./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/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_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/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_69d22b04-d1f2-4cbb-b941-c5053795ff44/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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:23:51,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:23:51,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 15:23:51,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:23:51,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:23:51,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:23:51,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:23:51,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:23:51,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:23:51,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:23:51,436 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:23:51,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:23:51,437 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:23:51,437 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:23:51,437 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:23:51,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:23:51,438 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:23:51,439 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:23:51,439 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:23:51,440 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:23:51,440 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:23:51,441 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:23:51,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:23:51,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:23:51,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:23:51,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:23:51,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:23:51,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:23:51,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:23:51,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:23:51,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:23:51,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 15:23:51,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:23:51,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:23:51,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:23:51,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:23:51,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:23:51,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:23:51,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:23:51,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:23:51,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:23:51,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:23:51,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:23:51,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:23:51,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:23:51,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:23:51,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:23:51,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:23:51,447 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_69d22b04-d1f2-4cbb-b941-c5053795ff44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2023-12-02 15:23:51,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:23:51,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:23:51,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:23:51,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:23:51,670 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:23:51,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-12-02 15:23:54,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:23:54,739 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:23:54,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-12-02 15:23:54,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/data/a881b7a74/ba844a88744546078156c1cdcdea20e7/FLAG9485eb344 [2023-12-02 15:23:54,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/data/a881b7a74/ba844a88744546078156c1cdcdea20e7 [2023-12-02 15:23:54,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:23:54,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:23:54,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:23:54,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:23:54,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:23:54,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:54" (1/1) ... [2023-12-02 15:23:54,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e98dc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:54, skipping insertion in model container [2023-12-02 15:23:54,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:54" (1/1) ... [2023-12-02 15:23:54,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:23:55,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:23:55,246 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:23:55,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:23:55,367 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:23:55,367 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:23:55,375 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:23:55,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55 WrapperNode [2023-12-02 15:23:55,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:23:55,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:23:55,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:23:55,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:23:55,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,431 INFO L138 Inliner]: procedures = 246, calls = 48, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 186 [2023-12-02 15:23:55,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:23:55,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:23:55,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:23:55,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:23:55,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:23:55,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:23:55,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:23:55,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:23:55,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (1/1) ... [2023-12-02 15:23:55,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:23:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:23:55,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:23:55,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22b04-d1f2-4cbb-b941-c5053795ff44/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:23:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 15:23:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 15:23:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 15:23:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:23:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:23:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:23:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:23:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:23:55,567 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 15:23:55,823 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:23:55,825 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:23:56,184 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:23:56,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:23:56,231 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:23:56,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:56 BoogieIcfgContainer [2023-12-02 15:23:56,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:23:56,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:23:56,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:23:56,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:23:56,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:23:54" (1/3) ... [2023-12-02 15:23:56,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359abc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:56, skipping insertion in model container [2023-12-02 15:23:56,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:55" (2/3) ... [2023-12-02 15:23:56,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359abc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:56, skipping insertion in model container [2023-12-02 15:23:56,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:56" (3/3) ... [2023-12-02 15:23:56,242 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-12-02 15:23:56,248 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 15:23:56,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:23:56,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-12-02 15:23:56,257 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 15:23:56,354 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 15:23:56,386 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 251 places, 255 transitions, 524 flow [2023-12-02 15:23:57,186 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 26469 states, 26344 states have (on average 2.9067339811721835) internal successors, (76575), 26468 states have internal predecessors, (76575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:23:57,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:23:57,210 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;@36ed2dac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:23:57,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-12-02 15:23:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 26469 states, 26344 states have (on average 2.9067339811721835) internal successors, (76575), 26468 states have internal predecessors, (76575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:23:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 15:23:57,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:57,256 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 15:23:57,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:23:57,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:57,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1136384146, now seen corresponding path program 1 times [2023-12-02 15:23:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:57,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102654435] [2023-12-02 15:23:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:58,064 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 15:23:58,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:58,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102654435] [2023-12-02 15:23:58,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102654435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:23:58,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:23:58,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:23:58,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496526978] [2023-12-02 15:23:58,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:23:58,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:23:58,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:23:58,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:23:58,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:23:58,142 INFO L87 Difference]: Start difference. First operand has 26469 states, 26344 states have (on average 2.9067339811721835) internal successors, (76575), 26468 states have internal predecessors, (76575), 0 states have call successors, (0), 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 15:23:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:23:58,693 INFO L93 Difference]: Finished difference Result 16862 states and 47464 transitions. [2023-12-02 15:23:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:23:58,697 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 15:23:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:23:58,812 INFO L225 Difference]: With dead ends: 16862 [2023-12-02 15:23:58,812 INFO L226 Difference]: Without dead ends: 12736 [2023-12-02 15:23:58,814 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 15:23:58,817 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 3 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:23:58,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 358 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:23:58,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12736 states. [2023-12-02 15:23:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12736 to 12736. [2023-12-02 15:23:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12736 states, 12722 states have (on average 2.8056909290991983) internal successors, (35694), 12735 states have internal predecessors, (35694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:23:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12736 states to 12736 states and 35694 transitions. [2023-12-02 15:23:59,389 INFO L78 Accepts]: Start accepts. Automaton has 12736 states and 35694 transitions. Word has length 36 [2023-12-02 15:23:59,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:23:59,390 INFO L495 AbstractCegarLoop]: Abstraction has 12736 states and 35694 transitions. [2023-12-02 15:23:59,390 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 15:23:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12736 states and 35694 transitions. [2023-12-02 15:23:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 15:23:59,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:59,392 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 15:23:59,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:23:59,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:23:59,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash -618305724, now seen corresponding path program 1 times [2023-12-02 15:23:59,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:59,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068997198] [2023-12-02 15:23:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:59,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:59,947 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 15:23:59,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:59,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068997198] [2023-12-02 15:23:59,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068997198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:23:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:23:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:23:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303988969] [2023-12-02 15:23:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:23:59,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:23:59,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:23:59,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:23:59,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:23:59,952 INFO L87 Difference]: Start difference. First operand 12736 states and 35694 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 15:24:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:00,338 INFO L93 Difference]: Finished difference Result 12735 states and 35693 transitions. [2023-12-02 15:24:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:00,339 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 15:24:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:00,456 INFO L225 Difference]: With dead ends: 12735 [2023-12-02 15:24:00,457 INFO L226 Difference]: Without dead ends: 12735 [2023-12-02 15:24:00,457 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 15:24:00,459 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 2 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:00,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 304 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:24:00,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2023-12-02 15:24:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 12735. [2023-12-02 15:24:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12735 states, 12722 states have (on average 2.8056123251061154) internal successors, (35693), 12734 states have internal predecessors, (35693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12735 states to 12735 states and 35693 transitions. [2023-12-02 15:24:00,906 INFO L78 Accepts]: Start accepts. Automaton has 12735 states and 35693 transitions. Word has length 44 [2023-12-02 15:24:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:00,907 INFO L495 AbstractCegarLoop]: Abstraction has 12735 states and 35693 transitions. [2023-12-02 15:24:00,907 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 15:24:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 12735 states and 35693 transitions. [2023-12-02 15:24:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 15:24:00,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:00,912 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] [2023-12-02 15:24:00,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:24:00,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:00,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:00,914 INFO L85 PathProgramCache]: Analyzing trace with hash -707485567, now seen corresponding path program 1 times [2023-12-02 15:24:00,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:00,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903519225] [2023-12-02 15:24:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:00,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:01,458 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 15:24:01,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:01,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903519225] [2023-12-02 15:24:01,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903519225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:01,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:01,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:01,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673219595] [2023-12-02 15:24:01,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:01,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:24:01,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:01,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:24:01,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:24:01,462 INFO L87 Difference]: Start difference. First operand 12735 states and 35693 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 15:24:02,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:02,002 INFO L93 Difference]: Finished difference Result 13228 states and 37034 transitions. [2023-12-02 15:24:02,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:02,002 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 15:24:02,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:02,053 INFO L225 Difference]: With dead ends: 13228 [2023-12-02 15:24:02,053 INFO L226 Difference]: Without dead ends: 13228 [2023-12-02 15:24:02,054 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 15:24:02,055 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 83 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:02,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 559 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:24:02,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2023-12-02 15:24:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 13113. [2023-12-02 15:24:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13113 states, 13101 states have (on average 2.802610487749027) internal successors, (36717), 13112 states have internal predecessors, (36717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13113 states to 13113 states and 36717 transitions. [2023-12-02 15:24:02,485 INFO L78 Accepts]: Start accepts. Automaton has 13113 states and 36717 transitions. Word has length 67 [2023-12-02 15:24:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:02,486 INFO L495 AbstractCegarLoop]: Abstraction has 13113 states and 36717 transitions. [2023-12-02 15:24:02,486 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 15:24:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 13113 states and 36717 transitions. [2023-12-02 15:24:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 15:24:02,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:02,490 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 15:24:02,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:24:02,491 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:02,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 301830013, now seen corresponding path program 1 times [2023-12-02 15:24:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:02,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798770582] [2023-12-02 15:24:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:02,638 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 15:24:02,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:02,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798770582] [2023-12-02 15:24:02,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798770582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:02,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:02,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:02,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735702078] [2023-12-02 15:24:02,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:02,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:24:02,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:02,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:24:02,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:24:02,642 INFO L87 Difference]: Start difference. First operand 13113 states and 36717 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 15:24:02,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:02,872 INFO L93 Difference]: Finished difference Result 13142 states and 36745 transitions. [2023-12-02 15:24:02,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:02,873 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 15:24:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:02,919 INFO L225 Difference]: With dead ends: 13142 [2023-12-02 15:24:02,919 INFO L226 Difference]: Without dead ends: 13142 [2023-12-02 15:24:02,919 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 15:24:02,921 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 87 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:02,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 727 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:24:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13142 states. [2023-12-02 15:24:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13142 to 13102. [2023-12-02 15:24:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13102 states, 13091 states have (on average 2.8039110839508057) internal successors, (36706), 13101 states have internal predecessors, (36706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13102 states to 13102 states and 36706 transitions. [2023-12-02 15:24:03,404 INFO L78 Accepts]: Start accepts. Automaton has 13102 states and 36706 transitions. Word has length 68 [2023-12-02 15:24:03,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:03,404 INFO L495 AbstractCegarLoop]: Abstraction has 13102 states and 36706 transitions. [2023-12-02 15:24:03,404 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 15:24:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 13102 states and 36706 transitions. [2023-12-02 15:24:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 15:24:03,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:03,409 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 15:24:03,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:24:03,409 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:03,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash 943707870, now seen corresponding path program 1 times [2023-12-02 15:24:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881328518] [2023-12-02 15:24:03,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:03,866 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 15:24:03,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:03,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881328518] [2023-12-02 15:24:03,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881328518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:03,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:03,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:03,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119394313] [2023-12-02 15:24:03,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:03,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:24:03,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:03,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:24:03,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:24:03,869 INFO L87 Difference]: Start difference. First operand 13102 states and 36706 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 15:24:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:04,345 INFO L93 Difference]: Finished difference Result 13595 states and 38047 transitions. [2023-12-02 15:24:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:04,346 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 15:24:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:04,383 INFO L225 Difference]: With dead ends: 13595 [2023-12-02 15:24:04,383 INFO L226 Difference]: Without dead ends: 13595 [2023-12-02 15:24:04,383 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 15:24:04,384 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 83 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:04,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 559 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:24:04,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13595 states. [2023-12-02 15:24:04,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13595 to 13480. [2023-12-02 15:24:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13480 states, 13470 states have (on average 2.801039346696362) internal successors, (37730), 13479 states have internal predecessors, (37730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13480 states to 13480 states and 37730 transitions. [2023-12-02 15:24:04,698 INFO L78 Accepts]: Start accepts. Automaton has 13480 states and 37730 transitions. Word has length 75 [2023-12-02 15:24:04,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:04,698 INFO L495 AbstractCegarLoop]: Abstraction has 13480 states and 37730 transitions. [2023-12-02 15:24:04,698 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 15:24:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 13480 states and 37730 transitions. [2023-12-02 15:24:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 15:24:04,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:04,704 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] [2023-12-02 15:24:04,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:24:04,705 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:04,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1726766291, now seen corresponding path program 1 times [2023-12-02 15:24:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:04,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337635369] [2023-12-02 15:24:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:05,226 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 15:24:05,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337635369] [2023-12-02 15:24:05,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337635369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:05,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:05,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65176109] [2023-12-02 15:24:05,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:05,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:24:05,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:05,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:24:05,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:24:05,229 INFO L87 Difference]: Start difference. First operand 13480 states and 37730 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:05,795 INFO L93 Difference]: Finished difference Result 14168 states and 39295 transitions. [2023-12-02 15:24:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:05,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2023-12-02 15:24:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:05,838 INFO L225 Difference]: With dead ends: 14168 [2023-12-02 15:24:05,838 INFO L226 Difference]: Without dead ends: 14168 [2023-12-02 15:24:05,839 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 15:24:05,841 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 160 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:05,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 581 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:24:05,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14168 states. [2023-12-02 15:24:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14168 to 13859. [2023-12-02 15:24:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13859 states, 13849 states have (on average 2.798396996173009) internal successors, (38755), 13858 states have internal predecessors, (38755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13859 states to 13859 states and 38755 transitions. [2023-12-02 15:24:06,268 INFO L78 Accepts]: Start accepts. Automaton has 13859 states and 38755 transitions. Word has length 80 [2023-12-02 15:24:06,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:06,269 INFO L495 AbstractCegarLoop]: Abstraction has 13859 states and 38755 transitions. [2023-12-02 15:24:06,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 13859 states and 38755 transitions. [2023-12-02 15:24:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 15:24:06,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:06,278 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 15:24:06,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 15:24:06,279 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:06,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1134503052, now seen corresponding path program 1 times [2023-12-02 15:24:06,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:06,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850759659] [2023-12-02 15:24:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:06,881 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 15:24:06,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:06,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850759659] [2023-12-02 15:24:06,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850759659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:06,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:06,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672443482] [2023-12-02 15:24:06,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:06,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:24:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:24:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:24:06,884 INFO L87 Difference]: Start difference. First operand 13859 states and 38755 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 15:24:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:07,349 INFO L93 Difference]: Finished difference Result 15851 states and 44106 transitions. [2023-12-02 15:24:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:07,350 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 15:24:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:07,387 INFO L225 Difference]: With dead ends: 15851 [2023-12-02 15:24:07,388 INFO L226 Difference]: Without dead ends: 15851 [2023-12-02 15:24:07,388 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 15:24:07,389 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 208 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:07,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 414 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:24:07,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15851 states. [2023-12-02 15:24:07,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15851 to 14236. [2023-12-02 15:24:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14228 states have (on average 2.795754849592353) internal successors, (39778), 14235 states have internal predecessors, (39778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 39778 transitions. [2023-12-02 15:24:07,738 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 39778 transitions. Word has length 82 [2023-12-02 15:24:07,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:07,738 INFO L495 AbstractCegarLoop]: Abstraction has 14236 states and 39778 transitions. [2023-12-02 15:24:07,738 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 15:24:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 39778 transitions. [2023-12-02 15:24:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 15:24:07,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:07,752 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] [2023-12-02 15:24:07,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 