresponding path program 59 times [2023-12-02 16:22:14,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:14,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583897676] [2023-12-02 16:22:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:14,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:15,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:15,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583897676] [2023-12-02 16:22:15,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583897676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:15,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:15,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:15,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389645403] [2023-12-02 16:22:15,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:15,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:15,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:15,118 INFO L87 Difference]: Start difference. First operand 11541 states and 32811 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:19,388 INFO L93 Difference]: Finished difference Result 16764 states and 46989 transitions. [2023-12-02 16:22:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 16:22:19,388 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:19,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:19,411 INFO L225 Difference]: With dead ends: 16764 [2023-12-02 16:22:19,411 INFO L226 Difference]: Without dead ends: 16764 [2023-12-02 16:22:19,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1142, Invalid=5998, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 16:22:19,412 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1299 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 3425 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 3531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:19,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 3659 Invalid, 3531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3425 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:22:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2023-12-02 16:22:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 11537. [2023-12-02 16:22:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 11535 states have (on average 2.8434330299089727) internal successors, (32799), 11536 states have internal predecessors, (32799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 32799 transitions. [2023-12-02 16:22:19,617 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 32799 transitions. Word has length 106 [2023-12-02 16:22:19,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:19,617 INFO L495 AbstractCegarLoop]: Abstraction has 11537 states and 32799 transitions. [2023-12-02 16:22:19,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 32799 transitions. [2023-12-02 16:22:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:19,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:19,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:19,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-02 16:22:19,628 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:19,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:19,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1813751995, now seen corresponding path program 60 times [2023-12-02 16:22:19,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:19,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310618639] [2023-12-02 16:22:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:19,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:20,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:20,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310618639] [2023-12-02 16:22:20,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310618639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:20,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:20,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:20,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702371639] [2023-12-02 16:22:20,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:20,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:20,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:20,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:20,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:20,620 INFO L87 Difference]: Start difference. First operand 11537 states and 32799 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:30,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:30,022 INFO L93 Difference]: Finished difference Result 22327 states and 62200 transitions. [2023-12-02 16:22:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-12-02 16:22:30,023 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:30,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:30,053 INFO L225 Difference]: With dead ends: 22327 [2023-12-02 16:22:30,053 INFO L226 Difference]: Without dead ends: 22327 [2023-12-02 16:22:30,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5903 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3075, Invalid=15557, Unknown=0, NotChecked=0, Total=18632 [2023-12-02 16:22:30,055 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 1895 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 5798 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 6173 SdHoareTripleChecker+Invalid, 5941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 5798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:30,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 6173 Invalid, 5941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 5798 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-02 16:22:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22327 states. [2023-12-02 16:22:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22327 to 11517. [2023-12-02 16:22:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11517 states, 11515 states have (on average 2.843161094224924) internal successors, (32739), 11516 states have internal predecessors, (32739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 32739 transitions. [2023-12-02 16:22:30,290 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 32739 transitions. Word has length 106 [2023-12-02 16:22:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:30,291 INFO L495 AbstractCegarLoop]: Abstraction has 11517 states and 32739 transitions. [2023-12-02 16:22:30,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 32739 transitions. [2023-12-02 16:22:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:30,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:30,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:30,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-02 16:22:30,302 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:30,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash -176518747, now seen corresponding path program 61 times [2023-12-02 16:22:30,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:30,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373625236] [2023-12-02 16:22:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:31,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:31,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373625236] [2023-12-02 16:22:31,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373625236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:31,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:31,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099091382] [2023-12-02 16:22:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:31,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:31,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:31,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:31,226 INFO L87 Difference]: Start difference. First operand 11517 states and 32739 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:36,962 INFO L93 Difference]: Finished difference Result 17551 states and 49240 transitions. [2023-12-02 16:22:36,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-12-02 16:22:36,963 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:36,986 INFO L225 Difference]: With dead ends: 17551 [2023-12-02 16:22:36,986 INFO L226 Difference]: Without dead ends: 17551 [2023-12-02 16:22:36,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3846 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1761, Invalid=10011, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 16:22:36,987 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 1335 mSDsluCounter, 4707 mSDsCounter, 0 mSdLazyCounter, 4849 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 5010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 4849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:36,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 5072 Invalid, 5010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 4849 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 16:22:37,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17551 states. [2023-12-02 16:22:37,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17551 to 11513. [2023-12-02 16:22:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11513 states, 11511 states have (on average 2.843106593692989) internal successors, (32727), 11512 states have internal predecessors, (32727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11513 states to 11513 states and 32727 transitions. [2023-12-02 16:22:37,191 INFO L78 Accepts]: Start accepts. Automaton has 11513 states and 32727 transitions. Word has length 106 [2023-12-02 16:22:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:37,191 INFO L495 AbstractCegarLoop]: Abstraction has 11513 states and 32727 transitions. [2023-12-02 16:22:37,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 11513 states and 32727 transitions. [2023-12-02 16:22:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:37,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:37,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:37,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-02 16:22:37,202 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:37,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash -653039007, now seen corresponding path program 62 times [2023-12-02 16:22:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:37,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103791058] [2023-12-02 16:22:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:38,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:38,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103791058] [2023-12-02 16:22:38,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103791058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:38,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:38,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629935110] [2023-12-02 16:22:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:38,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:38,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:38,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:38,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:38,072 INFO L87 Difference]: Start difference. First operand 11513 states and 32727 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:42,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:42,891 INFO L93 Difference]: Finished difference Result 21305 states and 59811 transitions. [2023-12-02 16:22:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-12-02 16:22:42,892 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:42,921 INFO L225 Difference]: With dead ends: 21305 [2023-12-02 16:22:42,921 INFO L226 Difference]: Without dead ends: 21305 [2023-12-02 16:22:42,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3228 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1598, Invalid=8704, Unknown=0, NotChecked=0, Total=10302 [2023-12-02 16:22:42,922 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1864 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1864 SdHoareTripleChecker+Valid, 3613 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:42,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1864 Valid, 3613 Invalid, 3419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:22:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21305 states. [2023-12-02 16:22:43,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21305 to 11753. [2023-12-02 16:22:43,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11753 states, 11751 states have (on average 2.8463109522593824) internal successors, (33447), 11752 states have internal predecessors, (33447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11753 states to 11753 states and 33447 transitions. [2023-12-02 16:22:43,159 INFO L78 Accepts]: Start accepts. Automaton has 11753 states and 33447 transitions. Word has length 106 [2023-12-02 16:22:43,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:43,159 INFO L495 AbstractCegarLoop]: Abstraction has 11753 states and 33447 transitions. [2023-12-02 16:22:43,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 11753 states and 33447 transitions. [2023-12-02 16:22:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:43,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:43,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:43,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-02 16:22:43,171 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:43,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1688350945, now seen corresponding path program 63 times [2023-12-02 16:22:43,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:43,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541592638] [2023-12-02 16:22:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:43,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:44,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:44,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541592638] [2023-12-02 16:22:44,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541592638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:44,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:44,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:44,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10047557] [2023-12-02 16:22:44,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:44,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:44,075 INFO L87 Difference]: Start difference. First operand 11753 states and 33447 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:48,398 INFO L93 Difference]: Finished difference Result 17715 states and 49690 transitions. [2023-12-02 16:22:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 16:22:48,399 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:48,422 INFO L225 Difference]: With dead ends: 17715 [2023-12-02 16:22:48,422 INFO L226 Difference]: Without dead ends: 17715 [2023-12-02 16:22:48,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3368 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1624, Invalid=8882, Unknown=0, NotChecked=0, Total=10506 [2023-12-02 16:22:48,423 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 1463 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 3100 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 3368 SdHoareTripleChecker+Invalid, 3255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 3100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:48,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 3368 Invalid, 3255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 3100 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 16:22:48,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17715 states. [2023-12-02 16:22:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17715 to 11753. [2023-12-02 16:22:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11753 states, 11751 states have (on average 2.8463109522593824) internal successors, (33447), 11752 states have internal predecessors, (33447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11753 states to 11753 states and 33447 transitions. [2023-12-02 16:22:48,629 INFO L78 Accepts]: Start accepts. Automaton has 11753 states and 33447 transitions. Word has length 106 [2023-12-02 16:22:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:48,629 INFO L495 AbstractCegarLoop]: Abstraction has 11753 states and 33447 transitions. [2023-12-02 16:22:48,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 11753 states and 33447 transitions. [2023-12-02 16:22:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:48,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:48,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:48,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-02 16:22:48,640 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:48,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:48,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1807101505, now seen corresponding path program 64 times [2023-12-02 16:22:48,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:48,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502929477] [2023-12-02 16:22:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:49,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:49,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502929477] [2023-12-02 16:22:49,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502929477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:49,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:49,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:49,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048461109] [2023-12-02 16:22:49,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:49,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:49,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:49,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:49,614 INFO L87 Difference]: Start difference. First operand 11753 states and 33447 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:52,659 INFO L93 Difference]: Finished difference Result 16500 states and 46281 transitions. [2023-12-02 16:22:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 16:22:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:52,682 INFO L225 Difference]: With dead ends: 16500 [2023-12-02 16:22:52,682 INFO L226 Difference]: Without dead ends: 16500 [2023-12-02 16:22:52,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=706, Invalid=3584, Unknown=0, NotChecked=0, Total=4290 [2023-12-02 16:22:52,683 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1181 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 2737 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 3042 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:52,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 3042 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2737 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 16:22:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16500 states. [2023-12-02 16:22:52,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16500 to 11777. [2023-12-02 16:22:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11777 states, 11775 states have (on average 2.8466242038216563) internal successors, (33519), 11776 states have internal predecessors, (33519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11777 states to 11777 states and 33519 transitions. [2023-12-02 16:22:52,915 INFO L78 Accepts]: Start accepts. Automaton has 11777 states and 33519 transitions. Word has length 106 [2023-12-02 16:22:52,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:52,916 INFO L495 AbstractCegarLoop]: Abstraction has 11777 states and 33519 transitions. [2023-12-02 16:22:52,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 11777 states and 33519 transitions. [2023-12-02 16:22:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:52,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:52,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:52,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-02 16:22:52,927 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:52,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:52,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1344030629, now seen corresponding path program 65 times [2023-12-02 16:22:52,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:52,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739383442] [2023-12-02 16:22:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:53,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:53,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739383442] [2023-12-02 16:22:53,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739383442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:53,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:53,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:53,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069995766] [2023-12-02 16:22:53,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:53,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:53,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:53,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:53,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:53,863 INFO L87 Difference]: Start difference. First operand 11777 states and 33519 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:22:57,598 INFO L93 Difference]: Finished difference Result 16811 states and 47163 transitions. [2023-12-02 16:22:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 16:22:57,598 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:22:57,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:22:57,621 INFO L225 Difference]: With dead ends: 16811 [2023-12-02 16:22:57,621 INFO L226 Difference]: Without dead ends: 16811 [2023-12-02 16:22:57,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=778, Invalid=4052, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 16:22:57,621 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 1305 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 3799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:22:57,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 3970 Invalid, 3799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:22:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16811 states. [2023-12-02 16:22:57,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16811 to 11765. [2023-12-02 16:22:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11765 states, 11763 states have (on average 2.846467737821984) internal successors, (33483), 11764 states have internal predecessors, (33483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11765 states to 11765 states and 33483 transitions. [2023-12-02 16:22:57,885 INFO L78 Accepts]: Start accepts. Automaton has 11765 states and 33483 transitions. Word has length 106 [2023-12-02 16:22:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:22:57,885 