15:24:07,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:07,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:07,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1352542769, now seen corresponding path program 1 times [2023-12-02 15:24:07,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:07,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371529873] [2023-12-02 15:24:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:07,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:07,900 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 15:24:07,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:07,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371529873] [2023-12-02 15:24:07,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371529873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:07,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:07,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955065245] [2023-12-02 15:24:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:07,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:24:07,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:07,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:24:07,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:24:07,902 INFO L87 Difference]: Start difference. First operand 14236 states and 39778 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:08,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:08,077 INFO L93 Difference]: Finished difference Result 5101 states and 13780 transitions. [2023-12-02 15:24:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2023-12-02 15:24:08,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:08,086 INFO L225 Difference]: With dead ends: 5101 [2023-12-02 15:24:08,086 INFO L226 Difference]: Without dead ends: 5101 [2023-12-02 15:24:08,087 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 15:24:08,087 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 301 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:08,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 824 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:24:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5101 states. [2023-12-02 15:24:08,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5101 to 5063. [2023-12-02 15:24:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5063 states, 5059 states have (on average 2.7165447716940108) internal successors, (13743), 5062 states have internal predecessors, (13743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 13743 transitions. [2023-12-02 15:24:08,191 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 13743 transitions. Word has length 88 [2023-12-02 15:24:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:08,191 INFO L495 AbstractCegarLoop]: Abstraction has 5063 states and 13743 transitions. [2023-12-02 15:24:08,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 13743 transitions. [2023-12-02 15:24:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 15:24:08,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:08,199 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] [2023-12-02 15:24:08,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 15:24:08,199 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:08,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash -856899481, now seen corresponding path program 1 times [2023-12-02 15:24:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795639158] [2023-12-02 15:24:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:09,553 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 15:24:09,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:09,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795639158] [2023-12-02 15:24:09,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795639158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:09,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:09,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-02 15:24:09,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004872565] [2023-12-02 15:24:09,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:09,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 15:24:09,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:09,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 15:24:09,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:24:09,556 INFO L87 Difference]: Start difference. First operand 5063 states and 13743 transitions. Second operand has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:13,855 INFO L93 Difference]: Finished difference Result 5353 states and 14206 transitions. [2023-12-02 15:24:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 15:24:13,856 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-12-02 15:24:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:13,862 INFO L225 Difference]: With dead ends: 5353 [2023-12-02 15:24:13,863 INFO L226 Difference]: Without dead ends: 5353 [2023-12-02 15:24:13,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1340, Invalid=5140, Unknown=0, NotChecked=0, Total=6480 [2023-12-02 15:24:13,865 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 2394 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 4075 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:13,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 4075 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 15:24:13,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5353 states. [2023-12-02 15:24:13,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5353 to 4838. [2023-12-02 15:24:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4838 states, 4834 states have (on average 2.7126603227141084) internal successors, (13113), 4837 states have internal predecessors, (13113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4838 states to 4838 states and 13113 transitions. [2023-12-02 15:24:13,945 INFO L78 Accepts]: Start accepts. Automaton has 4838 states and 13113 transitions. Word has length 89 [2023-12-02 15:24:13,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:13,945 INFO L495 AbstractCegarLoop]: Abstraction has 4838 states and 13113 transitions. [2023-12-02 15:24:13,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4838 states and 13113 transitions. [2023-12-02 15:24:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 15:24:13,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:13,950 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:13,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 15:24:13,950 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:13,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:13,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2011055105, now seen corresponding path program 1 times [2023-12-02 15:24:13,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:13,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481943509] [2023-12-02 15:24:13,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:15,012 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 15:24:15,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:15,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481943509] [2023-12-02 15:24:15,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481943509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:15,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:15,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-02 15:24:15,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103735525] [2023-12-02 15:24:15,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:15,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-02 15:24:15,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:15,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-02 15:24:15,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:24:15,015 INFO L87 Difference]: Start difference. First operand 4838 states and 13113 transitions. Second operand has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:19,095 INFO L93 Difference]: Finished difference Result 5507 states and 14538 transitions. [2023-12-02 15:24:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 15:24:19,096 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-12-02 15:24:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:19,103 INFO L225 Difference]: With dead ends: 5507 [2023-12-02 15:24:19,103 INFO L226 Difference]: Without dead ends: 5507 [2023-12-02 15:24:19,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1340, Invalid=5140, Unknown=0, NotChecked=0, Total=6480 [2023-12-02 15:24:19,106 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 2488 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 2734 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 4530 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:19,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 4530 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2734 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 15:24:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5507 states. [2023-12-02 15:24:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5507 to 5053. [2023-12-02 15:24:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5053 states, 5049 states have (on average 2.7163794810853634) internal successors, (13715), 5052 states have internal predecessors, (13715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5053 states to 5053 states and 13715 transitions. [2023-12-02 15:24:19,188 INFO L78 Accepts]: Start accepts. Automaton has 5053 states and 13715 transitions. Word has length 89 [2023-12-02 15:24:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:19,188 INFO L495 AbstractCegarLoop]: Abstraction has 5053 states and 13715 transitions. [2023-12-02 15:24:19,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5053 states and 13715 transitions. [2023-12-02 15:24:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 15:24:19,194 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:19,194 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 15:24:19,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 15:24:19,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:19,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:19,195 INFO L85 PathProgramCache]: Analyzing trace with hash 85001218, now seen corresponding path program 1 times [2023-12-02 15:24:19,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:19,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586781151] [2023-12-02 15:24:19,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:19,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:19,658 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 15:24:19,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586781151] [2023-12-02 15:24:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586781151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:19,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:19,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:24:19,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348533347] [2023-12-02 15:24:19,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:19,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:24:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:19,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:24:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:24:19,660 INFO L87 Difference]: Start difference. First operand 5053 states and 13715 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 15:24:19,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:19,846 INFO L93 Difference]: Finished difference Result 5064 states and 13726 transitions. [2023-12-02 15:24:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:24:19,847 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 15:24:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:19,855 INFO L225 Difference]: With dead ends: 5064 [2023-12-02 15:24:19,855 INFO L226 Difference]: Without dead ends: 4959 [2023-12-02 15:24:19,855 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 15:24:19,856 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 48 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:19,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 405 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:24:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2023-12-02 15:24:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4959. [2023-12-02 15:24:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4959 states, 4957 states have (on average 2.745007060722211) internal successors, (13607), 4958 states have internal predecessors, (13607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 4959 states and 13607 transitions. [2023-12-02 15:24:19,933 INFO L78 Accepts]: Start accepts. Automaton has 4959 states and 13607 transitions. Word has length 95 [2023-12-02 15:24:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:19,934 INFO L495 AbstractCegarLoop]: Abstraction has 4959 states and 13607 transitions. [2023-12-02 15:24:19,934 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 15:24:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 13607 transitions. [2023-12-02 15:24:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:24:19,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:19,940 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] [2023-12-02 15:24:19,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 15:24:19,941 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:19,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:19,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1877967697, now seen corresponding path program 1 times [2023-12-02 15:24:19,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:19,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143868819] [2023-12-02 15:24:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:19,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:21,047 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 15:24:21,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:21,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143868819] [2023-12-02 15:24:21,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143868819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:21,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:21,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:24:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922454030] [2023-12-02 15:24:21,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:21,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:24:21,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:21,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:24:21,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:24:21,050 INFO L87 Difference]: Start difference. First operand 4959 states and 13607 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:30,213 INFO L93 Difference]: Finished difference Result 12208 states and 32959 transitions. [2023-12-02 15:24:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 15:24:30,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:24:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:30,233 INFO L225 Difference]: With dead ends: 12208 [2023-12-02 15:24:30,233 INFO L226 Difference]: Without dead ends: 12208 [2023-12-02 15:24:30,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5777 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3223, Invalid=16237, Unknown=0, NotChecked=0, Total=19460 [2023-12-02 15:24:30,239 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 1919 mSDsluCounter, 5867 mSDsCounter, 0 mSdLazyCounter, 5527 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 6359 SdHoareTripleChecker+Invalid, 5659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 5527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:30,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 6359 Invalid, 5659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 5527 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-02 15:24:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12208 states. [2023-12-02 15:24:30,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12208 to 5779. [2023-12-02 15:24:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5779 states, 5777 states have (on average 2.7812013155617104) internal successors, (16067), 5778 states have internal predecessors, (16067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5779 states to 5779 states and 16067 transitions. [2023-12-02 15:24:30,395 INFO L78 Accepts]: Start accepts. Automaton has 5779 states and 16067 transitions. Word has length 98 [2023-12-02 15:24:30,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:30,395 INFO L495 AbstractCegarLoop]: Abstraction has 5779 states and 16067 transitions. [2023-12-02 15:24:30,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5779 states and 16067 transitions. [2023-12-02 15:24:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:24:30,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:30,404 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] [2023-12-02 15:24:30,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 15:24:30,404 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:30,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:30,404 INFO L85 PathProgramCache]: Analyzing trace with hash 970951375, now seen corresponding path program 2 times [2023-12-02 15:24:30,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:30,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639227217] [2023-12-02 15:24:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:30,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:31,376 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 15:24:31,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:31,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639227217] [2023-12-02 15:24:31,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639227217] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:31,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:31,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:24:31,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491052743] [2023-12-02 15:24:31,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:31,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:24:31,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:31,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:24:31,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:24:31,378 INFO L87 Difference]: Start difference. First operand 5779 states and 16067 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:42,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:42,004 INFO L93 Difference]: Finished difference Result 13044 states and 35434 transitions. [2023-12-02 15:24:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2023-12-02 15:24:42,004 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:24:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:42,027 INFO L225 Difference]: With dead ends: 13044 [2023-12-02 15:24:42,027 INFO L226 Difference]: Without dead ends: 13044 [2023-12-02 15:24:42,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9130 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=4359, Invalid=24033, Unknown=0, NotChecked=0, Total=28392 [2023-12-02 15:24:42,035 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1693 mSDsluCounter, 6488 mSDsCounter, 0 mSdLazyCounter, 6154 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 7011 SdHoareTripleChecker+Invalid, 6282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 6154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:42,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 7011 Invalid, 6282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 6154 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:24:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13044 states. [2023-12-02 15:24:42,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13044 to 5859. [2023-12-02 15:24:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5859 states, 5857 states have (on average 2.7841898582892264) internal successors, (16307), 5858 states have internal predecessors, (16307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 16307 transitions. [2023-12-02 15:24:42,158 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 16307 transitions. Word has length 98 [2023-12-02 15:24:42,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:42,158 INFO L495 AbstractCegarLoop]: Abstraction has 5859 states and 16307 transitions. [2023-12-02 15:24:42,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 16307 transitions. [2023-12-02 15:24:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:24:42,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:42,166 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] [2023-12-02 15:24:42,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 15:24:42,166 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:42,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:42,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1693239057, now seen corresponding path program 3 times [2023-12-02 15:24:42,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:42,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029023023] [2023-12-02 15:24:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:42,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:43,060 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 15:24:43,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:43,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029023023] [2023-12-02 15:24:43,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029023023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:43,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:43,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:24:43,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587375552] [2023-12-02 15:24:43,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:43,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:24:43,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:24:43,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:24:43,062 INFO L87 Difference]: Start difference. First operand 5859 states and 16307 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:53,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:24:53,368 INFO L93 Difference]: Finished difference Result 12905 states and 35044 transitions. [2023-12-02 15:24:53,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-12-02 15:24:53,369 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:24:53,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:24:53,389 INFO L225 Difference]: With dead ends: 12905 [2023-12-02 15:24:53,389 INFO L226 Difference]: Without dead ends: 12905 [2023-12-02 15:24:53,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8289 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=4071, Invalid=22335, Unknown=0, NotChecked=0, Total=26406 [2023-12-02 15:24:53,393 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1812 mSDsluCounter, 6122 mSDsCounter, 0 mSdLazyCounter, 5973 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 6649 SdHoareTripleChecker+Invalid, 6095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 5973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:24:53,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 6649 Invalid, 6095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 5973 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 15:24:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2023-12-02 15:24:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 6019. [2023-12-02 15:24:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 6017 states have (on average 2.78992853581519) internal successors, (16787), 6018 states have internal predecessors, (16787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 16787 transitions. [2023-12-02 15:24:53,591 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 16787 transitions. Word has length 98 [2023-12-02 15:24:53,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:24:53,591 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 16787 transitions. [2023-12-02 15:24:53,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:24:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 16787 transitions. [2023-12-02 15:24:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:24:53,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:24:53,600 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] [2023-12-02 15:24:53,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 15:24:53,600 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:24:53,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:24:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash -631876399, now seen corresponding path program 4 times [2023-12-02 15:24:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:24:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287007228] [2023-12-02 15:24:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:24:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:24:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:24:54,567 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 15:24:54,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:24:54,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287007228] [2023-12-02 15:24:54,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287007228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:24:54,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:24:54,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:24:54,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284723438] [2023-12-02 15:24:54,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:24:54,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:24:54,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:24:54,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:24:54,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:24:54,569 INFO L87 Difference]: Start difference. First operand 6019 states and 16787 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:04,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:25:04,324 INFO L93 Difference]: Finished difference Result 13071 states and 35620 transitions. [2023-12-02 15:25:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 15:25:04,325 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:25:04,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:25:04,347 INFO L225 Difference]: With dead ends: 13071 [2023-12-02 15:25:04,347 INFO L226 Difference]: Without dead ends: 13071 [2023-12-02 15:25:04,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5444 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2890, Invalid=15470, Unknown=0, NotChecked=0, Total=18360 [2023-12-02 15:25:04,350 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 1801 mSDsluCounter, 7226 mSDsCounter, 0 mSdLazyCounter, 6607 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 7739 SdHoareTripleChecker+Invalid, 6692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 6607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:25:04,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 7739 Invalid, 6692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [85 Valid, 6607 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-02 15:25:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13071 states. [2023-12-02 15:25:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13071 to 6139. [2023-12-02 15:25:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6139 states, 6137 states have (on average 2.7940361740263975) internal successors, (17147), 6138 states have internal predecessors, (17147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6139 states to 6139 states and 17147 transitions. [2023-12-02 15:25:04,500 INFO L78 Accepts]: Start accepts. Automaton has 6139 states and 17147 transitions. Word has length 98 [2023-12-02 15:25:04,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:25:04,500 INFO L495 AbstractCegarLoop]: Abstraction has 6139 states and 17147 transitions. [2023-12-02 15:25:04,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 6139 states and 17147 transitions. [2023-12-02 15:25:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:25:04,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:25:04,514 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] [2023-12-02 15:25:04,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 15:25:04,514 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:25:04,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:25:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 238244751, now seen corresponding path program 5 times [2023-12-02 15:25:04,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:25:04,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122323905] [2023-12-02 15:25:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:25:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:25:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:25:05,450 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 15:25:05,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:25:05,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122323905] [2023-12-02 15:25:05,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122323905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:25:05,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:25:05,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:25:05,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894023218] [2023-12-02 15:25:05,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:25:05,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:25:05,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:25:05,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:25:05,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:25:05,452 INFO L87 Difference]: Start difference. First operand 6139 states and 17147 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:16,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:25:16,102 INFO L93 Difference]: Finished difference Result 13283 states and 36228 transitions. [2023-12-02 15:25:16,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-12-02 15:25:16,103 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:25:16,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:25:16,126 INFO L225 Difference]: With dead ends: 13283 [2023-12-02 15:25:16,126 INFO L226 Difference]: Without dead ends: 13283 [2023-12-02 15:25:16,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9133 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4193, Invalid=23863, Unknown=0, NotChecked=0, Total=28056 [2023-12-02 15:25:16,128 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1995 mSDsluCounter, 5402 mSDsCounter, 0 mSdLazyCounter, 5055 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 5192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 5055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:25:16,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 5924 Invalid, 5192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 5055 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 15:25:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13283 states. [2023-12-02 15:25:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13283 to 6219. [2023-12-02 15:25:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6219 states, 6217 states have (on average 2.796686504745054) internal successors, (17387), 6218 states have internal predecessors, (17387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 17387 transitions. [2023-12-02 15:25:16,292 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 17387 transitions. Word has length 98 [2023-12-02 15:25:16,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:25:16,293 INFO L495 AbstractCegarLoop]: Abstraction has 6219 states and 17387 transitions. [2023-12-02 15:25:16,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 17387 transitions. [2023-12-02 15:25:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:25:16,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:25:16,307 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] [2023-12-02 15:25:16,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 15:25:16,308 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:25:16,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:25:16,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1869021615, now seen corresponding path program 6 times [2023-12-02 15:25:16,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:25:16,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038029275] [2023-12-02 15:25:16,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:25:16,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:25:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:25:17,293 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 15:25:17,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:25:17,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038029275] [2023-12-02 15:25:17,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038029275] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:25:17,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:25:17,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:25:17,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213872166] [2023-12-02 15:25:17,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:25:17,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:25:17,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:25:17,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:25:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:25:17,295 INFO L87 Difference]: Start difference. First operand 6219 states and 17387 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:25:29,736 INFO L93 Difference]: Finished difference Result 13339 states and 36365 transitions. [2023-12-02 15:25:29,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-12-02 15:25:29,736 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:25:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:25:29,759 INFO L225 Difference]: With dead ends: 13339 [2023-12-02 15:25:29,759 INFO L226 Difference]: Without dead ends: 13339 [2023-12-02 15:25:29,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9682 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=4362, Invalid=25394, Unknown=0, NotChecked=0, Total=29756 [2023-12-02 15:25:29,762 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1842 mSDsluCounter, 7110 mSDsCounter, 0 mSdLazyCounter, 6552 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 7657 SdHoareTripleChecker+Invalid, 6657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 6552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:25:29,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 7657 Invalid, 6657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [105 Valid, 6552 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 15:25:29,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13339 states. [2023-12-02 15:25:29,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13339 to 6139. [2023-12-02 15:25:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6139 states, 6137 states have (on average 2.7940361740263975) internal successors, (17147), 6138 states have internal predecessors, (17147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6139 states to 6139 states and 17147 transitions. [2023-12-02 15:25:29,920 INFO L78 Accepts]: Start accepts. Automaton has 6139 states and 17147 transitions. Word has length 98 [2023-12-02 15:25:29,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:25:29,921 INFO L495 AbstractCegarLoop]: Abstraction has 6139 states and 17147 transitions. [2023-12-02 15:25:29,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:29,921 INFO L276 IsEmpty]: Start isEmpty. Operand 6139 states and 17147 transitions. [2023-12-02 15:25:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:25:29,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:25:29,931 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] [2023-12-02 15:25:29,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 15:25:29,931 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:25:29,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:25:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash 619963057, now seen corresponding path program 7 times [2023-12-02 15:25:29,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:25:29,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144423767] [2023-12-02 15:25:29,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:25:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:25:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:25:30,972 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 15:25:30,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:25:30,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144423767] [2023-12-02 15:25:30,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144423767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:25:30,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:25:30,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:25:30,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733733911] [2023-12-02 15:25:30,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:25:30,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:25:30,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:25:30,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:25:30,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:25:30,975 INFO L87 Difference]: Start difference. First operand 6139 states and 17147 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:25:42,194 INFO L93 Difference]: Finished difference Result 12741 states and 34736 transitions. [2023-12-02 15:25:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 15:25:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:25:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:25:42,216 INFO L225 Difference]: With dead ends: 12741 [2023-12-02 15:25:42,216 INFO L226 Difference]: Without dead ends: 12741 [2023-12-02 15:25:42,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8513 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4229, Invalid=22503, Unknown=0, NotChecked=0, Total=26732 [2023-12-02 15:25:42,219 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 2214 mSDsluCounter, 5881 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 6457 SdHoareTripleChecker+Invalid, 5374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:25:42,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 6457 Invalid, 5374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [133 Valid, 5241 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 15:25:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12741 states. [2023-12-02 15:25:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12741 to 6379. [2023-12-02 15:25:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6377 states have (on average 2.8017876744550727) internal successors, (17867), 6378 states have internal predecessors, (17867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 17867 transitions. [2023-12-02 15:25:42,378 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 17867 transitions. Word has length 98 [2023-12-02 15:25:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:25:42,379 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 17867 transitions. [2023-12-02 15:25:42,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 17867 transitions. [2023-12-02 15:25:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:25:42,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:25:42,390 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] [2023-12-02 15:25:42,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 15:25:42,390 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:25:42,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:25:42,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1695747539, now seen corresponding path program 8 times [2023-12-02 15:25:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:25:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223567690] [2023-12-02 15:25:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:25:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:25:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:25:43,428 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 15:25:43,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:25:43,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223567690] [2023-12-02 15:25:43,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223567690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:25:43,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:25:43,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:25:43,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928107761] [2023-12-02 15:25:43,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:25:43,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:25:43,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:25:43,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:25:43,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:25:43,431 INFO L87 Difference]: Start difference. First operand 6379 states and 17867 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:25:53,476 INFO L93 Difference]: Finished difference Result 13229 states and 36088 transitions. [2023-12-02 15:25:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 15:25:53,476 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:25:53,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:25:53,491 INFO L225 Difference]: With dead ends: 13229 [2023-12-02 15:25:53,491 INFO L226 Difference]: Without dead ends: 13229 [2023-12-02 15:25:53,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8600 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3987, Invalid=22745, Unknown=0, NotChecked=0, Total=26732 [2023-12-02 15:25:53,493 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 2016 mSDsluCounter, 5920 mSDsCounter, 0 mSdLazyCounter, 5407 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 6472 SdHoareTripleChecker+Invalid, 5557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 5407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:25:53,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 6472 Invalid, 5557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 5407 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-02 15:25:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13229 states. [2023-12-02 15:25:53,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13229 to 6419. [2023-12-02 15:25:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6419 states, 6417 states have (on average 2.803023219573009) internal successors, (17987), 6418 states have internal predecessors, (17987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6419 states to 6419 states and 17987 transitions. [2023-12-02 15:25:53,608 INFO L78 Accepts]: Start accepts. Automaton has 6419 states and 17987 transitions. Word has length 98 [2023-12-02 15:25:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:25:53,608 INFO L495 AbstractCegarLoop]: Abstraction has 6419 states and 17987 transitions. [2023-12-02 15:25:53,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:25:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 6419 states and 17987 transitions. [2023-12-02 15:25:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:25:53,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:25:53,613 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] [2023-12-02 15:25:53,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 15:25:53,613 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:25:53,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:25:53,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1729098607, now seen corresponding path program 9 times [2023-12-02 15:25:53,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:25:53,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452224002] [2023-12-02 15:25:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:25:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:25:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:25:54,437 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 15:25:54,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:25:54,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452224002] [2023-12-02 15:25:54,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452224002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:25:54,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:25:54,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:25:54,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991004956] [2023-12-02 15:25:54,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:25:54,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:25:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:25:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:25:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:25:54,439 INFO L87 Difference]: Start difference. First operand 6419 states and 17987 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:26:06,545 INFO L93 Difference]: Finished difference Result 13296 states and 36274 transitions. [2023-12-02 15:26:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-12-02 15:26:06,546 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:26:06,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:26:06,568 INFO L225 Difference]: With dead ends: 13296 [2023-12-02 15:26:06,568 INFO L226 Difference]: Without dead ends: 13296 [2023-12-02 15:26:06,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9958 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=4761, Invalid=25689, Unknown=0, NotChecked=0, Total=30450 [2023-12-02 15:26:06,571 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1827 mSDsluCounter, 8048 mSDsCounter, 0 mSdLazyCounter, 7182 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 8604 SdHoareTripleChecker+Invalid, 7303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 7182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:26:06,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 8604 Invalid, 7303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 7182 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-12-02 15:26:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13296 states. [2023-12-02 15:26:06,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13296 to 6499. [2023-12-02 15:26:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6499 states, 6497 states have (on average 2.8054486686162843) internal successors, (18227), 6498 states have internal predecessors, (18227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 18227 transitions. [2023-12-02 15:26:06,785 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 18227 transitions. Word has length 98 [2023-12-02 15:26:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:26:06,785 INFO L495 AbstractCegarLoop]: Abstraction has 6499 states and 18227 transitions. [2023-12-02 15:26:06,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 18227 transitions. [2023-12-02 15:26:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:26:06,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:26:06,793 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] [2023-12-02 15:26:06,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 15:26:06,793 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:26:06,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:26:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash -98321743, now seen corresponding path program 10 times [2023-12-02 15:26:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:26:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279828106] [2023-12-02 15:26:06,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:26:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:26:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:26:07,739 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 15:26:07,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:26:07,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279828106] [2023-12-02 15:26:07,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279828106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:26:07,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:26:07,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:26:07,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498668377] [2023-12-02 15:26:07,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:26:07,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:26:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:26:07,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:26:07,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:26:07,741 INFO L87 Difference]: Start difference. First operand 6499 states and 18227 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:26:20,478 INFO L93 Difference]: Finished difference Result 13352 states and 36411 transitions. [2023-12-02 15:26:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-12-02 15:26:20,478 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:26:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:26:20,496 INFO L225 Difference]: With dead ends: 13352 [2023-12-02 15:26:20,496 INFO L226 Difference]: Without dead ends: 13352 [2023-12-02 15:26:20,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12186 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=5340, Invalid=30950, Unknown=0, NotChecked=0, Total=36290 [2023-12-02 15:26:20,499 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 2056 mSDsluCounter, 7236 mSDsCounter, 0 mSdLazyCounter, 6665 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 7817 SdHoareTripleChecker+Invalid, 6833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 6665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:26:20,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 7817 Invalid, 6833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [168 Valid, 6665 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 15:26:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13352 states. [2023-12-02 15:26:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13352 to 6379. [2023-12-02 15:26:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6377 states have (on average 2.8017876744550727) internal successors, (17867), 6378 states have internal predecessors, (17867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 17867 transitions. [2023-12-02 15:26:20,641 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 17867 transitions. Word has length 98 [2023-12-02 15:26:20,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:26:20,641 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 17867 transitions. [2023-12-02 15:26:20,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 17867 transitions. [2023-12-02 15:26:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:26:20,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:26:20,648 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] [2023-12-02 15:26:20,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 15:26:20,648 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:26:20,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:26:20,649 INFO L85 PathProgramCache]: Analyzing trace with hash -440666831, now seen corresponding path program 11 times [2023-12-02 15:26:20,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:26:20,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360162873] [2023-12-02 15:26:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:26:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:26:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:26:21,564 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 15:26:21,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:26:21,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360162873] [2023-12-02 15:26:21,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360162873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:26:21,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:26:21,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:26:21,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716318319] [2023-12-02 15:26:21,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:26:21,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:26:21,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:26:21,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:26:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:26:21,566 INFO L87 Difference]: Start difference. First operand 6379 states and 17867 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:30,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:26:30,716 INFO L93 Difference]: Finished difference Result 13920 states and 37967 transitions. [2023-12-02 15:26:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 15:26:30,716 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:26:30,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:26:30,737 INFO L225 Difference]: With dead ends: 13920 [2023-12-02 15:26:30,737 INFO L226 Difference]: Without dead ends: 13920 [2023-12-02 15:26:30,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5856 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=3088, Invalid=16372, Unknown=0, NotChecked=0, Total=19460 [2023-12-02 15:26:30,739 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1629 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 6121 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 7130 SdHoareTripleChecker+Invalid, 6245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 6121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:26:30,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 7130 Invalid, 6245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 6121 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:26:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13920 states. [2023-12-02 15:26:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13920 to 6479. [2023-12-02 15:26:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6479 states, 6477 states have (on average 2.804847923421337) internal successors, (18167), 6478 states have internal predecessors, (18167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6479 states to 6479 states and 18167 transitions. [2023-12-02 15:26:30,875 INFO L78 Accepts]: Start accepts. Automaton has 6479 states and 18167 transitions. Word has length 98 [2023-12-02 15:26:30,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:26:30,875 INFO L495 AbstractCegarLoop]: Abstraction has 6479 states and 18167 transitions. [2023-12-02 15:26:30,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 6479 states and 18167 transitions. [2023-12-02 15:26:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:26:30,882 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:26:30,882 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] [2023-12-02 15:26:30,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 15:26:30,882 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:26:30,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:26:30,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1347683153, now seen corresponding path program 12 times [2023-12-02 15:26:30,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:26:30,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535242946] [2023-12-02 15:26:30,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:26:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:26:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:26:31,816 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 15:26:31,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:26:31,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535242946] [2023-12-02 15:26:31,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535242946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:26:31,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:26:31,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:26:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975453528] [2023-12-02 15:26:31,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:26:31,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:26:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:26:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:26:31,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:26:31,818 INFO L87 Difference]: Start difference. First operand 6479 states and 18167 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:42,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:26:42,097 INFO L93 Difference]: Finished difference Result 14204 states and 38802 transitions. [2023-12-02 15:26:42,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:26:42,098 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:26:42,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:26:42,117 INFO L225 Difference]: With dead ends: 14204 [2023-12-02 15:26:42,118 INFO L226 Difference]: Without dead ends: 14204 [2023-12-02 15:26:42,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8650 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4080, Invalid=22980, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:26:42,120 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 1831 mSDsluCounter, 6239 mSDsCounter, 0 mSdLazyCounter, 5843 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 6778 SdHoareTripleChecker+Invalid, 5940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 5843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:26:42,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 6778 Invalid, 5940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 5843 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:26:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14204 states. [2023-12-02 15:26:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14204 to 6559. [2023-12-02 15:26:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6559 states, 6557 states have (on average 2.8072289156626504) internal successors, (18407), 6558 states have internal predecessors, (18407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 18407 transitions. [2023-12-02 15:26:42,282 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 18407 transitions. Word has length 98 [2023-12-02 15:26:42,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:26:42,283 INFO L495 AbstractCegarLoop]: Abstraction has 6559 states and 18407 transitions. [2023-12-02 15:26:42,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 18407 transitions. [2023-12-02 15:26:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:26:42,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:26:42,290 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] [2023-12-02 15:26:42,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 15:26:42,290 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:26:42,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:26:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 283093711, now seen corresponding path program 13 times [2023-12-02 15:26:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:26:42,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459000635] [2023-12-02 15:26:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:26:42,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:26:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:26:43,124 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 15:26:43,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:26:43,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459000635] [2023-12-02 15:26:43,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459000635] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:26:43,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:26:43,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:26:43,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666431490] [2023-12-02 15:26:43,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:26:43,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:26:43,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:26:43,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:26:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:26:43,126 INFO L87 Difference]: Start difference. First operand 6559 states and 18407 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:26:53,955 INFO L93 Difference]: Finished difference Result 14061 states and 38408 transitions. [2023-12-02 15:26:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-12-02 15:26:53,955 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:26:53,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:26:53,973 INFO L225 Difference]: With dead ends: 14061 [2023-12-02 15:26:53,974 INFO L226 Difference]: Without dead ends: 14061 [2023-12-02 15:26:53,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10641 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=4607, Invalid=27613, Unknown=0, NotChecked=0, Total=32220 [2023-12-02 15:26:53,976 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 1687 mSDsluCounter, 6618 mSDsCounter, 0 mSdLazyCounter, 6290 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 7161 SdHoareTripleChecker+Invalid, 6401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 6290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:26:53,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 7161 Invalid, 6401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 6290 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:26:53,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14061 states. [2023-12-02 15:26:54,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14061 to 6439. [2023-12-02 15:26:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6439 states, 6437 states have (on average 2.803635233804567) internal successors, (18047), 6438 states have internal predecessors, (18047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6439 states to 6439 states and 18047 transitions. [2023-12-02 15:26:54,111 INFO L78 Accepts]: Start accepts. Automaton has 6439 states and 18047 transitions. Word has length 98 [2023-12-02 15:26:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:26:54,111 INFO L495 AbstractCegarLoop]: Abstraction has 6439 states and 18047 transitions. [2023-12-02 15:26:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:26:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 6439 states and 18047 transitions. [2023-12-02 15:26:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:26:54,117 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:26:54,117 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] [2023-12-02 15:26:54,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 15:26:54,118 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:26:54,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:26:54,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1344456369, now seen corresponding path program 14 times [2023-12-02 15:26:54,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:26:54,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433281921] [2023-12-02 15:26:54,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:26:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:26:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:26:54,945 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 15:26:54,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:26:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433281921] [2023-12-02 15:26:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433281921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:26:54,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:26:54,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:26:54,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857607277] [2023-12-02 15:26:54,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:26:54,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:26:54,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:26:54,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:26:54,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:26:54,947 INFO L87 Difference]: Start difference. First operand 6439 states and 18047 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:03,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:27:03,758 INFO L93 Difference]: Finished difference Result 13603 states and 37132 transitions. [2023-12-02 15:27:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 15:27:03,759 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:27:03,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:27:03,777 INFO L225 Difference]: With dead ends: 13603 [2023-12-02 15:27:03,778 INFO L226 Difference]: Without dead ends: 13603 [2023-12-02 15:27:03,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5362 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3025, Invalid=15335, Unknown=0, NotChecked=0, Total=18360 [2023-12-02 15:27:03,779 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 1738 mSDsluCounter, 6720 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 7239 SdHoareTripleChecker+Invalid, 6088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 5995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:27:03,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 7239 Invalid, 6088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:27:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13603 states. [2023-12-02 15:27:03,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13603 to 6479. [2023-12-02 15:27:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6479 states, 6477 states have (on average 2.804847923421337) internal successors, (18167), 6478 states have internal predecessors, (18167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6479 states to 6479 states and 18167 transitions. [2023-12-02 15:27:03,919 INFO L78 Accepts]: Start accepts. Automaton has 6479 states and 18167 transitions. Word has length 98 [2023-12-02 15:27:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:27:03,919 INFO L495 AbstractCegarLoop]: Abstraction has 6479 states and 18167 transitions. [2023-12-02 15:27:03,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 6479 states and 18167 transitions. [2023-12-02 15:27:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:27:03,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:27:03,926 