INFO L495 AbstractCegarLoop]: Abstraction has 11765 states and 33483 transitions. [2023-12-02 16:22:57,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:22:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 11765 states and 33483 transitions. [2023-12-02 16:22:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:22:57,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:22:57,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:22:57,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-02 16:22:57,895 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:22:57,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:22:57,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1147982145, now seen corresponding path program 66 times [2023-12-02 16:22:57,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:22:57,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972519639] [2023-12-02 16:22:57,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:22:57,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:22:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:22:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:22:58,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:22:58,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972519639] [2023-12-02 16:22:58,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972519639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:22:58,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:22:58,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:22:58,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515623370] [2023-12-02 16:22:58,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:22:58,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:22:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:22:58,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:22:58,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:22:58,817 INFO L87 Difference]: Start difference. First operand 11765 states and 33483 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:06,256 INFO L93 Difference]: Finished difference Result 22314 states and 62213 transitions. [2023-12-02 16:23:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 16:23:06,256 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:06,287 INFO L225 Difference]: With dead ends: 22314 [2023-12-02 16:23:06,287 INFO L226 Difference]: Without dead ends: 22314 [2023-12-02 16:23:06,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4496 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2557, Invalid=12449, Unknown=0, NotChecked=0, Total=15006 [2023-12-02 16:23:06,288 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 2203 mSDsluCounter, 4092 mSDsCounter, 0 mSdLazyCounter, 4160 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2203 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 4323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 4160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:06,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2203 Valid, 4514 Invalid, 4323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 4160 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:23:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22314 states. [2023-12-02 16:23:06,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22314 to 11741. [2023-12-02 16:23:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11741 states, 11739 states have (on average 2.8461538461538463) internal successors, (33411), 11740 states have internal predecessors, (33411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11741 states to 11741 states and 33411 transitions. [2023-12-02 16:23:06,528 INFO L78 Accepts]: Start accepts. Automaton has 11741 states and 33411 transitions. Word has length 106 [2023-12-02 16:23:06,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:06,528 INFO L495 AbstractCegarLoop]: Abstraction has 11741 states and 33411 transitions. [2023-12-02 16:23:06,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 11741 states and 33411 transitions. [2023-12-02 16:23:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:06,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:06,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:06,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-02 16:23:06,539 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:06,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:06,539 INFO L85 PathProgramCache]: Analyzing trace with hash -716003223, now seen corresponding path program 67 times [2023-12-02 16:23:06,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:06,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198142551] [2023-12-02 16:23:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:06,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:07,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198142551] [2023-12-02 16:23:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198142551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:07,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:07,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:07,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684380640] [2023-12-02 16:23:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:07,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:07,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:07,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:07,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:07,411 INFO L87 Difference]: Start difference. First operand 11741 states and 33411 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:12,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:12,146 INFO L93 Difference]: Finished difference Result 17502 states and 49146 transitions. [2023-12-02 16:23:12,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 16:23:12,146 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:12,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:12,169 INFO L225 Difference]: With dead ends: 17502 [2023-12-02 16:23:12,169 INFO L226 Difference]: Without dead ends: 17502 [2023-12-02 16:23:12,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2291 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1216, Invalid=6440, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 16:23:12,170 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1197 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 4798 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 5101 SdHoareTripleChecker+Invalid, 4948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 4798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:12,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 5101 Invalid, 4948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 4798 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 16:23:12,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17502 states. [2023-12-02 16:23:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17502 to 11729. [2023-12-02 16:23:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11729 states, 11727 states have (on average 2.845996418521361) internal successors, (33375), 11728 states have internal predecessors, (33375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11729 states to 11729 states and 33375 transitions. [2023-12-02 16:23:12,372 INFO L78 Accepts]: Start accepts. Automaton has 11729 states and 33375 transitions. Word has length 106 [2023-12-02 16:23:12,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:12,373 INFO L495 AbstractCegarLoop]: Abstraction has 11729 states and 33375 transitions. [2023-12-02 16:23:12,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 11729 states and 33375 transitions. [2023-12-02 16:23:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:12,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:12,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:12,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-02 16:23:12,384 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:12,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1942109539, now seen corresponding path program 68 times [2023-12-02 16:23:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493064862] [2023-12-02 16:23:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:13,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493064862] [2023-12-02 16:23:13,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493064862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:13,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260849334] [2023-12-02 16:23:13,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:13,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:13,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:13,440 INFO L87 Difference]: Start difference. First operand 11729 states and 33375 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:17,347 INFO L93 Difference]: Finished difference Result 16540 states and 46374 transitions. [2023-12-02 16:23:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 16:23:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:17,370 INFO L225 Difference]: With dead ends: 16540 [2023-12-02 16:23:17,370 INFO L226 Difference]: Without dead ends: 16540 [2023-12-02 16:23:17,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=756, Invalid=3800, Unknown=0, NotChecked=0, Total=4556 [2023-12-02 16:23:17,371 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1302 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 3863 SdHoareTripleChecker+Invalid, 3639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:17,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 3863 Invalid, 3639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 16:23:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16540 states. [2023-12-02 16:23:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16540 to 11737. [2023-12-02 16:23:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11737 states, 11735 states have (on average 2.846101406050277) internal successors, (33399), 11736 states have internal predecessors, (33399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11737 states to 11737 states and 33399 transitions. [2023-12-02 16:23:17,572 INFO L78 Accepts]: Start accepts. Automaton has 11737 states and 33399 transitions. Word has length 106 [2023-12-02 16:23:17,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:17,572 INFO L495 AbstractCegarLoop]: Abstraction has 11737 states and 33399 transitions. [2023-12-02 16:23:17,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 11737 states and 33399 transitions. [2023-12-02 16:23:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:17,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:17,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:17,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-02 16:23:17,583 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:17,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:17,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1484155941, now seen corresponding path program 69 times [2023-12-02 16:23:17,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:17,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511726469] [2023-12-02 16:23:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:17,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:18,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:18,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511726469] [2023-12-02 16:23:18,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511726469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:18,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:18,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:18,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066237520] [2023-12-02 16:23:18,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:18,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:18,588 INFO L87 Difference]: Start difference. First operand 11737 states and 33399 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:22,882 INFO L93 Difference]: Finished difference Result 16950 states and 47544 transitions. [2023-12-02 16:23:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 16:23:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:22,906 INFO L225 Difference]: With dead ends: 16950 [2023-12-02 16:23:22,906 INFO L226 Difference]: Without dead ends: 16950 [2023-12-02 16:23:22,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=923, Invalid=5083, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 16:23:22,907 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1135 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 4099 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 4393 SdHoareTripleChecker+Invalid, 4221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 4099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:22,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 4393 Invalid, 4221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 4099 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:23:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16950 states. [2023-12-02 16:23:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16950 to 11733. [2023-12-02 16:23:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11733 states, 11731 states have (on average 2.84604893018498) internal successors, (33387), 11732 states have internal predecessors, (33387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11733 states to 11733 states and 33387 transitions. [2023-12-02 16:23:23,138 INFO L78 Accepts]: Start accepts. Automaton has 11733 states and 33387 transitions. Word has length 106 [2023-12-02 16:23:23,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:23,138 INFO L495 AbstractCegarLoop]: Abstraction has 11733 states and 33387 transitions. [2023-12-02 16:23:23,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 11733 states and 33387 transitions. [2023-12-02 16:23:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:23,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:23,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:23,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-02 16:23:23,149 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:23,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:23,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1221899107, now seen corresponding path program 70 times [2023-12-02 16:23:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:23,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141127017] [2023-12-02 16:23:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:24,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:24,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141127017] [2023-12-02 16:23:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141127017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:24,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:24,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726860882] [2023-12-02 16:23:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:24,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:24,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:24,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:24,105 INFO L87 Difference]: Start difference. First operand 11733 states and 33387 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:32,536 INFO L93 Difference]: Finished difference Result 22523 states and 62785 transitions. [2023-12-02 16:23:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-12-02 16:23:32,536 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:32,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:32,567 INFO L225 Difference]: With dead ends: 22523 [2023-12-02 16:23:32,567 INFO L226 Difference]: Without dead ends: 22523 [2023-12-02 16:23:32,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5225 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2804, Invalid=14226, Unknown=0, NotChecked=0, Total=17030 [2023-12-02 16:23:32,568 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 2031 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 5085 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 5476 SdHoareTripleChecker+Invalid, 5281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 5085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:32,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 5476 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 5085 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 16:23:32,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22523 states. [2023-12-02 16:23:32,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22523 to 11701. [2023-12-02 16:23:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11701 states, 11699 states have (on average 2.8456278314385846) internal successors, (33291), 11700 states have internal predecessors, (33291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11701 states to 11701 states and 33291 transitions. [2023-12-02 16:23:32,808 INFO L78 Accepts]: Start accepts. Automaton has 11701 states and 33291 transitions. Word has length 106 [2023-12-02 16:23:32,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:32,808 INFO L495 AbstractCegarLoop]: Abstraction has 11701 states and 33291 transitions. [2023-12-02 16:23:32,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 11701 states and 33291 transitions. [2023-12-02 16:23:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:32,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:32,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:32,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-02 16:23:32,819 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:32,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1082797447, now seen corresponding path program 71 times [2023-12-02 16:23:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:32,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183169075] [2023-12-02 16:23:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:33,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:33,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183169075] [2023-12-02 16:23:33,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183169075] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:33,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:33,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:33,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731094359] [2023-12-02 16:23:33,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:33,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:33,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:33,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:33,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:33,758 INFO L87 Difference]: Start difference. First operand 11701 states and 33291 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:39,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:39,546 INFO L93 Difference]: Finished difference Result 17728 states and 49780 transitions. [2023-12-02 16:23:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 16:23:39,546 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:39,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:39,571 INFO L225 Difference]: With dead ends: 17728 [2023-12-02 16:23:39,571 INFO L226 Difference]: Without dead ends: 17728 [2023-12-02 16:23:39,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3451 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1576, Invalid=9136, Unknown=0, NotChecked=0, Total=10712 [2023-12-02 16:23:39,572 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1208 mSDsluCounter, 5119 mSDsCounter, 0 mSdLazyCounter, 5265 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 5479 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 5265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:39,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 5479 Invalid, 5413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 5265 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 16:23:39,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17728 states. [2023-12-02 16:23:39,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17728 to 11697. [2023-12-02 16:23:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11697 states, 11695 states have (on average 2.845575032064985) internal successors, (33279), 11696 states have internal predecessors, (33279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11697 states to 11697 states and 33279 transitions. [2023-12-02 16:23:39,799 INFO L78 Accepts]: Start accepts. Automaton has 11697 states and 33279 transitions. Word has length 106 [2023-12-02 16:23:39,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:39,799 INFO L495 AbstractCegarLoop]: Abstraction has 11697 states and 33279 transitions. [2023-12-02 16:23:39,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 11697 states and 33279 transitions. [2023-12-02 16:23:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:39,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:39,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:39,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-02 16:23:39,811 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:39,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2074807107, now seen corresponding path program 72 times [2023-12-02 16:23:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765811928] [2023-12-02 16:23:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:40,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:40,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765811928] [2023-12-02 16:23:40,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765811928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:40,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:40,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:40,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952835063] [2023-12-02 16:23:40,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:40,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:40,881 INFO L87 Difference]: Start difference. First operand 11697 states and 33279 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:44,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:44,606 INFO L93 Difference]: Finished difference Result 16201 states and 45499 transitions. [2023-12-02 16:23:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 16:23:44,607 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:44,628 INFO L225 Difference]: With dead ends: 16201 [2023-12-02 16:23:44,628 INFO L226 Difference]: Without dead ends: 16201 [2023-12-02 16:23:44,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=638, Invalid=3144, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:23:44,629 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1313 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 