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] [2023-12-02 15:27:03,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 15:27:03,927 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:27:03,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:27:03,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2080389777, now seen corresponding path program 15 times [2023-12-02 15:27:03,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:27:03,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346455848] [2023-12-02 15:27:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:27:03,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:27:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:27:04,741 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 15:27:04,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:27:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346455848] [2023-12-02 15:27:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346455848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:27:04,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:27:04,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:27:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380719155] [2023-12-02 15:27:04,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:27:04,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:27:04,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:27:04,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:27:04,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:27:04,743 INFO L87 Difference]: Start difference. First operand 6479 states and 18167 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:27:13,630 INFO L93 Difference]: Finished difference Result 13795 states and 37684 transitions. [2023-12-02 15:27:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-12-02 15:27:13,630 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:27:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:27:13,652 INFO L225 Difference]: With dead ends: 13795 [2023-12-02 15:27:13,652 INFO L226 Difference]: Without dead ends: 13795 [2023-12-02 15:27:13,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6539 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=3437, Invalid=18025, Unknown=0, NotChecked=0, Total=21462 [2023-12-02 15:27:13,654 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 1839 mSDsluCounter, 6055 mSDsCounter, 0 mSdLazyCounter, 5522 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 5522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:27:13,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 6583 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 5522 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-02 15:27:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13795 states. [2023-12-02 15:27:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13795 to 6559. [2023-12-02 15:27:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6559 states, 6557 states have (on average 2.8072289156626504) internal successors, (18407), 6558 states have internal predecessors, (18407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 18407 transitions. [2023-12-02 15:27:13,803 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 18407 transitions. Word has length 98 [2023-12-02 15:27:13,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:27:13,803 INFO L495 AbstractCegarLoop]: Abstraction has 6559 states and 18407 transitions. [2023-12-02 15:27:13,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 18407 transitions. [2023-12-02 15:27:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:27:13,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:27:13,810 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] [2023-12-02 15:27:13,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 15:27:13,810 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:27:13,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:27:13,811 INFO L85 PathProgramCache]: Analyzing trace with hash -449612913, now seen corresponding path program 16 times [2023-12-02 15:27:13,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:27:13,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887526424] [2023-12-02 15:27:13,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:27:13,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:27:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:27:14,653 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 15:27:14,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:27:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887526424] [2023-12-02 15:27:14,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887526424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:27:14,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:27:14,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:27:14,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248632950] [2023-12-02 15:27:14,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:27:14,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:27:14,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:27:14,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:27:14,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:27:14,655 INFO L87 Difference]: Start difference. First operand 6559 states and 18407 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:27:25,375 INFO L93 Difference]: Finished difference Result 13851 states and 37821 transitions. [2023-12-02 15:27:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:27:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:27:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:27:25,393 INFO L225 Difference]: With dead ends: 13851 [2023-12-02 15:27:25,394 INFO L226 Difference]: Without dead ends: 13851 [2023-12-02 15:27:25,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8620 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4119, Invalid=22941, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:27:25,395 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1653 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 6353 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 7591 SdHoareTripleChecker+Invalid, 6458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 6353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:27:25,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1653 Valid, 7591 Invalid, 6458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 6353 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-02 15:27:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2023-12-02 15:27:25,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 6419. [2023-12-02 15:27:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6419 states, 6417 states have (on average 2.803023219573009) internal successors, (17987), 6418 states have internal predecessors, (17987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6419 states to 6419 states and 17987 transitions. [2023-12-02 15:27:25,522 INFO L78 Accepts]: Start accepts. Automaton has 6419 states and 17987 transitions. Word has length 98 [2023-12-02 15:27:25,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:27:25,522 INFO L495 AbstractCegarLoop]: Abstraction has 6419 states and 17987 transitions. [2023-12-02 15:27:25,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6419 states and 17987 transitions. [2023-12-02 15:27:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:27:25,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:27:25,530 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] [2023-12-02 15:27:25,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 15:27:25,530 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:27:25,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:27:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2084538605, now seen corresponding path program 17 times [2023-12-02 15:27:25,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:27:25,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579054733] [2023-12-02 15:27:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:27:25,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:27:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:27:26,368 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 15:27:26,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:27:26,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579054733] [2023-12-02 15:27:26,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579054733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:27:26,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:27:26,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:27:26,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663308378] [2023-12-02 15:27:26,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:27:26,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:27:26,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:27:26,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:27:26,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:27:26,370 INFO L87 Difference]: Start difference. First operand 6419 states and 17987 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:27:36,720 INFO L93 Difference]: Finished difference Result 15915 states and 43199 transitions. [2023-12-02 15:27:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 15:27:36,720 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:27:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:27:36,741 INFO L225 Difference]: With dead ends: 15915 [2023-12-02 15:27:36,741 INFO L226 Difference]: Without dead ends: 15915 [2023-12-02 15:27:36,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8512 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4261, Invalid=22471, Unknown=0, NotChecked=0, Total=26732 [2023-12-02 15:27:36,743 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 2191 mSDsluCounter, 6059 mSDsCounter, 0 mSdLazyCounter, 5385 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 5385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:27:36,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 6631 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 5385 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:27:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15915 states. [2023-12-02 15:27:36,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15915 to 6659. [2023-12-02 15:27:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6659 states, 6657 states have (on average 2.8101246807871414) internal successors, (18707), 6658 states have internal predecessors, (18707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6659 states to 6659 states and 18707 transitions. [2023-12-02 15:27:36,888 INFO L78 Accepts]: Start accepts. Automaton has 6659 states and 18707 transitions. Word has length 98 [2023-12-02 15:27:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:27:36,889 INFO L495 AbstractCegarLoop]: Abstraction has 6659 states and 18707 transitions. [2023-12-02 15:27:36,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 6659 states and 18707 transitions. [2023-12-02 15:27:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:27:36,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:27:36,895 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] [2023-12-02 15:27:36,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 15:27:36,895 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:27:36,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:27:36,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1926759537, now seen corresponding path program 18 times [2023-12-02 15:27:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:27:36,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864913903] [2023-12-02 15:27:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:27:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:27:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:27:37,730 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 15:27:37,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:27:37,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864913903] [2023-12-02 15:27:37,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864913903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:27:37,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:27:37,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:27:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245936914] [2023-12-02 15:27:37,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:27:37,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:27:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:27:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:27:37,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:27:37,733 INFO L87 Difference]: Start difference. First operand 6659 states and 18707 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:27:50,055 INFO L93 Difference]: Finished difference Result 15013 states and 40907 transitions. [2023-12-02 15:27:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-12-02 15:27:50,056 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:27:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:27:50,076 INFO L225 Difference]: With dead ends: 15013 [2023-12-02 15:27:50,076 INFO L226 Difference]: Without dead ends: 15013 [2023-12-02 15:27:50,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9533 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=4405, Invalid=25007, Unknown=0, NotChecked=0, Total=29412 [2023-12-02 15:27:50,078 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 1982 mSDsluCounter, 8524 mSDsCounter, 0 mSdLazyCounter, 7701 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 9120 SdHoareTripleChecker+Invalid, 7814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 7701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:27:50,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 9120 Invalid, 7814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [113 Valid, 7701 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-12-02 15:27:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15013 states. [2023-12-02 15:27:50,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15013 to 6699. [2023-12-02 15:27:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6699 states, 6697 states have (on average 2.8112587725847393) internal successors, (18827), 6698 states have internal predecessors, (18827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6699 states to 6699 states and 18827 transitions. [2023-12-02 15:27:50,266 INFO L78 Accepts]: Start accepts. Automaton has 6699 states and 18827 transitions. Word has length 98 [2023-12-02 15:27:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:27:50,266 INFO L495 AbstractCegarLoop]: Abstraction has 6699 states and 18827 transitions. [2023-12-02 15:27:50,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:27:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6699 states and 18827 transitions. [2023-12-02 15:27:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:27:50,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:27:50,272 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] [2023-12-02 15:27:50,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 15:27:50,273 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:27:50,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:27:50,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1461191437, now seen corresponding path program 19 times [2023-12-02 15:27:50,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:27:50,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784931365] [2023-12-02 15:27:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:27:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:27:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:27:51,118 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 15:27:51,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:27:51,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784931365] [2023-12-02 15:27:51,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784931365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:27:51,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:27:51,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:27:51,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591091020] [2023-12-02 15:27:51,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:27:51,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:27:51,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:27:51,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:27:51,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:27:51,120 INFO L87 Difference]: Start difference. First operand 6699 states and 18827 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:02,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:02,324 INFO L93 Difference]: Finished difference Result 14759 states and 40188 transitions. [2023-12-02 15:28:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-12-02 15:28:02,324 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:02,346 INFO L225 Difference]: With dead ends: 14759 [2023-12-02 15:28:02,346 INFO L226 Difference]: Without dead ends: 14759 [2023-12-02 15:28:02,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10986 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=4994, Invalid=28312, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 15:28:02,349 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 1851 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 6384 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 7446 SdHoareTripleChecker+Invalid, 6513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 6384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:02,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 7446 Invalid, 6513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 6384 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 15:28:02,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14759 states. [2023-12-02 15:28:02,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14759 to 6779. [2023-12-02 15:28:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6779 states, 6777 states have (on average 2.813486793566475) internal successors, (19067), 6778 states have internal predecessors, (19067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6779 states to 6779 states and 19067 transitions. [2023-12-02 15:28:02,505 INFO L78 Accepts]: Start accepts. Automaton has 6779 states and 19067 transitions. Word has length 98 [2023-12-02 15:28:02,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:02,505 INFO L495 AbstractCegarLoop]: Abstraction has 6779 states and 19067 transitions. [2023-12-02 15:28:02,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 6779 states and 19067 transitions. [2023-12-02 15:28:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:02,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:02,512 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] [2023-12-02 15:28:02,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 15:28:02,512 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:02,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:02,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1202998995, now seen corresponding path program 20 times [2023-12-02 15:28:02,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:02,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863999815] [2023-12-02 15:28:02,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:02,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:28:03,326 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 15:28:03,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:03,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863999815] [2023-12-02 15:28:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863999815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:28:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:28:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4603004] [2023-12-02 15:28:03,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:28:03,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:28:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:28:03,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:28:03,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:28:03,327 INFO L87 Difference]: Start difference. First operand 6779 states and 19067 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:15,699 INFO L93 Difference]: Finished difference Result 14292 states and 38846 transitions. [2023-12-02 15:28:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-12-02 15:28:15,699 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:15,717 INFO L225 Difference]: With dead ends: 14292 [2023-12-02 15:28:15,717 INFO L226 Difference]: Without dead ends: 14292 [2023-12-02 15:28:15,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12074 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=5415, Invalid=30875, Unknown=0, NotChecked=0, Total=36290 [2023-12-02 15:28:15,720 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 1920 mSDsluCounter, 7762 mSDsCounter, 0 mSdLazyCounter, 7134 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 8362 SdHoareTripleChecker+Invalid, 7239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 7134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:15,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 8362 Invalid, 7239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [105 Valid, 7134 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-02 15:28:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14292 states. [2023-12-02 15:28:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14292 to 6659. [2023-12-02 15:28:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6659 states, 6657 states have (on average 2.8101246807871414) internal successors, (18707), 6658 states have internal predecessors, (18707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6659 states to 6659 states and 18707 transitions. [2023-12-02 15:28:15,870 INFO L78 Accepts]: Start accepts. Automaton has 6659 states and 18707 transitions. Word has length 98 [2023-12-02 15:28:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:15,870 INFO L495 AbstractCegarLoop]: Abstraction has 6659 states and 18707 transitions. [2023-12-02 15:28:15,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 6659 states and 18707 transitions. [2023-12-02 15:28:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:15,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:15,877 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] [2023-12-02 15:28:15,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 15:28:15,878 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:15,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:15,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1488995599, now seen corresponding path program 21 times [2023-12-02 15:28:15,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:15,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831058846] [2023-12-02 15:28:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:28:16,696 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 15:28:16,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:16,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831058846] [2023-12-02 15:28:16,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831058846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:28:16,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:16,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:28:16,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000571062] [2023-12-02 15:28:16,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:28:16,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:28:16,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:28:16,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:28:16,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:28:16,698 INFO L87 Difference]: Start difference. First operand 6659 states and 18707 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:26,075 INFO L93 Difference]: Finished difference Result 14432 states and 39419 transitions. [2023-12-02 15:28:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 15:28:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:26,094 INFO L225 Difference]: With dead ends: 14432 [2023-12-02 15:28:26,094 INFO L226 Difference]: Without dead ends: 14432 [2023-12-02 15:28:26,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6005 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2854, Invalid=16606, Unknown=0, NotChecked=0, Total=19460 [2023-12-02 15:28:26,096 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 1821 mSDsluCounter, 7433 mSDsCounter, 0 mSdLazyCounter, 6630 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 6745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 6630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:26,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 7956 Invalid, 6745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 6630 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-02 15:28:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14432 states. [2023-12-02 15:28:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14432 to 6779. [2023-12-02 15:28:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6779 states, 6777 states have (on average 2.813486793566475) internal successors, (19067), 6778 states have internal predecessors, (19067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6779 states to 6779 states and 19067 transitions. [2023-12-02 15:28:26,246 INFO L78 Accepts]: Start accepts. Automaton has 6779 states and 19067 transitions. Word has length 98 [2023-12-02 15:28:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:26,246 INFO L495 AbstractCegarLoop]: Abstraction has 6779 states and 19067 transitions. [2023-12-02 15:28:26,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 6779 states and 19067 transitions. [2023-12-02 15:28:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:26,253 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:26,253 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] [2023-12-02 15:28:26,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 15:28:26,253 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:26,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:26,254 INFO L85 PathProgramCache]: Analyzing trace with hash 581979277, now seen corresponding path program 22 times [2023-12-02 15:28:26,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:26,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579760035] [2023-12-02 15:28:26,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:28:27,072 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 15:28:27,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:27,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579760035] [2023-12-02 15:28:27,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579760035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:28:27,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:27,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:28:27,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560197869] [2023-12-02 15:28:27,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:28:27,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:28:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:28:27,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:28:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:28:27,075 INFO L87 Difference]: Start difference. First operand 6779 states and 19067 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:36,730 INFO L93 Difference]: Finished difference Result 14716 states and 40254 transitions. [2023-12-02 15:28:36,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:28:36,731 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:36,751 INFO L225 Difference]: With dead ends: 14716 [2023-12-02 15:28:36,752 INFO L226 Difference]: Without dead ends: 14716 [2023-12-02 15:28:36,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8830 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3801, Invalid=23259, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:28:36,754 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1583 mSDsluCounter, 6399 mSDsCounter, 0 mSdLazyCounter, 5866 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 6939 SdHoareTripleChecker+Invalid, 5962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 5866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:36,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 6939 Invalid, 5962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 5866 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 15:28:36,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14716 states. [2023-12-02 15:28:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14716 to 6859. [2023-12-02 15:28:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6859 states, 6857 states have (on average 2.8156628263088814) internal successors, (19307), 6858 states have internal predecessors, (19307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6859 states to 6859 states and 19307 transitions. [2023-12-02 15:28:36,900 INFO L78 Accepts]: Start accepts. Automaton has 6859 states and 19307 transitions. Word has length 98 [2023-12-02 15:28:36,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:36,900 INFO L495 AbstractCegarLoop]: Abstraction has 6859 states and 19307 transitions. [2023-12-02 15:28:36,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6859 states and 19307 transitions. [2023-12-02 15:28:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:36,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:36,906 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] [2023-12-02 15:28:36,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 15:28:36,907 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:36,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2082211155, now seen corresponding path program 23 times [2023-12-02 15:28:36,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:36,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961248592] [2023-12-02 15:28:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:36,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:28:37,816 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 15:28:37,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961248592] [2023-12-02 15:28:37,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961248592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:28:37,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:37,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:28:37,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356958770] [2023-12-02 15:28:37,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:28:37,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:28:37,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:28:37,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:28:37,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:28:37,818 INFO L87 Difference]: Start difference. First operand 6859 states and 19307 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:49,233 INFO L93 Difference]: Finished difference Result 14573 states and 39860 transitions. [2023-12-02 15:28:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-12-02 15:28:49,233 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:49,252 INFO L225 Difference]: With dead ends: 14573 [2023-12-02 15:28:49,253 INFO L226 Difference]: Without dead ends: 14573 [2023-12-02 15:28:49,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10832 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=4319, Invalid=27901, Unknown=0, NotChecked=0, Total=32220 [2023-12-02 15:28:49,255 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1765 mSDsluCounter, 8027 mSDsCounter, 0 mSdLazyCounter, 7257 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 8571 SdHoareTripleChecker+Invalid, 7359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 7257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:49,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 8571 Invalid, 7359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [102 Valid, 7257 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-02 15:28:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14573 states. [2023-12-02 15:28:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14573 to 6739. [2023-12-02 15:28:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6739 states, 6737 states have (on average 2.8123793973578746) internal successors, (18947), 6738 states have internal predecessors, (18947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6739 states to 6739 states and 18947 transitions. [2023-12-02 15:28:49,403 INFO L78 Accepts]: Start accepts. Automaton has 6739 states and 18947 transitions. Word has length 98 [2023-12-02 15:28:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:49,403 INFO L495 AbstractCegarLoop]: Abstraction has 6739 states and 18947 transitions. [2023-12-02 15:28:49,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6739 states and 18947 transitions. [2023-12-02 15:28:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:49,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:49,410 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] [2023-12-02 15:28:49,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-02 15:28:49,411 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:49,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:49,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1020848497, now seen corresponding path program 24 times [2023-12-02 15:28:49,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:49,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411489883] [2023-12-02 15:28:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:28:50,345 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 15:28:50,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:28:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411489883] [2023-12-02 15:28:50,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411489883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:28:50,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:28:50,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:28:50,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284859862] [2023-12-02 15:28:50,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:28:50,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:28:50,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:28:50,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:28:50,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:28:50,347 INFO L87 Difference]: Start difference. First operand 6739 states and 18947 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:59,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:28:59,078 INFO L93 Difference]: Finished difference Result 13969 states and 38216 transitions. [2023-12-02 15:28:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 15:28:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:28:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:28:59,097 INFO L225 Difference]: With dead ends: 13969 [2023-12-02 15:28:59,098 INFO L226 Difference]: Without dead ends: 13969 [2023-12-02 15:28:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5413 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2944, Invalid=15416, Unknown=0, NotChecked=0, Total=18360 [2023-12-02 15:28:59,099 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1669 mSDsluCounter, 7149 mSDsCounter, 0 mSdLazyCounter, 6292 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 7649 SdHoareTripleChecker+Invalid, 6367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 6292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:28:59,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 7649 Invalid, 6367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 6292 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:28:59,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13969 states. [2023-12-02 15:28:59,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13969 to 6779. [2023-12-02 15:28:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6779 states, 6777 states have (on average 2.813486793566475) internal successors, (19067), 6778 states have internal predecessors, (19067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6779 states to 6779 states and 19067 transitions. [2023-12-02 15:28:59,235 INFO L78 Accepts]: Start accepts. Automaton has 6779 states and 19067 transitions. Word has length 98 [2023-12-02 15:28:59,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:28:59,235 INFO L495 AbstractCegarLoop]: Abstraction has 6779 states and 19067 transitions. [2023-12-02 15:28:59,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:28:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6779 states and 19067 transitions. [2023-12-02 15:28:59,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:28:59,242 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:28:59,242 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] [2023-12-02 15:28:59,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-02 15:28:59,242 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:28:59,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:28:59,242 INFO L85 PathProgramCache]: Analyzing trace with hash -150727347, now seen corresponding path program 25 times [2023-12-02 15:28:59,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:28:59,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242205585] [2023-12-02 15:28:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:28:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:28:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:00,034 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 15:29:00,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242205585] [2023-12-02 15:29:00,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242205585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:00,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:00,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:00,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041129088] [2023-12-02 15:29:00,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:00,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:00,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:00,036 INFO L87 Difference]: Start difference. First operand 6779 states and 19067 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:08,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:29:08,105 INFO L93 Difference]: Finished difference Result 14463 states and 39600 transitions. [2023-12-02 15:29:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-12-02 15:29:08,105 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:29:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:29:08,124 INFO L225 Difference]: With dead ends: 14463 [2023-12-02 15:29:08,125 INFO L226 Difference]: Without dead ends: 14463 [2023-12-02 15:29:08,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6655 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3257, Invalid=18205, Unknown=0, NotChecked=0, Total=21462 [2023-12-02 15:29:08,126 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 1596 mSDsluCounter, 5395 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 5170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 5050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:29:08,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 5914 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 15:29:08,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14463 states. [2023-12-02 15:29:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14463 to 6859. [2023-12-02 15:29:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6859 states, 6857 states have (on average 2.8156628263088814) internal successors, (19307), 6858 states have internal predecessors, (19307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6859 states to 6859 states and 19307 transitions. [2023-12-02 15:29:08,290 INFO L78 Accepts]: Start accepts. Automaton has 6859 states and 19307 transitions. Word has length 98 [2023-12-02 15:29:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:29:08,290 INFO L495 AbstractCegarLoop]: Abstraction has 6859 states and 19307 transitions. [2023-12-02 15:29:08,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 6859 states and 19307 transitions. [2023-12-02 15:29:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:29:08,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:29:08,298 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] [2023-12-02 15:29:08,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-02 15:29:08,298 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:29:08,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:29:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1480049517, now seen corresponding path program 26 times [2023-12-02 15:29:08,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:29:08,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979451633] [2023-12-02 15:29:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:29:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:29:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:09,136 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 15:29:09,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:09,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979451633] [2023-12-02 15:29:09,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979451633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:09,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:09,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:09,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148418799] [2023-12-02 15:29:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:09,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:09,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:09,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:09,138 INFO L87 Difference]: Start difference. First operand 6859 states and 19307 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:19,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:29:19,807 INFO L93 Difference]: Finished difference Result 14519 states and 39737 transitions. [2023-12-02 15:29:19,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:29:19,807 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:29:19,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:29:19,826 INFO L225 Difference]: With dead ends: 14519 [2023-12-02 15:29:19,826 INFO L226 Difference]: Without dead ends: 14519 [2023-12-02 15:29:19,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8750 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=3921, Invalid=23139, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:29:19,827 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 1795 mSDsluCounter, 7431 mSDsCounter, 0 mSdLazyCounter, 6678 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 7975 SdHoareTripleChecker+Invalid, 6769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 6678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:29:19,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 7975 Invalid, 6769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 6678 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-02 15:29:19,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14519 states. [2023-12-02 15:29:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14519 to 6719. [2023-12-02 15:29:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6719 states, 6717 states have (on average 2.8118207533124906) internal successors, (18887), 6718 states have internal predecessors, (18887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6719 states to 6719 states and 18887 transitions. [2023-12-02 15:29:19,965 INFO L78 Accepts]: Start accepts. Automaton has 6719 states and 18887 transitions. Word has length 98 [2023-12-02 15:29:19,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:29:19,965 INFO L495 AbstractCegarLoop]: Abstraction has 6719 states and 18887 transitions. [2023-12-02 15:29:19,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6719 states and 18887 transitions. [2023-12-02 15:29:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:29:19,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:29:19,972 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] [2023-12-02 15:29:19,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-02 15:29:19,972 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:29:19,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:29:19,972 INFO L85 PathProgramCache]: Analyzing trace with hash -280766261, now seen corresponding path program 27 times [2023-12-02 15:29:19,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:29:19,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923062291] [2023-12-02 15:29:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:29:19,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:29:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:20,781 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 15:29:20,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:20,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923062291] [2023-12-02 15:29:20,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923062291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:20,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:20,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665975060] [2023-12-02 15:29:20,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:20,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:20,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:20,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:20,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:20,783 INFO L87 Difference]: Start difference. First operand 6719 states and 18887 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:31,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:29:31,699 INFO L93 Difference]: Finished difference Result 17904 states and 48995 transitions. [2023-12-02 15:29:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 15:29:31,700 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:29:31,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:29:31,724 INFO L225 Difference]: With dead ends: 17904 [2023-12-02 15:29:31,724 INFO L226 Difference]: Without dead ends: 17904 [2023-12-02 15:29:31,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8728 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3910, Invalid=22822, Unknown=0, NotChecked=0, Total=26732 [2023-12-02 15:29:31,726 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 1998 mSDsluCounter, 7676 mSDsCounter, 0 mSdLazyCounter, 6626 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 8283 SdHoareTripleChecker+Invalid, 6737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 6626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:29:31,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 8283 Invalid, 6737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 6626 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-02 15:29:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17904 states. [2023-12-02 15:29:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17904 to 6799. [2023-12-02 15:29:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 6797 states have (on average 2.814035603942916) internal successors, (19127), 6798 states have internal predecessors, (19127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 19127 transitions. [2023-12-02 15:29:31,893 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 19127 transitions. Word has length 98 [2023-12-02 15:29:31,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:29:31,893 INFO L495 AbstractCegarLoop]: Abstraction has 6799 states and 19127 transitions. [2023-12-02 15:29:31,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 19127 transitions. [2023-12-02 15:29:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:29:31,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:29:31,900 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] [2023-12-02 15:29:31,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-02 15:29:31,900 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:29:31,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:29:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2902893, now seen corresponding path program 28 times [2023-12-02 15:29:31,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:29:31,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494390777] [2023-12-02 15:29:31,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:29:31,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:29:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:32,708 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 15:29:32,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:32,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494390777] [2023-12-02 15:29:32,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494390777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:32,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:32,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:32,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514885996] [2023-12-02 15:29:32,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:32,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:32,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:32,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:32,710 INFO L87 Difference]: Start difference. First operand 6799 states and 19127 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:29:42,952 INFO L93 Difference]: Finished difference Result 16286 states and 44587 transitions. [2023-12-02 15:29:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-12-02 15:29:42,952 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:29:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:29:42,972 INFO L225 Difference]: With dead ends: 16286 [2023-12-02 15:29:42,972 INFO L226 Difference]: Without dead ends: 16286 [2023-12-02 15:29:42,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9762 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4045, Invalid=25367, Unknown=0, NotChecked=0, Total=29412 [2023-12-02 15:29:42,973 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 1922 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 6138 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 6250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 6138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:29:42,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1922 Valid, 7423 Invalid, 6250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 6138 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-02 15:29:42,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16286 states. [2023-12-02 15:29:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16286 to 6839. [2023-12-02 15:29:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 6837 states have (on average 2.8151235922188094) internal successors, (19247), 6838 states have internal predecessors, (19247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 19247 transitions. [2023-12-02 15:29:43,116 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 19247 transitions. Word has length 98 [2023-12-02 15:29:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:29:43,116 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 19247 transitions. [2023-12-02 15:29:43,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 19247 transitions. [2023-12-02 15:29:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:29:43,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:29:43,122 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] [2023-12-02 15:29:43,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-02 15:29:43,122 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:29:43,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:29:43,123 INFO L85 PathProgramCache]: Analyzing trace with hash -904113429, now seen corresponding path program 29 times [2023-12-02 15:29:43,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:29:43,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859471871] [2023-12-02 15:29:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:29:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:29:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:43,925 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 15:29:43,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:43,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859471871] [2023-12-02 15:29:43,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859471871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:43,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:43,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:43,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966362104] [2023-12-02 15:29:43,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:43,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:43,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:43,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:43,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:43,927 INFO L87 Difference]: Start difference. First operand 6839 states and 19247 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:29:55,341 INFO L93 Difference]: Finished difference Result 16032 states and 43868 transitions. [2023-12-02 15:29:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-12-02 15:29:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:29:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:29:55,363 INFO L225 Difference]: With dead ends: 16032 [2023-12-02 15:29:55,363 INFO L226 Difference]: Without dead ends: 16032 [2023-12-02 15:29:55,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11212 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4643, Invalid=28663, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 15:29:55,365 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 1751 mSDsluCounter, 7742 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 8359 SdHoareTripleChecker+Invalid, 6990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:29:55,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 8359 Invalid, 6990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 6878 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-02 15:29:55,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16032 states. [2023-12-02 15:29:55,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16032 to 6919. [2023-12-02 15:29:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6919 states, 6917 states have (on average 2.8172618187075322) internal successors, (19487), 6918 states have internal predecessors, (19487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 19487 transitions. [2023-12-02 15:29:55,530 INFO L78 Accepts]: Start accepts. Automaton has 6919 states and 19487 transitions. Word has length 98 [2023-12-02 15:29:55,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:29:55,530 INFO L495 AbstractCegarLoop]: Abstraction has 6919 states and 19487 transitions. [2023-12-02 15:29:55,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:29:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6919 states and 19487 transitions. [2023-12-02 15:29:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:29:55,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:29:55,537 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] [2023-12-02 15:29:55,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-02 15:29:55,538 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:29:55,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:29:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash 726663435, now seen corresponding path program 30 times [2023-12-02 15:29:55,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:29:55,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137970387] [2023-12-02 15:29:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:29:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:29:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:29:56,369 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 15:29:56,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:29:56,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137970387] [2023-12-02 15:29:56,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137970387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:29:56,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:29:56,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:29:56,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77945093] [2023-12-02 15:29:56,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:29:56,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:29:56,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:29:56,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:29:56,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:29:56,372 INFO L87 Difference]: Start difference. First operand 6919 states and 19487 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:07,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:30:07,901 INFO L93 Difference]: Finished difference Result 15565 states and 42526 transitions. [2023-12-02 15:30:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-12-02 15:30:07,902 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:30:07,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:30:07,919 INFO L225 Difference]: With dead ends: 15565 [2023-12-02 15:30:07,919 INFO L226 Difference]: Without dead ends: 15565 [2023-12-02 15:30:07,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12294 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=5082, Invalid=31208, Unknown=0, NotChecked=0, Total=36290 [2023-12-02 15:30:07,921 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 1964 mSDsluCounter, 6646 mSDsCounter, 0 mSdLazyCounter, 6059 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 7267 SdHoareTripleChecker+Invalid, 6175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 6059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:30:07,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 7267 Invalid, 6175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [116 Valid, 6059 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 15:30:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15565 states. [2023-12-02 15:30:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15565 to 6679. [2023-12-02 15:30:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 6677 states have (on average 2.810693425190954) internal successors, (18767), 6678 states have internal predecessors, (18767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 18767 transitions. [2023-12-02 15:30:08,051 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 18767 transitions. Word has length 98 [2023-12-02 15:30:08,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:30:08,051 INFO L495 AbstractCegarLoop]: Abstraction has 6679 states and 18767 transitions. [2023-12-02 15:30:08,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 18767 transitions. [2023-12-02 15:30:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:30:08,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:30:08,057 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] [2023-12-02 15:30:08,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-02 15:30:08,057 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:30:08,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:30:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash -484239157, now seen corresponding path program 31 times [2023-12-02 15:30:08,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:30:08,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174928345] [2023-12-02 15:30:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:30:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:30:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:30:08,826 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 15:30:08,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:30:08,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174928345] [2023-12-02 15:30:08,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174928345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:30:08,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:30:08,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:30:08,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624582952] [2023-12-02 15:30:08,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:30:08,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:30:08,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:30:08,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:30:08,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:30:08,828 INFO L87 Difference]: Start difference. First operand 6679 states and 18767 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:30:19,553 INFO L93 Difference]: Finished difference Result 16749 states and 45572 transitions. [2023-12-02 15:30:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-12-02 15:30:19,553 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:30:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:30:19,576 INFO L225 Difference]: With dead ends: 16749 [2023-12-02 15:30:19,576 INFO L226 Difference]: Without dead ends: 16749 [2023-12-02 15:30:19,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9517 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=4506, Invalid=24564, Unknown=0, NotChecked=0, Total=29070 [2023-12-02 15:30:19,577 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1967 mSDsluCounter, 7160 mSDsCounter, 0 mSdLazyCounter, 6162 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 7737 SdHoareTripleChecker+Invalid, 6281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 6162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:30:19,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 7737 Invalid, 6281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [119 Valid, 6162 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-02 15:30:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16749 states. [2023-12-02 15:30:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16749 to 6799. [2023-12-02 15:30:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 6797 states have (on average 2.814035603942916) internal successors, (19127), 6798 states have internal predecessors, (19127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 19127 transitions. [2023-12-02 15:30:19,739 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 19127 transitions. Word has length 98 [2023-12-02 15:30:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:30:19,739 INFO L495 AbstractCegarLoop]: Abstraction has 6799 states and 19127 transitions. [2023-12-02 15:30:19,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 19127 transitions. [2023-12-02 15:30:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:30:19,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:30:19,746 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] [2023-12-02 15:30:19,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-02 15:30:19,746 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:30:19,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:30:19,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2075902829, now seen corresponding path program 32 times [2023-12-02 15:30:19,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:30:19,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902641458] [2023-12-02 15:30:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:30:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:30:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:30:20,606 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 15:30:20,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:30:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902641458] [2023-12-02 15:30:20,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902641458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:30:20,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:30:20,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:30:20,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382254278] [2023-12-02 15:30:20,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:30:20,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:30:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:30:20,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:30:20,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:30:20,608 INFO L87 Difference]: Start difference. First operand 6799 states and 19127 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:30:33,103 INFO L93 Difference]: Finished difference Result 17672 states and 47951 transitions. [2023-12-02 15:30:33,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-12-02 15:30:33,104 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:30:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:30:33,129 INFO L225 Difference]: With dead ends: 17672 [2023-12-02 15:30:33,129 INFO L226 Difference]: Without dead ends: 17672 [2023-12-02 15:30:33,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10578 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4678, Invalid=27184, Unknown=0, NotChecked=0, Total=31862 [2023-12-02 15:30:33,132 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 2157 mSDsluCounter, 8513 mSDsCounter, 0 mSdLazyCounter, 7501 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 9143 SdHoareTripleChecker+Invalid, 7605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 7501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:30:33,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 9143 Invalid, 7605 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [104 Valid, 7501 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-12-02 15:30:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17672 states. [2023-12-02 15:30:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17672 to 6879. [2023-12-02 15:30:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6879 states, 6877 states have (on average 2.8161989239493965) internal