3272 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:44,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 3728 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 3272 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:23:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16201 states. [2023-12-02 16:23:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16201 to 11695. [2023-12-02 16:23:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11695 states, 11693 states have (on average 2.8455486188317796) internal successors, (33273), 11694 states have internal predecessors, (33273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11695 states to 11695 states and 33273 transitions. [2023-12-02 16:23:44,831 INFO L78 Accepts]: Start accepts. Automaton has 11695 states and 33273 transitions. Word has length 106 [2023-12-02 16:23:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:44,831 INFO L495 AbstractCegarLoop]: Abstraction has 11695 states and 33273 transitions. [2023-12-02 16:23:44,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 11695 states and 33273 transitions. [2023-12-02 16:23:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:44,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:44,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:44,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-02 16:23:44,843 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:44,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:44,844 INFO L85 PathProgramCache]: Analyzing trace with hash -29543773, now seen corresponding path program 73 times [2023-12-02 16:23:44,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:44,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343087490] [2023-12-02 16:23:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:45,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:45,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343087490] [2023-12-02 16:23:45,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343087490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:45,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:45,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:45,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856075295] [2023-12-02 16:23:45,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:45,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:45,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:45,867 INFO L87 Difference]: Start difference. First operand 11695 states and 33273 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:49,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:49,986 INFO L93 Difference]: Finished difference Result 16535 states and 46449 transitions. [2023-12-02 16:23:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 16:23:49,987 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:50,014 INFO L225 Difference]: With dead ends: 16535 [2023-12-02 16:23:50,014 INFO L226 Difference]: Without dead ends: 16535 [2023-12-02 16:23:50,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=780, Invalid=4332, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 16:23:50,015 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 1319 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 3362 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 3679 SdHoareTripleChecker+Invalid, 3463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:50,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 3679 Invalid, 3463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3362 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:23:50,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16535 states. [2023-12-02 16:23:50,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16535 to 11693. [2023-12-02 16:23:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11693 states, 11691 states have (on average 2.8455221965614577) internal successors, (33267), 11692 states have internal predecessors, (33267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11693 states to 11693 states and 33267 transitions. [2023-12-02 16:23:50,239 INFO L78 Accepts]: Start accepts. Automaton has 11693 states and 33267 transitions. Word has length 106 [2023-12-02 16:23:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:50,240 INFO L495 AbstractCegarLoop]: Abstraction has 11693 states and 33267 transitions. [2023-12-02 16:23:50,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 11693 states and 33267 transitions. [2023-12-02 16:23:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:50,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:50,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:50,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-02 16:23:50,253 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:50,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:50,253 INFO L85 PathProgramCache]: Analyzing trace with hash -927683331, now seen corresponding path program 74 times [2023-12-02 16:23:50,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:50,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323442706] [2023-12-02 16:23:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:23:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:23:51,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:23:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323442706] [2023-12-02 16:23:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323442706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:23:51,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:23:51,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:23:51,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28451856] [2023-12-02 16:23:51,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:23:51,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:23:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:23:51,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:23:51,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:23:51,271 INFO L87 Difference]: Start difference. First operand 11693 states and 33267 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:58,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:23:58,688 INFO L93 Difference]: Finished difference Result 22075 states and 61595 transitions. [2023-12-02 16:23:58,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-12-02 16:23:58,689 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:23:58,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:23:58,721 INFO L225 Difference]: With dead ends: 22075 [2023-12-02 16:23:58,721 INFO L226 Difference]: Without dead ends: 22075 [2023-12-02 16:23:58,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3345 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1976, Invalid=9796, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 16:23:58,723 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 1750 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 5003 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 5576 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 5003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:23:58,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1750 Valid, 5576 Invalid, 5139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 5003 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:23:58,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22075 states. [2023-12-02 16:23:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22075 to 11683. [2023-12-02 16:23:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11683 states, 11681 states have (on average 2.8453899494906256) internal successors, (33237), 11682 states have internal predecessors, (33237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11683 states to 11683 states and 33237 transitions. [2023-12-02 16:23:59,006 INFO L78 Accepts]: Start accepts. Automaton has 11683 states and 33237 transitions. Word has length 106 [2023-12-02 16:23:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:23:59,006 INFO L495 AbstractCegarLoop]: Abstraction has 11683 states and 33237 transitions. [2023-12-02 16:23:59,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:23:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 11683 states and 33237 transitions. [2023-12-02 16:23:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:23:59,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:23:59,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:23:59,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-02 16:23:59,019 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:23:59,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:23:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1707231813, now seen corresponding path program 75 times [2023-12-02 16:23:59,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:23:59,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699904711] [2023-12-02 16:23:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:23:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:23:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:00,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699904711] [2023-12-02 16:24:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699904711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:00,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:00,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130830329] [2023-12-02 16:24:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:00,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:00,155 INFO L87 Difference]: Start difference. First operand 11683 states and 33237 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:05,956 INFO L93 Difference]: Finished difference Result 17342 states and 48756 transitions. [2023-12-02 16:24:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-12-02 16:24:05,956 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:05,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:05,981 INFO L225 Difference]: With dead ends: 17342 [2023-12-02 16:24:05,982 INFO L226 Difference]: Without dead ends: 17342 [2023-12-02 16:24:05,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2892 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1325, Invalid=7795, Unknown=0, NotChecked=0, Total=9120 [2023-12-02 16:24:05,983 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1146 mSDsluCounter, 4850 mSDsCounter, 0 mSdLazyCounter, 4853 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 4853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:05,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 5210 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 4853 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:24:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2023-12-02 16:24:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 11645. [2023-12-02 16:24:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11645 states, 11643 states have (on average 2.8448853388301982) internal successors, (33123), 11644 states have internal predecessors, (33123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11645 states to 11645 states and 33123 transitions. [2023-12-02 16:24:06,210 INFO L78 Accepts]: Start accepts. Automaton has 11645 states and 33123 transitions. Word has length 106 [2023-12-02 16:24:06,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:06,211 INFO L495 AbstractCegarLoop]: Abstraction has 11645 states and 33123 transitions. [2023-12-02 16:24:06,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11645 states and 33123 transitions. [2023-12-02 16:24:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:06,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:06,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:06,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-02 16:24:06,223 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:06,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1524557155, now seen corresponding path program 76 times [2023-12-02 16:24:06,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:06,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756751995] [2023-12-02 16:24:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:07,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:07,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756751995] [2023-12-02 16:24:07,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756751995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:07,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:07,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:07,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586177998] [2023-12-02 16:24:07,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:07,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:07,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:07,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:07,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:07,142 INFO L87 Difference]: Start difference. First operand 11645 states and 33123 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:12,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:12,850 INFO L93 Difference]: Finished difference Result 21428 states and 60290 transitions. [2023-12-02 16:24:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 16:24:12,851 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:12,882 INFO L225 Difference]: With dead ends: 21428 [2023-12-02 16:24:12,882 INFO L226 Difference]: Without dead ends: 21428 [2023-12-02 16:24:12,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3183 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1503, Invalid=8597, Unknown=0, NotChecked=0, Total=10100 [2023-12-02 16:24:12,883 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 1772 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:12,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 5335 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 16:24:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21428 states. [2023-12-02 16:24:13,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21428 to 12005. [2023-12-02 16:24:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12005 states, 12003 states have (on average 2.849537615596101) internal successors, (34203), 12004 states have internal predecessors, (34203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12005 states to 12005 states and 34203 transitions. [2023-12-02 16:24:13,149 INFO L78 Accepts]: Start accepts. Automaton has 12005 states and 34203 transitions. Word has length 106 [2023-12-02 16:24:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:13,149 INFO L495 AbstractCegarLoop]: Abstraction has 12005 states and 34203 transitions. [2023-12-02 16:24:13,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 12005 states and 34203 transitions. [2023-12-02 16:24:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:13,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:13,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:13,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-02 16:24:13,163 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:13,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:13,163 INFO L85 PathProgramCache]: Analyzing trace with hash -429020189, now seen corresponding path program 77 times [2023-12-02 16:24:13,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:13,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443220871] [2023-12-02 16:24:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:13,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:14,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:14,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443220871] [2023-12-02 16:24:14,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443220871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:14,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:14,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:14,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109116506] [2023-12-02 16:24:14,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:14,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:14,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:14,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:14,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:14,166 INFO L87 Difference]: Start difference. First operand 12005 states and 34203 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:19,959 INFO L93 Difference]: Finished difference Result 18293 states and 51486 transitions. [2023-12-02 16:24:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-12-02 16:24:19,960 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:19,988 INFO L225 Difference]: With dead ends: 18293 [2023-12-02 16:24:19,988 INFO L226 Difference]: Without dead ends: 18293 [2023-12-02 16:24:19,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3563 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1592, Invalid=9328, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 16:24:19,989 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1535 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 4912 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 5400 SdHoareTripleChecker+Invalid, 5054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:19,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 5400 Invalid, 5054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4912 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 16:24:20,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18293 states. [2023-12-02 16:24:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18293 to 11765. [2023-12-02 16:24:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11765 states, 11763 states have (on average 2.846467737821984) internal successors, (33483), 11764 states have internal predecessors, (33483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11765 states to 11765 states and 33483 transitions. [2023-12-02 16:24:20,228 INFO L78 Accepts]: Start accepts. Automaton has 11765 states and 33483 transitions. Word has length 106 [2023-12-02 16:24:20,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:20,228 INFO L495 AbstractCegarLoop]: Abstraction has 11765 states and 33483 transitions. [2023-12-02 16:24:20,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 11765 states and 33483 transitions. [2023-12-02 16:24:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:20,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:20,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:20,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-02 16:24:20,240 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:20,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:20,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1059256893, now seen corresponding path program 78 times [2023-12-02 16:24:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:20,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881688965] [2023-12-02 16:24:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:21,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:21,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881688965] [2023-12-02 16:24:21,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881688965] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:21,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622332341] [2023-12-02 16:24:21,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:21,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:21,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:21,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:21,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:21,177 INFO L87 Difference]: Start difference. First operand 11765 states and 33483 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:27,227 INFO L93 Difference]: Finished difference Result 17420 states and 48953 transitions. [2023-12-02 16:24:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 16:24:27,228 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:27,253 INFO L225 Difference]: With dead ends: 17420 [2023-12-02 16:24:27,253 INFO L226 Difference]: Without dead ends: 17420 [2023-12-02 16:24:27,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3085 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1403, Invalid=8299, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 16:24:27,254 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1393 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 5576 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 5576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:27,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 6009 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 5576 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 16:24:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17420 states. [2023-12-02 16:24:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17420 to 11765. [2023-12-02 16:24:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11765 states, 11763 states have (on average 2.846467737821984) internal successors, (33483), 11764 states have internal predecessors, (33483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11765 states to 11765 states and 33483 transitions. [2023-12-02 16:24:27,488 INFO L78 Accepts]: Start accepts. Automaton has 11765 states and 33483 transitions. Word has length 106 [2023-12-02 16:24:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:27,488 INFO L495 AbstractCegarLoop]: Abstraction has 11765 states and 33483 transitions. [2023-12-02 16:24:27,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 11765 states and 33483 transitions. [2023-12-02 16:24:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:27,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:27,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:27,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-02 16:24:27,501 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:27,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:27,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1468620955, now seen corresponding path program 79 times [2023-12-02 16:24:27,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:27,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064051020] [2023-12-02 16:24:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:27,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:28,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064051020] [2023-12-02 16:24:28,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064051020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:28,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:28,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:28,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685989021] [2023-12-02 