successors, (19367), 6878 states have internal predecessors, (19367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6879 states to 6879 states and 19367 transitions. [2023-12-02 15:30:33,331 INFO L78 Accepts]: Start accepts. Automaton has 6879 states and 19367 transitions. Word has length 98 [2023-12-02 15:30:33,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:30:33,332 INFO L495 AbstractCegarLoop]: Abstraction has 6879 states and 19367 transitions. [2023-12-02 15:30:33,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 6879 states and 19367 transitions. [2023-12-02 15:30:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:30:33,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:30:33,338 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] [2023-12-02 15:30:33,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-02 15:30:33,339 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:30:33,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:30:33,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1445829779, now seen corresponding path program 33 times [2023-12-02 15:30:33,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:30:33,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108967332] [2023-12-02 15:30:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:30:33,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:30:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:30:34,131 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 15:30:34,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:30:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108967332] [2023-12-02 15:30:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108967332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:30:34,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:30:34,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:30:34,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321035118] [2023-12-02 15:30:34,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:30:34,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:30:34,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:30:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:30:34,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:30:34,133 INFO L87 Difference]: Start difference. First operand 6879 states and 19367 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:45,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:30:45,286 INFO L93 Difference]: Finished difference Result 15717 states and 42859 transitions. [2023-12-02 15:30:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-12-02 15:30:45,287 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:30:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:30:45,306 INFO L225 Difference]: With dead ends: 15717 [2023-12-02 15:30:45,306 INFO L226 Difference]: Without dead ends: 15717 [2023-12-02 15:30:45,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11175 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=4641, Invalid=28665, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 15:30:45,308 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 1999 mSDsluCounter, 7249 mSDsCounter, 0 mSdLazyCounter, 6566 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 7868 SdHoareTripleChecker+Invalid, 6678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 6566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:30:45,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 7868 Invalid, 6678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 6566 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-02 15:30:45,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15717 states. [2023-12-02 15:30:45,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15717 to 6919. [2023-12-02 15:30:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6919 states, 6917 states have (on average 2.8172618187075322) internal successors, (19487), 6918 states have internal predecessors, (19487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 19487 transitions. [2023-12-02 15:30:45,447 INFO L78 Accepts]: Start accepts. Automaton has 6919 states and 19487 transitions. Word has length 98 [2023-12-02 15:30:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:30:45,447 INFO L495 AbstractCegarLoop]: Abstraction has 6919 states and 19487 transitions. [2023-12-02 15:30:45,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6919 states and 19487 transitions. [2023-12-02 15:30:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:30:45,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:30:45,453 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] [2023-12-02 15:30:45,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-02 15:30:45,453 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:30:45,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:30:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1942121195, now seen corresponding path program 34 times [2023-12-02 15:30:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:30:45,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462052712] [2023-12-02 15:30:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:30:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:30:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:30:46,257 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 15:30:46,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:30:46,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462052712] [2023-12-02 15:30:46,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462052712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:30:46,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:30:46,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:30:46,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987229051] [2023-12-02 15:30:46,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:30:46,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:30:46,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:30:46,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:30:46,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:30:46,258 INFO L87 Difference]: Start difference. First operand 6919 states and 19487 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:57,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:30:57,394 INFO L93 Difference]: Finished difference Result 15415 states and 42004 transitions. [2023-12-02 15:30:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-12-02 15:30:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:30:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:30:57,413 INFO L225 Difference]: With dead ends: 15415 [2023-12-02 15:30:57,413 INFO L226 Difference]: Without dead ends: 15415 [2023-12-02 15:30:57,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12720 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=5324, Invalid=32118, Unknown=0, NotChecked=0, Total=37442 [2023-12-02 15:30:57,415 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 1994 mSDsluCounter, 7044 mSDsCounter, 0 mSdLazyCounter, 6476 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 6476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:30:57,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1994 Valid, 7653 Invalid, 6600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 6476 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:30:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15415 states. [2023-12-02 15:30:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15415 to 6999. [2023-12-02 15:30:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6999 states, 6997 states have (on average 2.8193511504930684) internal successors, (19727), 6998 states have internal predecessors, (19727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 19727 transitions. [2023-12-02 15:30:57,551 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 19727 transitions. Word has length 98 [2023-12-02 15:30:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:30:57,551 INFO L495 AbstractCegarLoop]: Abstraction has 6999 states and 19727 transitions. [2023-12-02 15:30:57,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:30:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 19727 transitions. [2023-12-02 15:30:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:30:57,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:30:57,557 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] [2023-12-02 15:30:57,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-02 15:30:57,557 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:30:57,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:30:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash -722069237, now seen corresponding path program 35 times [2023-12-02 15:30:57,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:30:57,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062372259] [2023-12-02 15:30:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:30:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:30:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:30:58,442 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 15:30:58,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:30:58,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062372259] [2023-12-02 15:30:58,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062372259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:30:58,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:30:58,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:30:58,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139940165] [2023-12-02 15:30:58,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:30:58,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:30:58,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:30:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:30:58,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:30:58,443 INFO L87 Difference]: Start difference. First operand 6999 states and 19727 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:10,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:10,590 INFO L93 Difference]: Finished difference Result 14637 states and 39843 transitions. [2023-12-02 15:31:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-12-02 15:31:10,591 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:10,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:10,607 INFO L225 Difference]: With dead ends: 14637 [2023-12-02 15:31:10,608 INFO L226 Difference]: Without dead ends: 14637 [2023-12-02 15:31:10,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13862 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=5839, Invalid=34763, Unknown=0, NotChecked=0, Total=40602 [2023-12-02 15:31:10,610 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 1942 mSDsluCounter, 7923 mSDsCounter, 0 mSdLazyCounter, 7150 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 8526 SdHoareTripleChecker+Invalid, 7267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 7150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:10,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 8526 Invalid, 7267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 7150 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-02 15:31:10,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14637 states. [2023-12-02 15:31:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14637 to 6799. [2023-12-02 15:31:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 6797 states have (on average 2.814035603942916) internal successors, (19127), 6798 states have internal predecessors, (19127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 19127 transitions. [2023-12-02 15:31:10,736 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 19127 transitions. Word has length 98 [2023-12-02 15:31:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:10,736 INFO L495 AbstractCegarLoop]: Abstraction has 6799 states and 19127 transitions. [2023-12-02 15:31:10,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 19127 transitions. [2023-12-02 15:31:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:10,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:10,742 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] [2023-12-02 15:31:10,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-02 15:31:10,742 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:10,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:10,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1808893035, now seen corresponding path program 36 times [2023-12-02 15:31:10,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:10,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440149571] [2023-12-02 15:31:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:31:11,579 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 15:31:11,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:31:11,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440149571] [2023-12-02 15:31:11,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440149571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:31:11,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:31:11,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:31:11,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756260713] [2023-12-02 15:31:11,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:31:11,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:31:11,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:31:11,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:31:11,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:31:11,581 INFO L87 Difference]: Start difference. First operand 6799 states and 19127 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:20,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:20,107 INFO L93 Difference]: Finished difference Result 14636 states and 40023 transitions. [2023-12-02 15:31:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 15:31:20,108 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:20,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:20,127 INFO L225 Difference]: With dead ends: 14636 [2023-12-02 15:31:20,128 INFO L226 Difference]: Without dead ends: 14636 [2023-12-02 15:31:20,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6155 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2620, Invalid=16840, Unknown=0, NotChecked=0, Total=19460 [2023-12-02 15:31:20,129 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 1603 mSDsluCounter, 6872 mSDsCounter, 0 mSdLazyCounter, 6107 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 7371 SdHoareTripleChecker+Invalid, 6237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 6107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:20,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 7371 Invalid, 6237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 6107 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:31:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14636 states. [2023-12-02 15:31:20,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14636 to 6939. [2023-12-02 15:31:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6937 states have (on average 2.8177886694536545) internal successors, (19547), 6938 states have internal predecessors, (19547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 19547 transitions. [2023-12-02 15:31:20,284 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 19547 transitions. Word has length 98 [2023-12-02 15:31:20,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:20,284 INFO L495 AbstractCegarLoop]: Abstraction has 6939 states and 19547 transitions. [2023-12-02 15:31:20,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 19547 transitions. [2023-12-02 15:31:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:20,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:20,291 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] [2023-12-02 15:31:20,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-02 15:31:20,291 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:20,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:20,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1579057939, now seen corresponding path program 37 times [2023-12-02 15:31:20,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452934323] [2023-12-02 15:31:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:20,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:31:21,092 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 15:31:21,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:31:21,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452934323] [2023-12-02 15:31:21,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452934323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:31:21,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:31:21,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:31:21,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793939011] [2023-12-02 15:31:21,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:31:21,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:31:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:31:21,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:31:21,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:31:21,094 INFO L87 Difference]: Start difference. First operand 6939 states and 19547 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:30,282 INFO L93 Difference]: Finished difference Result 14920 states and 40858 transitions. [2023-12-02 15:31:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:31:30,282 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:30,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:30,304 INFO L225 Difference]: With dead ends: 14920 [2023-12-02 15:31:30,304 INFO L226 Difference]: Without dead ends: 14920 [2023-12-02 15:31:30,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9011 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3522, Invalid=23538, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:31:30,306 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 1530 mSDsluCounter, 6856 mSDsCounter, 0 mSdLazyCounter, 6270 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 7372 SdHoareTripleChecker+Invalid, 6376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 6270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:30,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 7372 Invalid, 6376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 6270 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-02 15:31:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2023-12-02 15:31:30,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 7019. [2023-12-02 15:31:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 7017 states have (on average 2.8198660396180704) internal successors, (19787), 7018 states have internal predecessors, (19787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 19787 transitions. [2023-12-02 15:31:30,462 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 19787 transitions. Word has length 98 [2023-12-02 15:31:30,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:30,462 INFO L495 AbstractCegarLoop]: Abstraction has 7019 states and 19787 transitions. [2023-12-02 15:31:30,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 19787 transitions. [2023-12-02 15:31:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:30,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:30,469 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] [2023-12-02 15:31:30,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-02 15:31:30,469 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:30,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1085132493, now seen corresponding path program 38 times [2023-12-02 15:31:30,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:30,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228379265] [2023-12-02 15:31:30,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:30,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:31:31,296 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 15:31:31,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:31:31,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228379265] [2023-12-02 15:31:31,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228379265] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:31:31,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:31:31,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:31:31,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877901865] [2023-12-02 15:31:31,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:31:31,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:31:31,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:31:31,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:31:31,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:31:31,298 INFO L87 Difference]: Start difference. First operand 7019 states and 19787 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:41,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:41,899 INFO L93 Difference]: Finished difference Result 14777 states and 40464 transitions. [2023-12-02 15:31:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-12-02 15:31:41,900 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:41,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:41,918 INFO L225 Difference]: With dead ends: 14777 [2023-12-02 15:31:41,919 INFO L226 Difference]: Without dead ends: 14777 [2023-12-02 15:31:41,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11024 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=4031, Invalid=28189, Unknown=0, NotChecked=0, Total=32220 [2023-12-02 15:31:41,920 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1739 mSDsluCounter, 8068 mSDsCounter, 0 mSdLazyCounter, 7161 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1739 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 7263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 7161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:41,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1739 Valid, 8588 Invalid, 7263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [102 Valid, 7161 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-02 15:31:41,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14777 states. [2023-12-02 15:31:42,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14777 to 6899. [2023-12-02 15:31:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6899 states, 6897 states have (on average 2.816731912425692) internal successors, (19427), 6898 states have internal predecessors, (19427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6899 states to 6899 states and 19427 transitions. [2023-12-02 15:31:42,058 INFO L78 Accepts]: Start accepts. Automaton has 6899 states and 19427 transitions. Word has length 98 [2023-12-02 15:31:42,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:42,058 INFO L495 AbstractCegarLoop]: Abstraction has 6899 states and 19427 transitions. [2023-12-02 15:31:42,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6899 states and 19427 transitions. [2023-12-02 15:31:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:42,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:42,065 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] [2023-12-02 15:31:42,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-02 15:31:42,065 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:42,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash -23769835, now seen corresponding path program 39 times [2023-12-02 15:31:42,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:42,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667092464] [2023-12-02 15:31:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:31:42,850 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 15:31:42,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:31:42,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667092464] [2023-12-02 15:31:42,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667092464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:31:42,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:31:42,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:31:42,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761556454] [2023-12-02 15:31:42,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:31:42,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:31:42,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:31:42,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:31:42,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:31:42,852 INFO L87 Difference]: Start difference. First operand 6899 states and 19427 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:50,037 INFO L93 Difference]: Finished difference Result 14173 states and 38820 transitions. [2023-12-02 15:31:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 15:31:50,038 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:50,057 INFO L225 Difference]: With dead ends: 14173 [2023-12-02 15:31:50,057 INFO L226 Difference]: Without dead ends: 14173 [2023-12-02 15:31:50,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5464 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2863, Invalid=15497, Unknown=0, NotChecked=0, Total=18360 [2023-12-02 15:31:50,059 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 1760 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 5378 SdHoareTripleChecker+Invalid, 4524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:50,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 5378 Invalid, 4524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 15:31:50,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14173 states. [2023-12-02 15:31:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14173 to 6939. [2023-12-02 15:31:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6937 states have (on average 2.8177886694536545) internal successors, (19547), 6938 states have internal predecessors, (19547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 19547 transitions. [2023-12-02 15:31:50,197 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 19547 transitions. Word has length 98 [2023-12-02 15:31:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:50,197 INFO L495 AbstractCegarLoop]: Abstraction has 6939 states and 19547 transitions. [2023-12-02 15:31:50,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 19547 transitions. [2023-12-02 15:31:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:50,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:50,204 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] [2023-12-02 15:31:50,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-02 15:31:50,204 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:50,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:50,204 INFO L85 PathProgramCache]: Analyzing trace with hash 846351315, now seen corresponding path program 40 times [2023-12-02 15:31:50,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082402212] [2023-12-02 15:31:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:50,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:31:51,045 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 15:31:51,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:31:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082402212] [2023-12-02 15:31:51,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082402212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:31:51,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:31:51,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:31:51,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078162378] [2023-12-02 15:31:51,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:31:51,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:31:51,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:31:51,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:31:51,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:31:51,047 INFO L87 Difference]: Start difference. First operand 6939 states and 19547 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:31:59,411 INFO L93 Difference]: Finished difference Result 14667 states and 40204 transitions. [2023-12-02 15:31:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-12-02 15:31:59,412 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:31:59,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:31:59,431 INFO L225 Difference]: With dead ends: 14667 [2023-12-02 15:31:59,431 INFO L226 Difference]: Without dead ends: 14667 [2023-12-02 15:31:59,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6771 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3077, Invalid=18385, Unknown=0, NotChecked=0, Total=21462 [2023-12-02 15:31:59,432 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1686 mSDsluCounter, 6384 mSDsCounter, 0 mSdLazyCounter, 5716 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 6879 SdHoareTripleChecker+Invalid, 5827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 5716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:31:59,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 6879 Invalid, 5827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 5716 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:31:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14667 states. [2023-12-02 15:31:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14667 to 7019. [2023-12-02 15:31:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 7017 states have (on average 2.8198660396180704) internal successors, (19787), 7018 states have internal predecessors, (19787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 19787 transitions. [2023-12-02 15:31:59,571 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 19787 transitions. Word has length 98 [2023-12-02 15:31:59,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:31:59,571 INFO L495 AbstractCegarLoop]: Abstraction has 7019 states and 19787 transitions. [2023-12-02 15:31:59,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:31:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 19787 transitions. [2023-12-02 15:31:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:31:59,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:31:59,578 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] [2023-12-02 15:31:59,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-02 15:31:59,578 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:31:59,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:31:59,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1817839117, now seen corresponding path program 41 times [2023-12-02 15:31:59,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:31:59,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276448454] [2023-12-02 15:31:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:31:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:31:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:00,409 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 15:32:00,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:00,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276448454] [2023-12-02 15:32:00,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276448454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:00,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:00,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:00,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015325147] [2023-12-02 15:32:00,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:00,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:00,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:00,411 INFO L87 Difference]: Start difference. First operand 7019 states and 19787 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:09,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:32:09,505 INFO L93 Difference]: Finished difference Result 14723 states and 40341 transitions. [2023-12-02 15:32:09,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:32:09,505 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:32:09,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:32:09,525 INFO L225 Difference]: With dead ends: 14723 [2023-12-02 15:32:09,525 INFO L226 Difference]: Without dead ends: 14723 [2023-12-02 15:32:09,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8880 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=3723, Invalid=23337, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:32:09,528 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1523 mSDsluCounter, 6137 mSDsCounter, 0 mSdLazyCounter, 5518 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 6657 SdHoareTripleChecker+Invalid, 5632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 5518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:32:09,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 6657 Invalid, 5632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 5518 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:32:09,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14723 states. [2023-12-02 15:32:09,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14723 to 6879. [2023-12-02 