16:24:28,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:28,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:28,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:28,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:28,403 INFO L87 Difference]: Start difference. First operand 11765 states and 33483 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:34,145 INFO L93 Difference]: Finished difference Result 25027 states and 70112 transitions. [2023-12-02 16:24:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 16:24:34,146 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:34,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:34,190 INFO L225 Difference]: With dead ends: 25027 [2023-12-02 16:24:34,190 INFO L226 Difference]: Without dead ends: 25027 [2023-12-02 16:24:34,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3413 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1697, Invalid=9015, Unknown=0, NotChecked=0, Total=10712 [2023-12-02 16:24:34,192 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1787 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 4244 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 4244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:34,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 4924 Invalid, 4393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 4244 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:24:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25027 states. [2023-12-02 16:24:34,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25027 to 12365. [2023-12-02 16:24:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12365 states, 12363 states have (on average 2.85391895171075) internal successors, (35283), 12364 states have internal predecessors, (35283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12365 states to 12365 states and 35283 transitions. [2023-12-02 16:24:34,528 INFO L78 Accepts]: Start accepts. Automaton has 12365 states and 35283 transitions. Word has length 106 [2023-12-02 16:24:34,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:34,529 INFO L495 AbstractCegarLoop]: Abstraction has 12365 states and 35283 transitions. [2023-12-02 16:24:34,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12365 states and 35283 transitions. [2023-12-02 16:24:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:34,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:34,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:34,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-02 16:24:34,541 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:34,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:34,542 INFO L85 PathProgramCache]: Analyzing trace with hash 872768997, now seen corresponding path program 80 times [2023-12-02 16:24:34,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:34,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065619617] [2023-12-02 16:24:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:34,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:35,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:35,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065619617] [2023-12-02 16:24:35,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065619617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:35,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:35,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:35,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313410478] [2023-12-02 16:24:35,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:35,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:35,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:35,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:35,417 INFO L87 Difference]: Start difference. First operand 12365 states and 35283 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:41,977 INFO L93 Difference]: Finished difference Result 21892 states and 61308 transitions. [2023-12-02 16:24:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-12-02 16:24:41,977 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:42,012 INFO L225 Difference]: With dead ends: 21892 [2023-12-02 16:24:42,012 INFO L226 Difference]: Without dead ends: 21892 [2023-12-02 16:24:42,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3786 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1768, Invalid=9788, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 16:24:42,014 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 1525 mSDsluCounter, 5927 mSDsCounter, 0 mSdLazyCounter, 5584 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 6322 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 5584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:42,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 6322 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 5584 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 16:24:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21892 states. [2023-12-02 16:24:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21892 to 12125. [2023-12-02 16:24:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12125 states, 12123 states have (on average 2.8510269735214058) internal successors, (34563), 12124 states have internal predecessors, (34563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12125 states to 12125 states and 34563 transitions. [2023-12-02 16:24:42,293 INFO L78 Accepts]: Start accepts. Automaton has 12125 states and 34563 transitions. Word has length 106 [2023-12-02 16:24:42,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:42,293 INFO L495 AbstractCegarLoop]: Abstraction has 12125 states and 34563 transitions. [2023-12-02 16:24:42,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12125 states and 34563 transitions. [2023-12-02 16:24:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:42,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:42,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:42,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-02 16:24:42,306 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:42,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:42,306 INFO L85 PathProgramCache]: Analyzing trace with hash 242532293, now seen corresponding path program 81 times [2023-12-02 16:24:42,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:42,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682725379] [2023-12-02 16:24:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:42,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:43,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:43,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682725379] [2023-12-02 16:24:43,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682725379] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:43,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:43,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:43,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139859304] [2023-12-02 16:24:43,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:43,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:43,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:43,242 INFO L87 Difference]: Start difference. First operand 12125 states and 34563 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:48,768 INFO L93 Difference]: Finished difference Result 21398 states and 59868 transitions. [2023-12-02 16:24:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-12-02 16:24:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:48,801 INFO L225 Difference]: With dead ends: 21398 [2023-12-02 16:24:48,801 INFO L226 Difference]: Without dead ends: 21398 [2023-12-02 16:24:48,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1549, Invalid=8753, Unknown=0, NotChecked=0, Total=10302 [2023-12-02 16:24:48,802 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 1591 mSDsluCounter, 4363 mSDsCounter, 0 mSdLazyCounter, 4245 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 4412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 4245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:48,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 4760 Invalid, 4412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 4245 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 16:24:48,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21398 states. [2023-12-02 16:24:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21398 to 12005. [2023-12-02 16:24:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12005 states, 12003 states have (on average 2.849537615596101) internal successors, (34203), 12004 states have internal predecessors, (34203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12005 states to 12005 states and 34203 transitions. [2023-12-02 16:24:49,066 INFO L78 Accepts]: Start accepts. Automaton has 12005 states and 34203 transitions. Word has length 106 [2023-12-02 16:24:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:49,067 INFO L495 AbstractCegarLoop]: Abstraction has 12005 states and 34203 transitions. [2023-12-02 16:24:49,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12005 states and 34203 transitions. [2023-12-02 16:24:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:49,079 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:49,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:49,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-02 16:24:49,080 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:49,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash -278716063, now seen corresponding path program 82 times [2023-12-02 16:24:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331611096] [2023-12-02 16:24:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:50,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:50,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331611096] [2023-12-02 16:24:50,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331611096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:50,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:50,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891477841] [2023-12-02 16:24:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:50,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:50,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:50,022 INFO L87 Difference]: Start difference. First operand 12005 states and 34203 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:55,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:24:55,484 INFO L93 Difference]: Finished difference Result 21598 states and 60411 transitions. [2023-12-02 16:24:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 16:24:55,484 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:24:55,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:24:55,517 INFO L225 Difference]: With dead ends: 21598 [2023-12-02 16:24:55,517 INFO L226 Difference]: Without dead ends: 21598 [2023-12-02 16:24:55,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2870 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1518, Invalid=7988, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 16:24:55,519 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 1569 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 4946 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:24:55,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 4946 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 16:24:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21598 states. [2023-12-02 16:24:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21598 to 12005. [2023-12-02 16:24:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12005 states, 12003 states have (on average 2.849537615596101) internal successors, (34203), 12004 states have internal predecessors, (34203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12005 states to 12005 states and 34203 transitions. [2023-12-02 16:24:55,786 INFO L78 Accepts]: Start accepts. Automaton has 12005 states and 34203 transitions. Word has length 106 [2023-12-02 16:24:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:24:55,786 INFO L495 AbstractCegarLoop]: Abstraction has 12005 states and 34203 transitions. [2023-12-02 16:24:55,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:24:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12005 states and 34203 transitions. [2023-12-02 16:24:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:24:55,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:24:55,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:24:55,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-02 16:24:55,799 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:24:55,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:24:55,799 INFO L85 PathProgramCache]: Analyzing trace with hash 375181061, now seen corresponding path program 83 times [2023-12-02 16:24:55,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:24:55,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487301110] [2023-12-02 16:24:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:24:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:24:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:24:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:24:56,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:24:56,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487301110] [2023-12-02 16:24:56,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487301110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:24:56,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:24:56,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:24:56,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454777594] [2023-12-02 16:24:56,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:24:56,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:24:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:24:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:24:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:24:56,917 INFO L87 Difference]: Start difference. First operand 12005 states and 34203 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:01,430 INFO L93 Difference]: Finished difference Result 16617 states and 46598 transitions. [2023-12-02 16:25:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 16:25:01,430 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:01,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:01,453 INFO L225 Difference]: With dead ends: 16617 [2023-12-02 16:25:01,453 INFO L226 Difference]: Without dead ends: 16617 [2023-12-02 16:25:01,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=758, Invalid=3664, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 16:25:01,453 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 1327 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 3728 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 4360 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:01,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 4360 Invalid, 3846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3728 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:25:01,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16617 states. [2023-12-02 16:25:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16617 to 12072. [2023-12-02 16:25:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12072 states, 12070 states have (on average 2.8503728251864127) internal successors, (34404), 12071 states have internal predecessors, (34404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12072 states to 12072 states and 34404 transitions. [2023-12-02 16:25:01,647 INFO L78 Accepts]: Start accepts. Automaton has 12072 states and 34404 transitions. Word has length 106 [2023-12-02 16:25:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:01,647 INFO L495 AbstractCegarLoop]: Abstraction has 12072 states and 34404 transitions. [2023-12-02 16:25:01,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12072 states and 34404 transitions. [2023-12-02 16:25:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:01,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:01,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:01,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-02 16:25:01,658 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:01,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:01,658 INFO L85 PathProgramCache]: Analyzing trace with hash -307989479, now seen corresponding path program 84 times [2023-12-02 16:25:01,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:01,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143666350] [2023-12-02 16:25:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:02,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143666350] [2023-12-02 16:25:02,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143666350] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:02,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:02,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:02,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317448957] [2023-12-02 16:25:02,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:02,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:02,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:02,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:02,774 INFO L87 Difference]: Start difference. First operand 12072 states and 34404 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:06,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:06,290 INFO L93 Difference]: Finished difference Result 16581 states and 46511 transitions. [2023-12-02 16:25:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 16:25:06,290 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:06,320 INFO L225 Difference]: With dead ends: 16581 [2023-12-02 16:25:06,320 INFO L226 Difference]: Without dead ends: 16581 [2023-12-02 16:25:06,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 978 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=680, Invalid=3352, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:25:06,321 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1349 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2073 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:06,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 2456 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2073 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:25:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16581 states. [2023-12-02 16:25:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16581 to 12060. [2023-12-02 16:25:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12060 states, 12058 states have (on average 2.850223917730967) internal successors, (34368), 12059 states have internal predecessors, (34368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12060 states to 12060 states and 34368 transitions. [2023-12-02 16:25:06,585 INFO L78 Accepts]: Start accepts. Automaton has 12060 states and 34368 transitions. Word has length 106 [2023-12-02 16:25:06,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:06,585 INFO L495 AbstractCegarLoop]: Abstraction has 12060 states and 34368 transitions. [2023-12-02 16:25:06,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12060 states and 34368 transitions. [2023-12-02 16:25:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:06,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:06,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:06,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-02 16:25:06,599 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:06,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:06,600 INFO L85 PathProgramCache]: Analyzing trace with hash -949341253, now seen corresponding path program 85 times [2023-12-02 16:25:06,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:06,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550933154] [2023-12-02 16:25:06,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:06,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:07,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:07,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550933154] [2023-12-02 16:25:07,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550933154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:07,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:07,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:07,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054983739] [2023-12-02 16:25:07,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:07,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:07,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:07,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:07,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:07,975 INFO L87 Difference]: Start difference. First operand 12060 states and 34368 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:11,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:11,662 INFO L93 Difference]: Finished difference Result 16691 states and 46809 transitions. [2023-12-02 16:25:11,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 16:25:11,663 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:11,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:11,687 INFO L225 Difference]: With dead ends: 16691 [2023-12-02 16:25:11,687 INFO L226 Difference]: Without dead ends: 16691 [2023-12-02 16:25:11,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=740, Invalid=3816, Unknown=0, NotChecked=0, Total=4556 [2023-12-02 16:25:11,687 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1149 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:11,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 2895 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2493 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:25:11,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16691 states. [2023-12-02 16:25:11,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16691 to 12056. [2023-12-02 16:25:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12056 states, 12054 states have (on average 2.8501742160278747) internal successors, (34356), 12055 states have internal predecessors, (34356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12056 states to 12056 states and 34356 transitions. [2023-12-02 16:25:11,958 INFO L78 Accepts]: Start accepts. Automaton has 12056 states and 34356 transitions. Word has length 106 [2023-12-02 16:25:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:11,958 INFO L495 AbstractCegarLoop]: Abstraction has 12056 states and 34356 transitions. [2023-12-02 16:25:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12056 states and 34356 transitions. [2023-12-02 16:25:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:11,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:11,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:11,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-02 16:25:11,970 