15:32:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6879 states, 6877 states have (on average 2.8161989239493965) internal successors, (19367), 6878 states have internal predecessors, (19367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6879 states to 6879 states and 19367 transitions. [2023-12-02 15:32:09,674 INFO L78 Accepts]: Start accepts. Automaton has 6879 states and 19367 transitions. Word has length 98 [2023-12-02 15:32:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:32:09,674 INFO L495 AbstractCegarLoop]: Abstraction has 6879 states and 19367 transitions. [2023-12-02 15:32:09,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6879 states and 19367 transitions. [2023-12-02 15:32:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:32:09,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:32:09,680 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] [2023-12-02 15:32:09,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-02 15:32:09,680 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:32:09,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:32:09,681 INFO L85 PathProgramCache]: Analyzing trace with hash 716312401, now seen corresponding path program 42 times [2023-12-02 15:32:09,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:32:09,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943287962] [2023-12-02 15:32:09,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:32:09,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:32:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:10,474 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 15:32:10,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:10,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943287962] [2023-12-02 15:32:10,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943287962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:10,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:10,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:10,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183678170] [2023-12-02 15:32:10,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:10,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:10,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:10,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:10,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:10,476 INFO L87 Difference]: Start difference. First operand 6879 states and 19367 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:20,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:32:20,198 INFO L93 Difference]: Finished difference Result 18108 states and 49599 transitions. [2023-12-02 15:32:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 15:32:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:32:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:32:20,221 INFO L225 Difference]: With dead ends: 18108 [2023-12-02 15:32:20,221 INFO L226 Difference]: Without dead ends: 18108 [2023-12-02 15:32:20,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8946 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3559, Invalid=23173, Unknown=0, NotChecked=0, Total=26732 [2023-12-02 15:32:20,223 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 1777 mSDsluCounter, 7051 mSDsCounter, 0 mSdLazyCounter, 5971 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 7634 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 5971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:32:20,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 7634 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 5971 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-02 15:32:20,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18108 states. [2023-12-02 15:32:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18108 to 6959. [2023-12-02 15:32:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 6957 states have (on average 2.8183124910162425) internal successors, (19607), 6958 states have internal predecessors, (19607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 19607 transitions. [2023-12-02 15:32:20,379 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 19607 transitions. Word has length 98 [2023-12-02 15:32:20,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:32:20,379 INFO L495 AbstractCegarLoop]: Abstraction has 6959 states and 19607 transitions. [2023-12-02 15:32:20,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 19607 transitions. [2023-12-02 15:32:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:32:20,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:32:20,386 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] [2023-12-02 15:32:20,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-02 15:32:20,386 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:32:20,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:32:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash 999981555, now seen corresponding path program 43 times [2023-12-02 15:32:20,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:32:20,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11118964] [2023-12-02 15:32:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:32:20,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:32:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:21,169 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 15:32:21,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:21,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11118964] [2023-12-02 15:32:21,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11118964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:21,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:21,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:21,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279139746] [2023-12-02 15:32:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:21,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:21,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:21,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:21,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:21,170 INFO L87 Difference]: Start difference. First operand 6959 states and 19607 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:32:32,067 INFO L93 Difference]: Finished difference Result 16490 states and 45191 transitions. [2023-12-02 15:32:32,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2023-12-02 15:32:32,067 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:32:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:32:32,088 INFO L225 Difference]: With dead ends: 16490 [2023-12-02 15:32:32,088 INFO L226 Difference]: Without dead ends: 16490 [2023-12-02 15:32:32,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9992 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=3685, Invalid=25727, Unknown=0, NotChecked=0, Total=29412 [2023-12-02 15:32:32,090 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 1703 mSDsluCounter, 8741 mSDsCounter, 0 mSdLazyCounter, 7543 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 9334 SdHoareTripleChecker+Invalid, 7652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 7543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:32:32,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 9334 Invalid, 7652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [109 Valid, 7543 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-02 15:32:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16490 states. [2023-12-02 15:32:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16490 to 6999. [2023-12-02 15:32:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6999 states, 6997 states have (on average 2.8193511504930684) internal successors, (19727), 6998 states have internal predecessors, (19727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 19727 transitions. [2023-12-02 15:32:32,240 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 19727 transitions. Word has length 98 [2023-12-02 15:32:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:32:32,240 INFO L495 AbstractCegarLoop]: Abstraction has 6999 states and 19727 transitions. [2023-12-02 15:32:32,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 19727 transitions. [2023-12-02 15:32:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:32:32,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:32:32,247 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] [2023-12-02 15:32:32,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-02 15:32:32,247 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:32:32,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:32:32,248 INFO L85 PathProgramCache]: Analyzing trace with hash 92965233, now seen corresponding path program 44 times [2023-12-02 15:32:32,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:32:32,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641042319] [2023-12-02 15:32:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:32:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:32:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:33,055 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 15:32:33,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:33,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641042319] [2023-12-02 15:32:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641042319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:33,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:33,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432451737] [2023-12-02 15:32:33,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:33,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:33,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:33,056 INFO L87 Difference]: Start difference. First operand 6999 states and 19727 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:32:44,299 INFO L93 Difference]: Finished difference Result 16236 states and 44472 transitions. [2023-12-02 15:32:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-12-02 15:32:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:32:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:32:44,322 INFO L225 Difference]: With dead ends: 16236 [2023-12-02 15:32:44,322 INFO L226 Difference]: Without dead ends: 16236 [2023-12-02 15:32:44,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11439 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=4292, Invalid=29014, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 15:32:44,325 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 1918 mSDsluCounter, 8030 mSDsCounter, 0 mSdLazyCounter, 6873 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 8623 SdHoareTripleChecker+Invalid, 6974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 6873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:32:44,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 8623 Invalid, 6974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [101 Valid, 6873 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-02 15:32:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16236 states. [2023-12-02 15:32:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16236 to 7079. [2023-12-02 15:32:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 7077 states have (on average 2.82139324572559) internal successors, (19967), 7078 states have internal predecessors, (19967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 19967 transitions. [2023-12-02 15:32:44,483 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 19967 transitions. Word has length 98 [2023-12-02 15:32:44,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:32:44,483 INFO L495 AbstractCegarLoop]: Abstraction has 7079 states and 19967 transitions. [2023-12-02 15:32:44,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 19967 transitions. [2023-12-02 15:32:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:32:44,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:32:44,490 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] [2023-12-02 15:32:44,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-02 15:32:44,490 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:32:44,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:32:44,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1723742097, now seen corresponding path program 45 times [2023-12-02 15:32:44,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:32:44,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189687548] [2023-12-02 15:32:44,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:32:44,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:32:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:45,301 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 15:32:45,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:45,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189687548] [2023-12-02 15:32:45,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189687548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:45,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:45,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:45,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322250422] [2023-12-02 15:32:45,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:45,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:45,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:45,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:45,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:45,303 INFO L87 Difference]: Start difference. First operand 7079 states and 19967 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:32:56,397 INFO L93 Difference]: Finished difference Result 15769 states and 43130 transitions. [2023-12-02 15:32:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-12-02 15:32:56,398 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:32:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:32:56,422 INFO L225 Difference]: With dead ends: 15769 [2023-12-02 15:32:56,422 INFO L226 Difference]: Without dead ends: 15769 [2023-12-02 15:32:56,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12515 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4749, Invalid=31541, Unknown=0, NotChecked=0, Total=36290 [2023-12-02 15:32:56,424 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1892 mSDsluCounter, 7302 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 7899 SdHoareTripleChecker+Invalid, 6459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:32:56,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1892 Valid, 7899 Invalid, 6459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-02 15:32:56,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15769 states. [2023-12-02 15:32:56,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15769 to 6839. [2023-12-02 15:32:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 6837 states have (on average 2.8151235922188094) internal successors, (19247), 6838 states have internal predecessors, (19247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 19247 transitions. [2023-12-02 15:32:56,574 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 19247 transitions. Word has length 98 [2023-12-02 15:32:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:32:56,574 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 19247 transitions. [2023-12-02 15:32:56,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:32:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 19247 transitions. [2023-12-02 15:32:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:32:56,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:32:56,581 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] [2023-12-02 15:32:56,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-02 15:32:56,581 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:32:56,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:32:56,581 INFO L85 PathProgramCache]: Analyzing trace with hash 512839505, now seen corresponding path program 46 times [2023-12-02 15:32:56,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:32:56,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317854848] [2023-12-02 15:32:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:32:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:32:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:32:57,394 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 15:32:57,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:32:57,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317854848] [2023-12-02 15:32:57,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317854848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:32:57,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:32:57,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:32:57,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173114094] [2023-12-02 15:32:57,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:32:57,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:32:57,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:32:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:32:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:32:57,396 INFO L87 Difference]: Start difference. First operand 6839 states and 19247 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:08,341 INFO L93 Difference]: Finished difference Result 18921 states and 51910 transitions. [2023-12-02 15:33:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-12-02 15:33:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:33:08,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:08,365 INFO L225 Difference]: With dead ends: 18921 [2023-12-02 15:33:08,365 INFO L226 Difference]: Without dead ends: 18921 [2023-12-02 15:33:08,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9766 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4101, Invalid=24969, Unknown=0, NotChecked=0, Total=29070 [2023-12-02 15:33:08,366 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 2079 mSDsluCounter, 8356 mSDsCounter, 0 mSdLazyCounter, 6821 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 8973 SdHoareTripleChecker+Invalid, 6921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 6821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 8973 Invalid, 6921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [100 Valid, 6821 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 15:33:08,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18921 states. [2023-12-02 15:33:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18921 to 6879. [2023-12-02 15:33:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6879 states, 6877 states have (on average 2.8161989239493965) internal successors, (19367), 6878 states have internal predecessors, (19367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6879 states to 6879 states and 19367 transitions. [2023-12-02 15:33:08,529 INFO L78 Accepts]: Start accepts. Automaton has 6879 states and 19367 transitions. Word has length 98 [2023-12-02 15:33:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:08,530 INFO L495 AbstractCegarLoop]: Abstraction has 6879 states and 19367 transitions. [2023-12-02 15:33:08,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6879 states and 19367 transitions. [2023-12-02 15:33:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:33:08,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:08,536 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] [2023-12-02 15:33:08,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-02 15:33:08,537 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:33:08,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:08,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1221985805, now seen corresponding path program 47 times [2023-12-02 15:33:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259748274] [2023-12-02 15:33:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:08,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:09,302 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 15:33:09,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:09,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259748274] [2023-12-02 15:33:09,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259748274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:09,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:09,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:33:09,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626393488] [2023-12-02 15:33:09,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:09,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:33:09,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:09,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:33:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:33:09,304 INFO L87 Difference]: Start difference. First operand 6879 states and 19367 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:20,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:20,958 INFO L93 Difference]: Finished difference Result 19048 states and 51937 transitions. [2023-12-02 15:33:20,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-12-02 15:33:20,959 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:33:20,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:20,987 INFO L225 Difference]: With dead ends: 19048 [2023-12-02 15:33:20,987 INFO L226 Difference]: Without dead ends: 19048 [2023-12-02 15:33:20,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10839 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4264, Invalid=27598, Unknown=0, NotChecked=0, Total=31862 [2023-12-02 15:33:20,989 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2137 mSDsluCounter, 8367 mSDsCounter, 0 mSdLazyCounter, 7097 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 9023 SdHoareTripleChecker+Invalid, 7212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 7097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:20,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 9023 Invalid, 7212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [115 Valid, 7097 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 15:33:21,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19048 states. [2023-12-02 15:33:21,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19048 to 6959. [2023-12-02 15:33:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 6957 states have (on average 2.8183124910162425) internal successors, (19607), 6958 states have internal predecessors, (19607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 19607 transitions. [2023-12-02 15:33:21,162 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 19607 transitions. Word has length 98 [2023-12-02 15:33:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:21,162 INFO L495 AbstractCegarLoop]: Abstraction has 6959 states and 19607 transitions. [2023-12-02 15:33:21,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 19607 transitions. [2023-12-02 15:33:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:33:21,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:21,168 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] [2023-12-02 15:33:21,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-02 15:33:21,169 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:33:21,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:21,169 INFO L85 PathProgramCache]: Analyzing trace with hash -448751117, now seen corresponding path program 48 times [2023-12-02 15:33:21,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:21,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125932979] [2023-12-02 15:33:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:22,039 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 15:33:22,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125932979] [2023-12-02 15:33:22,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125932979] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:22,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:22,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:33:22,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042021949] [2023-12-02 15:33:22,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:22,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:33:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:22,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:33:22,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:33:22,041 INFO L87 Difference]: Start difference. First operand 6959 states and 19607 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:32,836 INFO L93 Difference]: Finished difference Result 17093 states and 46845 transitions. [2023-12-02 15:33:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-12-02 15:33:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:33:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:32,893 INFO L225 Difference]: With dead ends: 17093 [2023-12-02 15:33:32,893 INFO L226 Difference]: Without dead ends: 17093 [2023-12-02 15:33:32,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11434 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=4236, Invalid=29070, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 15:33:32,895 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1860 mSDsluCounter, 6962 mSDsCounter, 0 mSdLazyCounter, 6125 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 6255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 6125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:32,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 7607 Invalid, 6255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 6125 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 15:33:32,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2023-12-02 15:33:33,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 6999. [2023-12-02 15:33:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6999 states, 6997 states have (on average 2.8193511504930684) internal successors, (19727), 6998 states have internal predecessors, (19727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 19727 transitions. [2023-12-02 15:33:33,044 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 19727 transitions. Word has length 98 [2023-12-02 15:33:33,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:33,044 INFO L495 AbstractCegarLoop]: Abstraction has 6999 states and 19727 transitions. [2023-12-02 15:33:33,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 19727 transitions. [2023-12-02 15:33:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:33:33,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:33,051 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, 1, 1, 1, 1] [2023-12-02 15:33:33,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-02 15:33:33,051 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:33:33,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1355767439, now seen corresponding path program 49 times [2023-12-02 15:33:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:33,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306824565] [2023-12-02 15:33:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:33,937 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 15:33:33,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:33,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306824565] [2023-12-02 15:33:33,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306824565] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:33,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:33,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:33:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094050856] [2023-12-02 15:33:33,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:33:33,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:33:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:33:33,939 INFO L87 Difference]: Start difference. First operand 6999 states and 19727 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:45,930 INFO L93 Difference]: Finished difference Result 16791 states and 45990 transitions. [2023-12-02 15:33:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-12-02 15:33:45,930 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:33:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:45,952 INFO L225 Difference]: With dead ends: 16791 [2023-12-02 15:33:45,952 INFO L226 Difference]: Without dead ends: 16791 [2023-12-02 15:33:45,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12976 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=4928, Invalid=32514, Unknown=0, NotChecked=0, Total=37442 [2023-12-02 15:33:45,955 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1763 mSDsluCounter, 8468 mSDsCounter, 0 mSdLazyCounter, 7364 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 9103 SdHoareTripleChecker+Invalid, 7484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 7364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:45,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 9103 Invalid, 7484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 7364 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-02 15:33:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16791 states. [2023-12-02 15:33:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16791 to 7079. [2023-12-02 15:33:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 7077 states have (on average 2.82139324572559) internal successors, (19967), 7078 states have internal predecessors, (19967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 19967 transitions. [2023-12-02 15:33:46,136 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 19967 transitions. Word has length 98 [2023-12-02 15:33:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:46,136 INFO L495 AbstractCegarLoop]: Abstraction has 7079 states and 19967 transitions. [2023-12-02 15:33:46,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 19967 transitions. [2023-12-02 15:33:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:33:46,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:46,143 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] [2023-12-02 15:33:46,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-02 15:33:46,143 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:33:46,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash 275009425, now seen corresponding path program 50 times [2023-12-02 15:33:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663176560] [2023-12-02 15:33:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:33:46,970 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 15:33:46,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:33:46,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663176560] [2023-12-02 15:33:46,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663176560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:33:46,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:33:46,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:33:46,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222043343] [2023-12-02 15:33:46,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:33:46,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:33:46,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:33:46,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:33:46,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:33:46,972 INFO L87 Difference]: Start difference. First operand 7079 states and 19967 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:33:59,127 INFO L93 Difference]: Finished difference Result 16013 states and 43829 transitions. [2023-12-02 15:33:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-12-02 15:33:59,127 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:33:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:33:59,148 INFO L225 Difference]: With dead ends: 16013 [2023-12-02 15:33:59,148 INFO L226 Difference]: Without dead ends: 16013 [2023-12-02 15:33:59,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14112 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=5461, Invalid=35141, Unknown=0, NotChecked=0, Total=40602 [2023-12-02 15:33:59,151 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 1705 mSDsluCounter, 7501 mSDsCounter, 0 mSdLazyCounter, 6439 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 6543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 6439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:33:59,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 8130 Invalid, 6543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 6439 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-02 15:33:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16013 states. [2023-12-02 15:33:59,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16013 to 6819. [2023-12-02 15:33:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6819 states, 6817 states have (on average 2.8145811940736394) internal successors, (19187), 6818 states have internal predecessors, (19187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6819 states to 6819 states and 19187 transitions. [2023-12-02 15:33:59,321 INFO L78 Accepts]: Start accepts. Automaton has 6819 states and 19187 transitions. Word has length 98 [2023-12-02 15:33:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:33:59,322 