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:11,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1130397763, now seen corresponding path program 86 times [2023-12-02 16:25:11,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:11,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243773218] [2023-12-02 16:25:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:13,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:13,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243773218] [2023-12-02 16:25:13,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243773218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:13,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:13,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:13,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881447282] [2023-12-02 16:25:13,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:13,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:13,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:13,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:13,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:13,044 INFO L87 Difference]: Start difference. First operand 12056 states and 34356 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:17,051 INFO L93 Difference]: Finished difference Result 16510 states and 46386 transitions. [2023-12-02 16:25:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 16:25:17,051 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:17,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:17,077 INFO L225 Difference]: With dead ends: 16510 [2023-12-02 16:25:17,078 INFO L226 Difference]: Without dead ends: 16510 [2023-12-02 16:25:17,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=576, Invalid=3206, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:25:17,078 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1275 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 3337 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:17,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 3902 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 3337 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 16:25:17,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16510 states. [2023-12-02 16:25:17,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16510 to 12054. [2023-12-02 16:25:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12054 states, 12052 states have (on average 2.8501493528045136) internal successors, (34350), 12053 states have internal predecessors, (34350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12054 states to 12054 states and 34350 transitions. [2023-12-02 16:25:17,325 INFO L78 Accepts]: Start accepts. Automaton has 12054 states and 34350 transitions. Word has length 106 [2023-12-02 16:25:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:17,326 INFO L495 AbstractCegarLoop]: Abstraction has 12054 states and 34350 transitions. [2023-12-02 16:25:17,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12054 states and 34350 transitions. [2023-12-02 16:25:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:17,339 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:17,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:17,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-02 16:25:17,340 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:17,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1818719553, now seen corresponding path program 87 times [2023-12-02 16:25:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:17,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080509929] [2023-12-02 16:25:17,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:17,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:18,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:18,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080509929] [2023-12-02 16:25:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080509929] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:18,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:18,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367039879] [2023-12-02 16:25:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:18,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:18,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:18,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:18,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:18,713 INFO L87 Difference]: Start difference. First operand 12054 states and 34350 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:23,262 INFO L93 Difference]: Finished difference Result 16953 states and 47382 transitions. [2023-12-02 16:25:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 16:25:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:23,291 INFO L225 Difference]: With dead ends: 16953 [2023-12-02 16:25:23,291 INFO L226 Difference]: Without dead ends: 16953 [2023-12-02 16:25:23,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=581, Invalid=3201, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 16:25:23,292 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1314 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 3099 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:23,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 3707 Invalid, 3216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3099 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:25:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16953 states. [2023-12-02 16:25:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16953 to 12039. [2023-12-02 16:25:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12039 states, 12037 states have (on average 2.8499626152695856) internal successors, (34305), 12038 states have internal predecessors, (34305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12039 states to 12039 states and 34305 transitions. [2023-12-02 16:25:23,572 INFO L78 Accepts]: Start accepts. Automaton has 12039 states and 34305 transitions. Word has length 106 [2023-12-02 16:25:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:23,572 INFO L495 AbstractCegarLoop]: Abstraction has 12039 states and 34305 transitions. [2023-12-02 16:25:23,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12039 states and 34305 transitions. [2023-12-02 16:25:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:23,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:23,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:23,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-02 16:25:23,607 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:23,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:23,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1472017259, now seen corresponding path program 88 times [2023-12-02 16:25:23,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:23,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377956348] [2023-12-02 16:25:23,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:23,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:24,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:24,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377956348] [2023-12-02 16:25:24,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377956348] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:24,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:24,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:24,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826732420] [2023-12-02 16:25:24,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:24,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:24,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:24,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:24,899 INFO L87 Difference]: Start difference. First operand 12039 states and 34305 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:29,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:29,977 INFO L93 Difference]: Finished difference Result 16791 states and 47105 transitions. [2023-12-02 16:25:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 16:25:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:30,003 INFO L225 Difference]: With dead ends: 16791 [2023-12-02 16:25:30,003 INFO L226 Difference]: Without dead ends: 16791 [2023-12-02 16:25:30,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1579 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=946, Invalid=4906, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 16:25:30,004 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1364 mSDsluCounter, 3602 mSDsCounter, 0 mSdLazyCounter, 3532 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 3901 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:30,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 3901 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3532 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 16:25:30,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16791 states. [2023-12-02 16:25:30,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16791 to 12094. [2023-12-02 16:25:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12094 states, 12092 states have (on average 2.85047965597089) internal successors, (34468), 12093 states have internal predecessors, (34468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12094 states to 12094 states and 34468 transitions. [2023-12-02 16:25:30,246 INFO L78 Accepts]: Start accepts. Automaton has 12094 states and 34468 transitions. Word has length 106 [2023-12-02 16:25:30,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:30,246 INFO L495 AbstractCegarLoop]: Abstraction has 12094 states and 34468 transitions. [2023-12-02 16:25:30,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12094 states and 34468 transitions. [2023-12-02 16:25:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:30,261 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:30,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:30,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-02 16:25:30,261 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:30,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:30,262 INFO L85 PathProgramCache]: Analyzing trace with hash 788846719, now seen corresponding path program 89 times [2023-12-02 16:25:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:30,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38121058] [2023-12-02 16:25:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:31,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:31,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38121058] [2023-12-02 16:25:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38121058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:31,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104519533] [2023-12-02 16:25:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:31,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:31,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:31,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:31,526 INFO L87 Difference]: Start difference. First operand 12094 states and 34468 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:36,464 INFO L93 Difference]: Finished difference Result 16761 states and 47042 transitions. [2023-12-02 16:25:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:25:36,465 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:36,493 INFO L225 Difference]: With dead ends: 16761 [2023-12-02 16:25:36,493 INFO L226 Difference]: Without dead ends: 16761 [2023-12-02 16:25:36,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=870, Invalid=4532, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:25:36,494 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1330 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 3469 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 3934 SdHoareTripleChecker+Invalid, 3611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:36,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 3934 Invalid, 3611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3469 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 16:25:36,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16761 states. [2023-12-02 16:25:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16761 to 12082. [2023-12-02 16:25:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12082 states, 12080 states have (on average 2.8503311258278146) internal successors, (34432), 12081 states have internal predecessors, (34432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12082 states to 12082 states and 34432 transitions. [2023-12-02 16:25:36,744 INFO L78 Accepts]: Start accepts. Automaton has 12082 states and 34432 transitions. Word has length 106 [2023-12-02 16:25:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:36,745 INFO L495 AbstractCegarLoop]: Abstraction has 12082 states and 34432 transitions. [2023-12-02 16:25:36,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12082 states and 34432 transitions. [2023-12-02 16:25:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:36,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:36,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:36,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-02 16:25:36,758 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:36,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1932333281, now seen corresponding path program 90 times [2023-12-02 16:25:36,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:36,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562338205] [2023-12-02 16:25:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:37,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562338205] [2023-12-02 16:25:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562338205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:37,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:37,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:37,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512455171] [2023-12-02 16:25:37,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:37,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:37,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:37,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:37,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:37,883 INFO L87 Difference]: Start difference. First operand 12082 states and 34432 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:42,761 INFO L93 Difference]: Finished difference Result 17271 states and 48492 transitions. [2023-12-02 16:25:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 16:25:42,762 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:42,791 INFO L225 Difference]: With dead ends: 17271 [2023-12-02 16:25:42,791 INFO L226 Difference]: Without dead ends: 17271 [2023-12-02 16:25:42,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2053 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1204, Invalid=6106, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 16:25:42,792 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1392 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 2831 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:42,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 3180 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2831 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:25:42,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17271 states. [2023-12-02 16:25:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17271 to 12133. [2023-12-02 16:25:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12133 states, 12131 states have (on average 2.851125216387767) internal successors, (34587), 12132 states have internal predecessors, (34587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12133 states to 12133 states and 34587 transitions. [2023-12-02 16:25:43,037 INFO L78 Accepts]: Start accepts. Automaton has 12133 states and 34587 transitions. Word has length 106 [2023-12-02 16:25:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:43,038 INFO L495 AbstractCegarLoop]: Abstraction has 12133 states and 34587 transitions. [2023-12-02 16:25:43,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12133 states and 34587 transitions. [2023-12-02 16:25:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:43,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:43,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:43,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-02 16:25:43,051 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:43,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:43,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2066191225, now seen corresponding path program 91 times [2023-12-02 16:25:43,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:43,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079615317] [2023-12-02 16:25:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:43,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:44,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:44,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079615317] [2023-12-02 16:25:44,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079615317] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:44,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:44,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:44,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958512527] [2023-12-02 16:25:44,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:44,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:44,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:44,195 INFO L87 Difference]: Start difference. First operand 12133 states and 34587 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:49,376 INFO L93 Difference]: Finished difference Result 17066 states and 47911 transitions. [2023-12-02 16:25:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 16:25:49,376 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:49,399 INFO L225 Difference]: With dead ends: 17066 [2023-12-02 16:25:49,399 INFO L226 Difference]: Without dead ends: 17066 [2023-12-02 16:25:49,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=944, Invalid=5062, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 16:25:49,400 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1175 mSDsluCounter, 4534 mSDsCounter, 0 mSdLazyCounter, 4375 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 4840 SdHoareTripleChecker+Invalid, 4519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 4375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:49,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 4840 Invalid, 4519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 4375 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 16:25:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17066 states. [2023-12-02 16:25:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17066 to 12121. [2023-12-02 16:25:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12121 states, 12119 states have (on average 2.8509778034491293) internal successors, (34551), 12120 states have internal predecessors, (34551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12121 states to 12121 states and 34551 transitions. [2023-12-02 16:25:49,618 INFO L78 Accepts]: Start accepts. Automaton has 12121 states and 34551 transitions. Word has length 106 [2023-12-02 16:25:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:49,618 INFO L495 AbstractCegarLoop]: Abstraction has 12121 states and 34551 transitions. [2023-12-02 16:25:49,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 12121 states and 34551 transitions. [2023-12-02 16:25:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:49,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:49,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:49,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-02 16:25:49,630 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:49,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:49,631 INFO L85 PathProgramCache]: Analyzing trace with hash 292086527, now seen corresponding path program 92 times [2023-12-02 16:25:49,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:49,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619993817] [2023-12-02 16:25:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:49,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:50,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:50,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619993817] [2023-12-02 16:25:50,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619993817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:50,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:50,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648689516] [2023-12-02 16:25:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:50,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:50,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:50,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:50,695 INFO L87 Difference]: Start difference. First operand 12121 states and 34551 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:54,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:25:54,435 INFO L93 Difference]: Finished difference Result 16923 states and 47484 transitions. [2023-12-02 16:25:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:25:54,435 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:25:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:25:54,456 INFO L225 Difference]: With dead ends: 16923 [2023-12-02 16:25:54,456 INFO L226 Difference]: Without dead ends: 16923 [2023-12-02 16:25:54,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=854, Invalid=4548, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:25:54,457 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 1194 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:25:54,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 2725 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:25:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16923 states. [2023-12-02 16:25:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16923 to 12117. [2023-12-02 16:25:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12117 states, 12115 states have (on average 2.8509286009079653) internal successors, (34539), 12116 states have internal predecessors, (34539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12117 states to 12117 states and 34539 transitions. [2023-12-02 16:25:54,666 INFO L78 Accepts]: Start accepts. Automaton has 12117 states and 34539 transitions. Word has length 106 [2023-12-02 16:25:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:25:54,666 INFO L495 AbstractCegarLoop]: Abstraction has 12117 states and 34539 transitions. [2023-12-02 16:25:54,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:25:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12117 