INFO L495 AbstractCegarLoop]: Abstraction has 6819 states and 19187 transitions. [2023-12-02 15:33:59,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:33:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6819 states and 19187 transitions. [2023-12-02 15:33:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:33:59,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:33:59,329 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] [2023-12-02 15:33:59,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-02 15:33:59,329 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:33:59,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:33:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1584659349, now seen corresponding path program 51 times [2023-12-02 15:33:59,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:33:59,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216988045] [2023-12-02 15:33:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:33:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:33:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:34:00,140 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 15:34:00,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:34:00,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216988045] [2023-12-02 15:34:00,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216988045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:34:00,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:34:00,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:34:00,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909506103] [2023-12-02 15:34:00,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:34:00,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:34:00,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:34:00,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:34:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:34:00,142 INFO L87 Difference]: Start difference. First operand 6819 states and 19187 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:34:09,781 INFO L93 Difference]: Finished difference Result 17286 states and 47096 transitions. [2023-12-02 15:34:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-12-02 15:34:09,782 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:34:09,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:34:09,803 INFO L225 Difference]: With dead ends: 17286 [2023-12-02 15:34:09,803 INFO L226 Difference]: Without dead ends: 17286 [2023-12-02 15:34:09,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10588 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=4744, Invalid=26762, Unknown=0, NotChecked=0, Total=31506 [2023-12-02 15:34:09,805 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 2351 mSDsluCounter, 6123 mSDsCounter, 0 mSdLazyCounter, 5041 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 6700 SdHoareTripleChecker+Invalid, 5167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 5041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:34:09,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 6700 Invalid, 5167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 5041 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:34:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17286 states. [2023-12-02 15:34:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17286 to 6939. [2023-12-02 15:34:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6937 states have (on average 2.8177886694536545) internal successors, (19547), 6938 states have internal predecessors, (19547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 19547 transitions. [2023-12-02 15:34:09,985 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 19547 transitions. Word has length 98 [2023-12-02 15:34:09,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:34:09,985 INFO L495 AbstractCegarLoop]: Abstraction has 6939 states and 19547 transitions. [2023-12-02 15:34:09,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 19547 transitions. [2023-12-02 15:34:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:34:09,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:34:09,992 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] [2023-12-02 15:34:09,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-02 15:34:09,993 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:34:09,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:34:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash -921370381, now seen corresponding path program 52 times [2023-12-02 15:34:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:34:09,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696028858] [2023-12-02 15:34:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:34:09,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:34:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:34:10,806 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 15:34:10,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:34:10,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696028858] [2023-12-02 15:34:10,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696028858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:34:10,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:34:10,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:34:10,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834251179] [2023-12-02 15:34:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:34:10,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:34:10,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:34:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:34:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:34:10,808 INFO L87 Difference]: Start difference. First operand 6939 states and 19547 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:22,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:34:22,923 INFO L93 Difference]: Finished difference Result 18491 states and 50249 transitions. [2023-12-02 15:34:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2023-12-02 15:34:22,923 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:34:22,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:34:22,950 INFO L225 Difference]: With dead ends: 18491 [2023-12-02 15:34:22,950 INFO L226 Difference]: Without dead ends: 18491 [2023-12-02 15:34:22,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11728 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=4863, Invalid=29547, Unknown=0, NotChecked=0, Total=34410 [2023-12-02 15:34:22,952 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 2287 mSDsluCounter, 8757 mSDsCounter, 0 mSdLazyCounter, 7438 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 9391 SdHoareTripleChecker+Invalid, 7549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 7438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:34:22,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 9391 Invalid, 7549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 7438 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-02 15:34:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18491 states. [2023-12-02 15:34:23,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18491 to 6979. [2023-12-02 15:34:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6979 states, 6977 states have (on average 2.81883330944532) internal successors, (19667), 6978 states have internal predecessors, (19667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 19667 transitions. [2023-12-02 15:34:23,109 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 19667 transitions. Word has length 98 [2023-12-02 15:34:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:34:23,109 INFO L495 AbstractCegarLoop]: Abstraction has 6979 states and 19667 transitions. [2023-12-02 15:34:23,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 19667 transitions. [2023-12-02 15:34:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:34:23,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:34:23,115 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] [2023-12-02 15:34:23,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-02 15:34:23,115 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:34:23,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:34:23,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1638771605, now seen corresponding path program 53 times [2023-12-02 15:34:23,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:34:23,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073746023] [2023-12-02 15:34:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:34:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:34:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:34:23,895 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 15:34:23,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:34:23,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073746023] [2023-12-02 15:34:23,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073746023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:34:23,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:34:23,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:34:23,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757696497] [2023-12-02 15:34:23,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:34:23,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:34:23,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:34:23,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:34:23,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:34:23,897 INFO L87 Difference]: Start difference. First operand 6979 states and 19667 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:34:36,016 INFO L93 Difference]: Finished difference Result 17949 states and 48748 transitions. [2023-12-02 15:34:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2023-12-02 15:34:36,016 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:34:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:34:36,039 INFO L225 Difference]: With dead ends: 17949 [2023-12-02 15:34:36,040 INFO L226 Difference]: Without dead ends: 17949 [2023-12-02 15:34:36,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12328 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=4852, Invalid=31058, Unknown=0, NotChecked=0, Total=35910 [2023-12-02 15:34:36,041 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 2034 mSDsluCounter, 8616 mSDsCounter, 0 mSdLazyCounter, 7472 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 9240 SdHoareTripleChecker+Invalid, 7591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 7472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:34:36,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 9240 Invalid, 7591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [119 Valid, 7472 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 15:34:36,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17949 states. [2023-12-02 15:34:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17949 to 7059. [2023-12-02 15:34:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 7057 states have (on average 2.8208870624911437) internal successors, (19907), 7058 states have internal predecessors, (19907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 19907 transitions. [2023-12-02 15:34:36,204 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 19907 transitions. Word has length 98 [2023-12-02 15:34:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:34:36,204 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 19907 transitions. [2023-12-02 15:34:36,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 19907 transitions. [2023-12-02 15:34:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:34:36,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:34:36,211 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] [2023-12-02 15:34:36,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-02 15:34:36,211 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:34:36,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:34:36,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1882961003, now seen corresponding path program 54 times [2023-12-02 15:34:36,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:34:36,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985963007] [2023-12-02 15:34:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:34:36,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:34:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:34:37,044 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 15:34:37,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:34:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985963007] [2023-12-02 15:34:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985963007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:34:37,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:34:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:34:37,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924479745] [2023-12-02 15:34:37,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:34:37,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:34:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:34:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:34:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:34:37,046 INFO L87 Difference]: Start difference. First operand 7059 states and 19907 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:34:49,306 INFO L93 Difference]: Finished difference Result 15994 states and 43656 transitions. [2023-12-02 15:34:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-12-02 15:34:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:34:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:34:49,327 INFO L225 Difference]: With dead ends: 15994 [2023-12-02 15:34:49,327 INFO L226 Difference]: Without dead ends: 15994 [2023-12-02 15:34:49,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12955 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=4862, Invalid=32580, Unknown=0, NotChecked=0, Total=37442 [2023-12-02 15:34:49,329 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 2053 mSDsluCounter, 8869 mSDsCounter, 0 mSdLazyCounter, 7672 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 9482 SdHoareTripleChecker+Invalid, 7775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 7672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:34:49,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 9482 Invalid, 7775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 7672 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-12-02 15:34:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15994 states. [2023-12-02 15:34:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15994 to 7099. [2023-12-02 15:34:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7099 states, 7097 states have (on average 2.8218965760180357) internal successors, (20027), 7098 states have internal predecessors, (20027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7099 states to 7099 states and 20027 transitions. [2023-12-02 15:34:49,473 INFO L78 Accepts]: Start accepts. Automaton has 7099 states and 20027 transitions. Word has length 98 [2023-12-02 15:34:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:34:49,474 INFO L495 AbstractCegarLoop]: Abstraction has 7099 states and 20027 transitions. [2023-12-02 15:34:49,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:34:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7099 states and 20027 transitions. [2023-12-02 15:34:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:34:49,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:34:49,480 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] [2023-12-02 15:34:49,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-02 15:34:49,480 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:34:49,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:34:49,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1504989971, now seen corresponding path program 55 times [2023-12-02 15:34:49,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:34:49,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894018808] [2023-12-02 15:34:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:34:49,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:34:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:34:50,279 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 15:34:50,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:34:50,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894018808] [2023-12-02 15:34:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894018808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:34:50,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:34:50,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:34:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078707620] [2023-12-02 15:34:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:34:50,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:34:50,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:34:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:34:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:34:50,281 INFO L87 Difference]: Start difference. First operand 7099 states and 20027 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:02,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:02,286 INFO L93 Difference]: Finished difference Result 15692 states and 42801 transitions. [2023-12-02 15:35:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-12-02 15:35:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:02,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:02,306 INFO L225 Difference]: With dead ends: 15692 [2023-12-02 15:35:02,306 INFO L226 Difference]: Without dead ends: 15692 [2023-12-02 15:35:02,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14590 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=5639, Invalid=36181, Unknown=0, NotChecked=0, Total=41820 [2023-12-02 15:35:02,308 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 2061 mSDsluCounter, 7715 mSDsCounter, 0 mSdLazyCounter, 6855 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 6979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 6855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:02,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 8318 Invalid, 6979 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [124 Valid, 6855 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 15:35:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15692 states. [2023-12-02 15:35:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15692 to 7179. [2023-12-02 15:35:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7179 states, 7177 states have (on average 2.8238818447819423) internal successors, (20267), 7178 states have internal predecessors, (20267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7179 states to 7179 states and 20267 transitions. [2023-12-02 15:35:02,451 INFO L78 Accepts]: Start accepts. Automaton has 7179 states and 20267 transitions. Word has length 98 [2023-12-02 15:35:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:02,452 INFO L495 AbstractCegarLoop]: Abstraction has 7179 states and 20267 transitions. [2023-12-02 15:35:02,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 7179 states and 20267 transitions. [2023-12-02 15:35:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:02,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:02,458 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] [2023-12-02 15:35:02,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-02 15:35:02,458 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:02,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1159200461, now seen corresponding path program 56 times [2023-12-02 15:35:02,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:02,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870565939] [2023-12-02 15:35:02,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:03,253 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 15:35:03,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:03,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870565939] [2023-12-02 15:35:03,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870565939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:03,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:03,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:03,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720998536] [2023-12-02 15:35:03,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:03,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:03,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:03,255 INFO L87 Difference]: Start difference. First operand 7179 states and 20267 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:15,386 INFO L93 Difference]: Finished difference Result 14914 states and 40640 transitions. [2023-12-02 15:35:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-12-02 15:35:15,386 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:15,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:15,407 INFO L225 Difference]: With dead ends: 14914 [2023-12-02 15:35:15,407 INFO L226 Difference]: Without dead ends: 14914 [2023-12-02 15:35:15,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15786 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=6248, Invalid=38908, Unknown=0, NotChecked=0, Total=45156 [2023-12-02 15:35:15,410 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 2052 mSDsluCounter, 7503 mSDsCounter, 0 mSdLazyCounter, 6571 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 6677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 6571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:15,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 8100 Invalid, 6677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 6571 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 15:35:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14914 states. [2023-12-02 15:35:15,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14914 to 6939. [2023-12-02 15:35:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6937 states have (on average 2.8177886694536545) internal successors, (19547), 6938 states have internal predecessors, (19547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 19547 transitions. [2023-12-02 15:35:15,576 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 19547 transitions. Word has length 98 [2023-12-02 15:35:15,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:15,576 INFO L495 AbstractCegarLoop]: Abstraction has 6939 states and 19547 transitions. [2023-12-02 15:35:15,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 19547 transitions. [2023-12-02 15:35:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:15,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:15,583 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] [2023-12-02 15:35:15,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-02 15:35:15,583 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:15,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:15,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1582539993, now seen corresponding path program 57 times [2023-12-02 15:35:15,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:15,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777679359] [2023-12-02 15:35:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:16,379 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 15:35:16,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777679359] [2023-12-02 15:35:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777679359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:16,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:16,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115230192] [2023-12-02 15:35:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:16,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:16,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:16,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:16,381 INFO L87 Difference]: Start difference. First operand 6939 states and 19547 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:23,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:23,159 INFO L93 Difference]: Finished difference Result 10598 states and 29292 transitions. [2023-12-02 15:35:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-12-02 15:35:23,159 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:23,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:23,173 INFO L225 Difference]: With dead ends: 10598 [2023-12-02 15:35:23,173 INFO L226 Difference]: Without dead ends: 10598 [2023-12-02 15:35:23,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5809 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2185, Invalid=15637, Unknown=0, NotChecked=0, Total=17822 [2023-12-02 15:35:23,175 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 1424 mSDsluCounter, 6178 mSDsCounter, 0 mSdLazyCounter, 5405 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 6616 SdHoareTripleChecker+Invalid, 5510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 5405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:23,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 6616 Invalid, 5510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 5405 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 15:35:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10598 states. [2023-12-02 15:35:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10598 to 7079. [2023-12-02 15:35:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 7077 states have (on average 2.82139324572559) internal successors, (19967), 7078 states have internal predecessors, (19967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 19967 transitions. [2023-12-02 15:35:23,299 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 19967 transitions. Word has length 98 [2023-12-02 15:35:23,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:23,300 INFO L495 AbstractCegarLoop]: Abstraction has 7079 states and 19967 transitions. [2023-12-02 15:35:23,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 19967 transitions. [2023-12-02 15:35:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:23,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:23,306 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] [2023-12-02 15:35:23,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-02 15:35:23,306 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:23,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 675523671, now seen corresponding path program 58 times [2023-12-02 15:35:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:23,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922897407] [2023-12-02 15:35:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:23,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:24,137 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 15:35:24,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:24,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922897407] [2023-12-02 15:35:24,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922897407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:24,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:24,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262648306] [2023-12-02 15:35:24,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:24,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:24,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:24,139 INFO L87 Difference]: Start difference. First operand 7079 states and 19967 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:31,791 INFO L93 Difference]: Finished difference Result 10882 states and 30127 transitions. [2023-12-02 15:35:31,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2023-12-02 15:35:31,792 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:31,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:31,806 INFO L225 Difference]: With dead ends: 10882 [2023-12-02 15:35:31,806 INFO L226 Difference]: Without dead ends: 10882 [2023-12-02 15:35:31,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8600 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2992, Invalid=22130, Unknown=0, NotChecked=0, Total=25122 [2023-12-02 15:35:31,808 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 1231 mSDsluCounter, 5881 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 6336 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:31,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 6336 Invalid, 5383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 5306 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 15:35:31,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10882 states. [2023-12-02 15:35:31,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10882 to 7159. [2023-12-02 15:35:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7159 states, 7157 states have (on average 2.8233896884169343) internal successors, (20207), 7158 states have internal predecessors, (20207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7159 states to 7159 states and 20207 transitions. [2023-12-02 15:35:31,935 INFO L78 Accepts]: Start accepts. Automaton has 7159 states and 20207 transitions. Word has length 98 [2023-12-02 15:35:31,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:31,935 INFO L495 AbstractCegarLoop]: Abstraction has 7159 states and 20207 transitions. [2023-12-02 15:35:31,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 7159 states and 20207 transitions. [2023-12-02 15:35:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:31,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:31,962 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] [2023-12-02 15:35:31,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-02 15:35:31,962 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:31,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:31,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1988666761, now seen corresponding path program 59 times [2023-12-02 15:35:31,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:31,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031775326] [2023-12-02 15:35:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:31,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:32,741 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 15:35:32,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:32,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031775326] [2023-12-02 15:35:32,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031775326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:32,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:32,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:32,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927094207] [2023-12-02 15:35:32,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:32,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:32,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:32,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:32,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:32,743 INFO L87 Difference]: Start difference. First operand 7159 states and 20207 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:40,250 INFO L93 Difference]: Finished difference Result 10739 states and 29733 transitions. [2023-12-02 15:35:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-12-02 15:35:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:40,264 INFO L225 Difference]: With dead ends: 10739 [2023-12-02 15:35:40,264 INFO L226 Difference]: Without dead ends: 10739 [2023-12-02 15:35:40,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10580 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=3442, Invalid=26660, Unknown=0, NotChecked=0, Total=30102 [2023-12-02 15:35:40,266 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1299 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 4481 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 4575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 4481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:40,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 5245 Invalid, 4575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 4481 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 15:35:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10739 states. [2023-12-02 15:35:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10739 to 7039. [2023-12-02 15:35:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7039 states, 7037 states have (on average 2.820378001989484) internal successors, (19847), 7038 states have internal predecessors, (19847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7039 states to 7039 states and 19847 transitions. [2023-12-02 15:35:40,383 INFO L78 Accepts]: Start accepts. Automaton has 7039 states and 19847 transitions. Word has length 98 [2023-12-02 15:35:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:40,383 INFO L495 AbstractCegarLoop]: Abstraction has 7039 states and 19847 transitions. [2023-12-02 15:35:40,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7039 states and 19847 transitions. [