states and 34539 transitions. [2023-12-02 16:25:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:25:54,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:25:54,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:25:54,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-02 16:25:54,679 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:25:54,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:25:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash -576615289, now seen corresponding path program 93 times [2023-12-02 16:25:54,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:25:54,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841920423] [2023-12-02 16:25:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:25:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:25:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:25:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:25:55,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:25:55,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841920423] [2023-12-02 16:25:55,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841920423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:25:55,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:25:55,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:25:55,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379600478] [2023-12-02 16:25:55,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:25:55,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:25:55,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:25:55,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:25:55,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:25:55,692 INFO L87 Difference]: Start difference. First operand 12117 states and 34539 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:00,522 INFO L93 Difference]: Finished difference Result 17216 states and 48325 transitions. [2023-12-02 16:26:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 16:26:00,522 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:00,544 INFO L225 Difference]: With dead ends: 17216 [2023-12-02 16:26:00,545 INFO L226 Difference]: Without dead ends: 17216 [2023-12-02 16:26:00,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1069, Invalid=6241, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 16:26:00,545 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 1402 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 3628 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 3834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 3628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:00,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 3975 Invalid, 3834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 3628 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 16:26:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17216 states. [2023-12-02 16:26:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17216 to 12113. [2023-12-02 16:26:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12113 states, 12111 states have (on average 2.850879365865742) internal successors, (34527), 12112 states have internal predecessors, (34527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12113 states to 12113 states and 34527 transitions. [2023-12-02 16:26:00,743 INFO L78 Accepts]: Start accepts. Automaton has 12113 states and 34527 transitions. Word has length 106 [2023-12-02 16:26:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:00,743 INFO L495 AbstractCegarLoop]: Abstraction has 12113 states and 34527 transitions. [2023-12-02 16:26:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12113 states and 34527 transitions. [2023-12-02 16:26:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:00,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:00,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:00,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-02 16:26:00,754 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:00,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:00,754 INFO L85 PathProgramCache]: Analyzing trace with hash 355304159, now seen corresponding path program 94 times [2023-12-02 16:26:00,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:00,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444607608] [2023-12-02 16:26:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:00,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:01,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:01,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444607608] [2023-12-02 16:26:01,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444607608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:01,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:01,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:01,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240733513] [2023-12-02 16:26:01,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:01,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:01,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:01,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:01,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:01,845 INFO L87 Difference]: Start difference. First operand 12113 states and 34527 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:05,218 INFO L93 Difference]: Finished difference Result 16710 states and 46977 transitions. [2023-12-02 16:26:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 16:26:05,219 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:05,246 INFO L225 Difference]: With dead ends: 16710 [2023-12-02 16:26:05,246 INFO L226 Difference]: Without dead ends: 16710 [2023-12-02 16:26:05,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1014 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=605, Invalid=3427, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:26:05,246 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1302 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 2506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:05,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 2806 Invalid, 2506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 16:26:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16710 states. [2023-12-02 16:26:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16710 to 12111. [2023-12-02 16:26:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12111 states, 12109 states have (on average 2.8508547361466676) internal successors, (34521), 12110 states have internal predecessors, (34521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12111 states to 12111 states and 34521 transitions. [2023-12-02 16:26:05,512 INFO L78 Accepts]: Start accepts. Automaton has 12111 states and 34521 transitions. Word has length 106 [2023-12-02 16:26:05,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:05,512 INFO L495 AbstractCegarLoop]: Abstraction has 12111 states and 34521 transitions. [2023-12-02 16:26:05,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12111 states and 34521 transitions. [2023-12-02 16:26:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:05,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:05,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:05,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-02 16:26:05,525 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:05,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:05,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1894399803, now seen corresponding path program 95 times [2023-12-02 16:26:05,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:05,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734141206] [2023-12-02 16:26:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:05,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:06,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:06,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734141206] [2023-12-02 16:26:06,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734141206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:06,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:06,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230287221] [2023-12-02 16:26:06,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:06,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:06,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:06,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:06,627 INFO L87 Difference]: Start difference. First operand 12111 states and 34521 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:11,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:11,049 INFO L93 Difference]: Finished difference Result 16942 states and 47630 transitions. [2023-12-02 16:26:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:26:11,050 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:11,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:11,072 INFO L225 Difference]: With dead ends: 16942 [2023-12-02 16:26:11,072 INFO L226 Difference]: Without dead ends: 16942 [2023-12-02 16:26:11,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=747, Invalid=4655, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:26:11,073 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 1126 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 3378 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 3775 SdHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 3378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:11,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 3775 Invalid, 3522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 3378 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 16:26:11,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16942 states. [2023-12-02 16:26:11,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16942 to 12109. [2023-12-02 16:26:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12109 states, 12107 states have (on average 2.8508300982902455) internal successors, (34515), 12108 states have internal predecessors, (34515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12109 states to 12109 states and 34515 transitions. [2023-12-02 16:26:11,275 INFO L78 Accepts]: Start accepts. Automaton has 12109 states and 34515 transitions. Word has length 106 [2023-12-02 16:26:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 12109 states and 34515 transitions. [2023-12-02 16:26:11,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12109 states and 34515 transitions. [2023-12-02 16:26:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:11,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:11,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:11,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-02 16:26:11,286 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:11,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1757538813, now seen corresponding path program 96 times [2023-12-02 16:26:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:11,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321697548] [2023-12-02 16:26:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:11,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:12,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321697548] [2023-12-02 16:26:12,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321697548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:12,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:12,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:12,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538761922] [2023-12-02 16:26:12,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:12,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:12,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:12,321 INFO L87 Difference]: Start difference. First operand 12109 states and 34515 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:16,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:16,935 INFO L93 Difference]: Finished difference Result 17619 states and 49293 transitions. [2023-12-02 16:26:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:26:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:16,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:16,959 INFO L225 Difference]: With dead ends: 17619 [2023-12-02 16:26:16,959 INFO L226 Difference]: Without dead ends: 17619 [2023-12-02 16:26:16,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1505 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=775, Invalid=4627, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:26:16,960 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 1378 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 3717 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 4251 SdHoareTripleChecker+Invalid, 3883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 3717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:16,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 4251 Invalid, 3883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 3717 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:26:16,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17619 states. [2023-12-02 16:26:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17619 to 12105. [2023-12-02 16:26:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12105 states, 12103 states have (on average 2.850780798149219) internal successors, (34503), 12104 states have internal predecessors, (34503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12105 states to 12105 states and 34503 transitions. [2023-12-02 16:26:17,164 INFO L78 Accepts]: Start accepts. Automaton has 12105 states and 34503 transitions. Word has length 106 [2023-12-02 16:26:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:17,165 INFO L495 AbstractCegarLoop]: Abstraction has 12105 states and 34503 transitions. [2023-12-02 16:26:17,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12105 states and 34503 transitions. [2023-12-02 16:26:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:17,175 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:17,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:17,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-02 16:26:17,175 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:17,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash 686903217, now seen corresponding path program 97 times [2023-12-02 16:26:17,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:17,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49105383] [2023-12-02 16:26:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:18,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:18,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49105383] [2023-12-02 16:26:18,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49105383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:18,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:18,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:18,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884729462] [2023-12-02 16:26:18,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:18,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:18,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:18,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:18,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:18,216 INFO L87 Difference]: Start difference. First operand 12105 states and 34503 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:21,679 INFO L93 Difference]: Finished difference Result 17010 states and 47749 transitions. [2023-12-02 16:26:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 16:26:21,680 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:21,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:21,702 INFO L225 Difference]: With dead ends: 17010 [2023-12-02 16:26:21,702 INFO L226 Difference]: Without dead ends: 17010 [2023-12-02 16:26:21,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1194, Invalid=6288, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 16:26:21,703 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1421 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:21,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 2763 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 16:26:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17010 states. [2023-12-02 16:26:21,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17010 to 12161. [2023-12-02 16:26:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12161 states, 12159 states have (on average 2.8511390739370013) internal successors, (34667), 12160 states have internal predecessors, (34667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12161 states to 12161 states and 34667 transitions. [2023-12-02 16:26:21,901 INFO L78 Accepts]: Start accepts. Automaton has 12161 states and 34667 transitions. Word has length 106 [2023-12-02 16:26:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:21,902 INFO L495 AbstractCegarLoop]: Abstraction has 12161 states and 34667 transitions. [2023-12-02 16:26:21,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12161 states and 34667 transitions. [2023-12-02 16:26:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:21,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:21,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:21,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-12-02 16:26:21,912 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:21,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1012562677, now seen corresponding path program 98 times [2023-12-02 16:26:21,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:21,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399115126] [2023-12-02 16:26:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:21,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:22,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:22,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399115126] [2023-12-02 16:26:22,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399115126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:22,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:22,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:22,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158649810] [2023-12-02 16:26:22,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:22,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:22,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:22,873 INFO L87 Difference]: Start difference. First operand 12161 states and 34667 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:28,055 INFO L93 Difference]: Finished difference Result 17450 states and 49016 transitions. [2023-12-02 16:26:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-12-02 16:26:28,056 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:28,079 INFO L225 Difference]: With dead ends: 17450 [2023-12-02 16:26:28,079 INFO L226 Difference]: Without dead ends: 17450 [2023-12-02 16:26:28,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2711 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1430, Invalid=7690, Unknown=0, NotChecked=0, Total=9120 [2023-12-02 16:26:28,080 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 1311 mSDsluCounter, 4481 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 4818 SdHoareTripleChecker+Invalid, 4472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:28,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 4818 Invalid, 4472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 4330 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:26:28,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17450 states. [2023-12-02 16:26:28,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17450 to 12133. [2023-12-02 16:26:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12133 states, 12131 states have (on average 2.8509603495177642) internal successors, (34585), 12132 states have internal predecessors, (34585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12133 states to 12133 states and 34585 transitions. [2023-12-02 16:26:28,283 INFO L78 Accepts]: Start accepts. Automaton has 12133 states and 34585 transitions. Word has length 106 [2023-12-02 16:26:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:28,283 INFO L495 AbstractCegarLoop]: Abstraction has 12133 states and 34585 transitions. [2023-12-02 16:26:28,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 12133 states and 34585 transitions. [2023-12-02 16:26:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:28,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:28,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:28,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-12-02 16:26:28,293 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:28,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1955019781, now seen corresponding path program 99 times [2023-12-02 16:26:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443627703] [2023-12-02 16:26:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:29,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:29,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443627703] [2023-12-02 16:26:29,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443627703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:29,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:29,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:29,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059859619] [2023-12-02 16:26:29,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:29,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:29,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:29,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:29,275 INFO L87 Difference]: Start difference. First operand 12133 states and 34585 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:36,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:36,883 INFO L93 Difference]: Finished difference Result 23021 states and 64263 transitions. [2023-12-02 16:26:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-12-02 16:26:36,883 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:36,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:36,915 INFO L225 Difference]: With dead ends: 23021 [2023-12-02 16:26:36,915 INFO L226 Difference]: Without dead ends: 23021 [2023-12-02 16:26:36,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3406 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=2271, Invalid=10385, Unknown=0, NotChecked=0, Total=12656 [2023-12-02 16:26:36,916 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 1648 mSDsluCounter, 4953 mSDsCounter, 0 mSdLazyCounter, 5148 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 5372 SdHoareTripleChecker+Invalid, 5288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 5148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:36,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 5372 Invalid, 5288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 5148 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 16:26:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23021 states. [2023-12-02 16:26:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23021 to 12142. [2023-12-02 16:26:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12142 states, 12140 states have (on average 2.8512355848434927) internal successors, (34614), 12141 states have internal predecessors, (34614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12142 states to 12142 states and 34614 transitions. [2023-12-02 16:26:37,171 INFO L78 Accepts]: Start accepts. Automaton has 12142 states and 34614 transitions. Word has length 106 [2023-12-02 16:26:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:37,171 INFO L495 AbstractCegarLoop]: Abstraction has 12142 states and 34614 transitions. [2023-12-02 16:26:37,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12142 states and 34614 transitions. [2023-12-02 16:26:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:37,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:37,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:37,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-12-02 16:26:37,182 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:37,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1899007769, now seen corresponding path program 100 times [2023-12-02 16:26:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481937106] [2023-12-02 16:26:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:38,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481937106] [2023-12-02 16:26:38,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481937106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:38,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:38,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:38,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060747315] [2023-12-02 16:26:38,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:38,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:38,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:38,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:38,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:38,197 INFO L87 Difference]: Start difference. First operand 12142 states and 34614 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:41,997 INFO L93 Difference]: Finished difference Result 16744 states and 46998 transitions. [2023-12-02 16:26:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 16:26:41,997 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:41,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:42,021 INFO L225 Difference]: With dead ends: 16744 [2023-12-02 16:26:42,021 INFO L226 Difference]: Without dead ends: 16744 [2023-12-02 16:26:42,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=877, Invalid=4823, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 16:26:42,022 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1181 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 2851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:42,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 2918 Invalid, 2851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 16:26:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16744 states. [2023-12-02 16:26:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16744 to 12172. [2023-12-02 16:26:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12172 states, 12170 states have (on average 2.8516023007395233) internal successors, (34704), 12171 states have internal predecessors, (34704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12172 states to 12172 states and 34704 transitions. [2023-12-02 16:26:42,233 INFO L78 Accepts]: Start accepts. Automaton has 12172 states and 34704 transitions. Word has length 106 [2023-12-02 16:26:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:42,233 INFO L495 AbstractCegarLoop]: Abstraction has 12172 states and 34704 transitions. [2023-12-02 16:26:42,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12172 states and 34704 transitions. [2023-12-02 16:26:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:42,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:42,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:42,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-12-02 16:26:42,244 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:42,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash 755172607, now seen corresponding path program 101 times [2023-12-02 16:26:42,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:42,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208592149] [2023-12-02 16:26:42,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:42,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:43,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:43,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208592149] [2023-12-02 16:26:43,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208592149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:43,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:43,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:43,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059824749] [2023-12-02 16:26:43,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:43,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:43,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:43,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:43,249 INFO L87 Difference]: Start difference. First operand 12172 states and 34704 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:48,635 INFO L93 Difference]: Finished difference Result 17055 states and 47880 transitions. [2023-12-02 16:26:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 16:26:48,635 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:48,658 INFO L225 Difference]: With dead ends: 17055 [2023-12-02 16:26:48,658 INFO L226 Difference]: Without dead ends: 17055 [2023-12-02 16:26:48,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1796 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=951, Invalid=5369, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 16:26:48,659 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1152 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 5079 SdHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:48,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 5079 Invalid, 4902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:26:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17055 states. [2023-12-02 16:26:48,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17055 to 12160. [2023-12-02 16:26:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 12158 states have (on average 2.851455831551242) internal successors, (34668), 12159 states have internal predecessors, (34668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 34668 transitions. [2023-12-02 16:26:48,860 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 34668 transitions. Word has length 106 [2023-12-02 16:26:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:48,860 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 34668 transitions. [2023-12-02 16:26:48,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 34668 transitions. [2023-12-02 16:26:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:48,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:48,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:48,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-12-02 16:26:48,870 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:48,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:48,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1736840167, now seen corresponding path program 102 times [2023-12-02 16:26:48,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:48,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107034096] [2023-12-02 16:26:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:48,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:49,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:49,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107034096] [2023-12-02 16:26:49,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107034096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:49,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:49,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368294822] [2023-12-02 16:26:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:49,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:49,832 INFO L87 Difference]: Start difference. First operand 12160 states and 34668 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:26:57,098 INFO L93 Difference]: Finished difference Result 22938 states and 63993 transitions. [2023-12-02 16:26:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 16:26:57,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:26:57,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:26:57,128 INFO L225 Difference]: With dead ends: 22938 [2023-12-02 16:26:57,128 INFO L226 Difference]: Without dead ends: 22938 [2023-12-02 16:26:57,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2800 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1957, Invalid=8755, Unknown=0, NotChecked=0, Total=10712 [2023-12-02 16:26:57,129 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 1655 mSDsluCounter, 4824 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 5018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:26:57,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 5240 Invalid, 5018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 16:26:57,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22938 states. [2023-12-02 16:26:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22938 to 12106. [2023-12-02 16:26:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12106 states, 12104 states have (on average 2.85079312623926) internal successors, (34506), 12105 states have internal predecessors, (34506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12106 states to 12106 states and 34506 transitions. [2023-12-02 16:26:57,366 INFO L78 Accepts]: Start accepts. Automaton has 12106 states and 34506 transitions. Word has length 106 [2023-12-02 16:26:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:26:57,366 INFO L495 AbstractCegarLoop]: Abstraction has 12106 states and 34506 transitions. [2023-12-02 16:26:57,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:26:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12106 states and 34506 transitions. [2023-12-02 16:26:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:26:57,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:26:57,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:26:57,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-12-02 16:26:57,378 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:26:57,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:26:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash -320814789, now seen corresponding path program 103 times [2023-12-02 16:26:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:26:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462246516] [2023-12-02 16:26:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:26:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:26:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:26:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:26:58,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:26:58,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462246516] [2023-12-02 16:26:58,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462246516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:26:58,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:26:58,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:26:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942869201] [2023-12-02 16:26:58,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:26:58,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:26:58,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:26:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:26:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:26:58,454 INFO L87 Difference]: Start difference. First operand 12106 states and 34506 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:02,524 INFO L93 Difference]: Finished difference Result 16806 states and 47145 transitions. [2023-12-02 16:27:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 16:27:02,524 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:02,547 INFO L225 Difference]: With dead ends: 16806 [2023-12-02 16:27:02,547 INFO L226 Difference]: Without dead ends: 16806 [2023-12-02 16:27:02,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1558 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=874, Invalid=4826, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 16:27:02,548 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1294 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 3405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:02,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 3626 Invalid, 3405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 3281 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 16:27:02,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16806 states. [2023-12-02 16:27:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16806 to 12116. [2023-12-02 16:27:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12116 states, 12114 states have (on average 2.8509162951956415) internal successors, (34536), 12115 states have internal predecessors, (34536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12116 states to 12116 states and 34536 transitions. [2023-12-02 16:27:02,759 INFO L78 Accepts]: Start accepts. Automaton has 12116 states and 34536 transitions. Word has length 106 [2023-12-02 16:27:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:02,760 INFO L495 AbstractCegarLoop]: Abstraction has 12116 states and 34536 transitions. [2023-12-02 16:27:02,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 12116 states and 34536 transitions. [2023-12-02 16:27:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:02,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:02,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:02,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2023-12-02 16:27:02,771 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:02,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1189516605, now seen corresponding path program 104 times [2023-12-02 16:27:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86199972] [2023-12-02 16:27:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:03,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:03,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86199972] [2023-12-02 16:27:03,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86199972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:03,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:03,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:03,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922312892] [2023-12-02 16:27:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:03,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:03,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:03,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:03,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:03,756 INFO L87 Difference]: Start difference. First operand 12116 states and 34536 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:08,355 INFO L93 Difference]: Finished difference Result 17205 states and 48283 transitions. [2023-12-02 16:27:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 16:27:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:08,379 INFO L225 Difference]: With dead ends: 17205 [2023-12-02 16:27:08,379 INFO L226 Difference]: Without dead ends: 17205 [2023-12-02 16:27:08,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2295 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1082, Invalid=6574, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 16:27:08,380 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1231 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 3816 SdHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:08,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 3816 Invalid, 3727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:27:08,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17205 states. [2023-12-02 16:27:08,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17205 to 12112. [2023-12-02 16:27:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12112 states, 12110 states have (on average 2.8508670520231214) internal successors, (34524), 12111 states have internal predecessors, (34524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:08,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12112 states to 12112 states and 34524 transitions. [2023-12-02 16:27:08,618 INFO L78 Accepts]: Start accepts. Automaton has 12112 states and 34524 transitions. Word has length 106 [2023-12-02 16:27:08,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:08,618 INFO L495 AbstractCegarLoop]: Abstraction has 12112 states and 34524 transitions. [2023-12-02 16:27:08,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 12112 states and 34524 transitions. [2023-12-02 16:27:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:08,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:08,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:08,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2023-12-02 16:27:08,629 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:08,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:08,630 INFO L85 PathProgramCache]: Analyzing trace with hash 399395643, now seen corresponding path program 105 times [2023-12-02 16:27:08,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:08,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455792417] [2023-12-02 16:27:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:08,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:09,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455792417] [2023-12-02 16:27:09,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455792417] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:09,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:09,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:09,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706370194] [2023-12-02 16:27:09,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:09,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:09,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:09,620 INFO L87 Difference]: Start difference. First operand 12112 states and 34524 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:17,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:17,756 INFO L93 Difference]: Finished difference Result 23100 states and 64439 transitions. [2023-12-02 16:27:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-12-02 16:27:17,757 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:17,788 INFO L225 Difference]: With dead ends: 23100 [2023-12-02 16:27:17,788 INFO L226 Difference]: Without dead ends: 23100 [2023-12-02 16:27:17,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3729 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2280, Invalid=11060, Unknown=0, NotChecked=0, Total=13340 [2023-12-02 16:27:17,789 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 1637 mSDsluCounter, 5359 mSDsCounter, 0 mSdLazyCounter, 5415 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 5790 SdHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 5415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:17,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 5790 Invalid, 5608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 5415 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 16:27:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23100 states. [2023-12-02 16:27:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23100 to 12094. [2023-12-02 16:27:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12094 states, 12092 states have (on average 2.8506450545815416) internal successors, (34470), 12093 states have internal predecessors, (34470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12094 states to 12094 states and 34470 transitions. [2023-12-02 16:27:18,034 INFO L78 Accepts]: Start accepts. Automaton has 12094 states and 34470 transitions. Word has length 106 [2023-12-02 16:27:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:18,034 INFO L495 AbstractCegarLoop]: Abstraction has 12094 states and 34470 transitions. [2023-12-02 16:27:18,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 12094 states and 34470 transitions. [2023-12-02 16:27:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:18,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:18,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:18,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2023-12-02 16:27:18,044 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:18,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:18,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1350624893, now seen corresponding path program 106 times [2023-12-02 16:27:18,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:18,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178311630] [2023-12-02 16:27:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:19,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:19,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178311630] [2023-12-02 16:27:19,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178311630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:19,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:19,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579897191] [2023-12-02 16:27:19,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:19,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:19,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:19,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:19,062 INFO L87 Difference]: Start difference. First operand 12094 states and 34470 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:22,979 INFO L93 Difference]: Finished difference Result 16550 states and 46515 transitions. [2023-12-02 16:27:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-02 16:27:22,980 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:22,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:23,002 INFO L225 Difference]: With dead ends: 16550 [2023-12-02 16:27:23,002 INFO L226 Difference]: Without dead ends: 16550 [2023-12-02 16:27:23,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=595, Invalid=3437, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 16:27:23,002 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 1036 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 3383 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 3479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:23,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 3734 Invalid, 3479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3383 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 16:27:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16550 states. [2023-12-02 16:27:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16550 to 12098. [2023-12-02 16:27:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12098 states, 12096 states have (on average 2.8506944444444446) internal successors, (34482), 12097 states have internal predecessors, (34482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12098 states to 12098 states and 34482 transitions. [2023-12-02 16:27:23,201 INFO L78 Accepts]: Start accepts. Automaton has 12098 states and 34482 transitions. Word has length 106 [2023-12-02 16:27:23,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:23,201 INFO L495 AbstractCegarLoop]: Abstraction has 12098 states and 34482 transitions. [2023-12-02 16:27:23,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 12098 states and 34482 transitions. [2023-12-02 16:27:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:23,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:23,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:23,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2023-12-02 16:27:23,212 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:23,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash -899079069, now seen corresponding path program 107 times [2023-12-02 16:27:23,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:23,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573700605] [2023-12-02 16:27:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:24,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:24,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573700605] [2023-12-02 16:27:24,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573700605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:24,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:24,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:24,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297981188] [2023-12-02 16:27:24,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:24,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:24,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:24,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:24,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:24,258 INFO L87 Difference]: Start difference. First operand 12098 states and 34482 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:28,849 INFO L93 Difference]: Finished difference Result 16884 states and 47465 transitions. [2023-12-02 16:27:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 16:27:28,849 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:28,872 INFO L225 Difference]: With dead ends: 16884 [2023-12-02 16:27:28,872 INFO L226 Difference]: Without dead ends: 16884 [2023-12-02 16:27:28,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=730, Invalid=4672, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 16:27:28,873 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1275 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 4090 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 4208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:28,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 4473 Invalid, 4208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 4090 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 16:27:28,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16884 states. [2023-12-02 16:27:29,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16884 to 12096. [2023-12-02 16:27:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12096 states, 12094 states have (on average 2.850669753596825) internal successors, (34476), 12095 states have internal predecessors, (34476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12096 states to 12096 states and 34476 transitions. [2023-12-02 16:27:29,075 INFO L78 Accepts]: Start accepts. Automaton has 12096 states and 34476 transitions. Word has length 106 [2023-12-02 16:27:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:29,076 INFO L495 AbstractCegarLoop]: Abstraction has 12096 states and 34476 transitions. [2023-12-02 16:27:29,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 12096 states and 34476 transitions. [2023-12-02 16:27:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:29,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:29,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:29,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2023-12-02 16:27:29,087 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:29,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1797218627, now seen corresponding path program 108 times [2023-12-02 16:27:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:29,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928619057] [2023-12-02 16:27:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:29,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:30,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:30,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928619057] [2023-12-02 16:27:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928619057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:30,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:30,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:30,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886840802] [2023-12-02 16:27:30,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:30,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:30,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:30,092 INFO L87 Difference]: Start difference. First operand 12096 states and 34476 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:37,717 INFO L93 Difference]: Finished difference Result 22854 states and 63822 transitions. [2023-12-02 16:27:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 16:27:37,718 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:37,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:37,747 INFO L225 Difference]: With dead ends: 22854 [2023-12-02 16:27:37,747 INFO L226 Difference]: Without dead ends: 22854 [2023-12-02 16:27:37,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2457 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1599, Invalid=7907, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 16:27:37,747 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 1876 mSDsluCounter, 5794 mSDsCounter, 0 mSdLazyCounter, 5706 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 6237 SdHoareTripleChecker+Invalid, 5873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 5706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:37,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 6237 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 5706 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 16:27:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22854 states. [2023-12-02 16:27:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22854 to 12088. [2023-12-02 16:27:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12088 states, 12086 states have (on average 2.850570908489161) internal successors, (34452), 12087 states have internal predecessors, (34452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 12088 states and 34452 transitions. [2023-12-02 16:27:37,976 INFO L78 Accepts]: Start accepts. Automaton has 12088 states and 34452 transitions. Word has length 106 [2023-12-02 16:27:37,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:37,976 INFO L495 AbstractCegarLoop]: Abstraction has 12088 states and 34452 transitions. [2023-12-02 16:27:37,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12088 states and 34452 transitions. [2023-12-02 16:27:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:37,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:37,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:37,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2023-12-02 16:27:37,987 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:37,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1849495233, now seen corresponding path program 109 times [2023-12-02 16:27:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:37,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342705871] [2023-12-02 16:27:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:38,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:38,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342705871] [2023-12-02 16:27:38,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342705871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:38,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:38,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:38,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065788159] [2023-12-02 16:27:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:38,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:38,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:38,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:38,961 INFO L87 Difference]: Start difference. First operand 12088 states and 34452 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:46,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:46,942 INFO L93 Difference]: Finished difference Result 23658 states and 65871 transitions. [2023-12-02 16:27:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-12-02 16:27:46,942 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:46,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:46,975 INFO L225 Difference]: With dead ends: 23658 [2023-12-02 16:27:46,975 INFO L226 Difference]: Without dead ends: 23658 [2023-12-02 16:27:46,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2432 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1662, Invalid=7844, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 16:27:46,977 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 1651 mSDsluCounter, 5868 mSDsCounter, 0 mSdLazyCounter, 5724 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 5881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 5724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:46,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 6335 Invalid, 5881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 5724 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 16:27:47,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23658 states. [2023-12-02 16:27:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23658 to 12013. [2023-12-02 16:27:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12013 states, 12011 states have (on average 2.8496378319873448) internal successors, (34227), 12012 states have internal predecessors, (34227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12013 states to 12013 states and 34227 transitions. [2023-12-02 16:27:47,219 INFO L78 Accepts]: Start accepts. Automaton has 12013 states and 34227 transitions. Word has length 106 [2023-12-02 16:27:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:47,219 INFO L495 AbstractCegarLoop]: Abstraction has 12013 states and 34227 transitions. [2023-12-02 16:27:47,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 12013 states and 34227 transitions. [2023-12-02 16:27:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:47,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:47,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:47,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2023-12-02 16:27:47,229 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:47,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:47,230 INFO L85 PathProgramCache]: Analyzing trace with hash -333657113, now seen corresponding path program 110 times [2023-12-02 16:27:47,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:47,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065453245] [2023-12-02 16:27:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:47,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:48,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:48,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065453245] [2023-12-02 16:27:48,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065453245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:48,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:48,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:48,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528291287] [2023-12-02 16:27:48,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:48,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:48,315 INFO L87 Difference]: Start difference. First operand 12013 states and 34227 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:51,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:51,371 INFO L93 Difference]: Finished difference Result 16604 states and 46608 transitions. [2023-12-02 16:27:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 16:27:51,372 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:51,394 INFO L225 Difference]: With dead ends: 16604 [2023-12-02 16:27:51,394 INFO L226 Difference]: Without dead ends: 16604 [2023-12-02 16:27:51,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=615, Invalid=2807, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 16:27:51,394 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1287 mSDsluCounter, 2803 mSDsCounter, 0 mSdLazyCounter, 2659 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:51,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 3088 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2659 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 16:27:51,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16604 states. [2023-12-02 16:27:51,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16604 to 12061. [2023-12-02 16:27:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 12059 states have (on average 2.8502363380048097) internal successors, (34371), 12060 states have internal predecessors, (34371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 34371 transitions. [2023-12-02 16:27:51,594 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 34371 transitions. Word has length 106 [2023-12-02 16:27:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:51,594 INFO L495 AbstractCegarLoop]: Abstraction has 12061 states and 34371 transitions. [2023-12-02 16:27:51,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 34371 transitions. [2023-12-02 16:27:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:51,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:51,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:51,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2023-12-02 16:27:51,605 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:51,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash 271075397, now seen corresponding path program 111 times [2023-12-02 16:27:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:51,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42454675] [2023-12-02 16:27:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:51,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:52,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:52,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42454675] [2023-12-02 16:27:52,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42454675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:52,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:52,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144795907] [2023-12-02 16:27:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:52,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:52,671 INFO L87 Difference]: Start difference. First operand 12061 states and 34371 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:56,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:27:56,796 INFO L93 Difference]: Finished difference Result 16671 states and 46764 transitions. [2023-12-02 16:27:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 16:27:56,797 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:27:56,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:27:56,819 INFO L225 Difference]: With dead ends: 16671 [2023-12-02 16:27:56,819 INFO L226 Difference]: Without dead ends: 16671 [2023-12-02 16:27:56,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=630, Invalid=3030, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 16:27:56,820 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 1276 mSDsluCounter, 3987 mSDsCounter, 0 mSdLazyCounter, 3800 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 3914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:27:56,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4275 Invalid, 3914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3800 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 16:27:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16671 states. [2023-12-02 16:27:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16671 to 12073. [2023-12-02 16:27:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12073 states, 12071 states have (on average 2.850385220777069) internal successors, (34407), 12072 states have internal predecessors, (34407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12073 states to 12073 states and 34407 transitions. [2023-12-02 16:27:57,022 INFO L78 Accepts]: Start accepts. Automaton has 12073 states and 34407 transitions. Word has length 106 [2023-12-02 16:27:57,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:27:57,022 INFO L495 AbstractCegarLoop]: Abstraction has 12073 states and 34407 transitions. [2023-12-02 16:27:57,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:27:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 12073 states and 34407 transitions. [2023-12-02 16:27:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:27:57,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:27:57,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:27:57,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2023-12-02 16:27:57,032 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:27:57,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:27:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash -412095143, now seen corresponding path program 112 times [2023-12-02 16:27:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:27:57,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367311414] [2023-12-02 16:27:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:27:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:27:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:27:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:27:58,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:27:58,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367311414] [2023-12-02 16:27:58,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367311414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:27:58,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:27:58,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 16:27:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649993021] [2023-12-02 16:27:58,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:27:58,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 16:27:58,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:27:58,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 16:27:58,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2023-12-02 16:27:58,084 INFO L87 Difference]: Start difference. First operand 12073 states and 34407 transitions. Second operand has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:28:00,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:28:00,579 INFO L93 Difference]: Finished difference Result 16507 states and 46315 transitions. [2023-12-02 16:28:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 16:28:00,579 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-02 16:28:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:28:00,600 INFO L225 Difference]: With dead ends: 16507 [2023-12-02 16:28:00,600 INFO L226 Difference]: Without dead ends: 16507 [2023-12-02 16:28:00,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=528, Invalid=2552, Unknown=0, NotChecked=0, Total=3080 [2023-12-02 16:28:00,600 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1117 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:28:00,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 2450 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 16:28:00,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16507 states. [2023-12-02 16:28:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16507 to 12073. [2023-12-02 16:28:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12073 states, 12071 states have (on average 2.850385220777069) internal successors, (34407), 12072 states have internal predecessors, (34407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:28:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12073 states to 12073 states and 34407 transitions. [2023-12-02 16:28:00,790 INFO L78 Accepts]: Start accepts. Automaton has 12073 states and 34407 transitions. Word has length 106 [2023-12-02 16:28:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:28:00,791 INFO L495 AbstractCegarLoop]: Abstraction has 12073 states and 34407 transitions. [2023-12-02 16:28:00,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.076923076923077) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:28:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 12073 states and 34407 transitions. [2023-12-02 16:28:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 16:28:00,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:28:00,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:28:00,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2023-12-02 16:28:00,801 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:28:00,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:28:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1375497245, now seen corresponding path program 113 times [2023-12-02 16:28:00,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:28:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637324486] [2023-12-02 16:28:00,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:28:00,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:28:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat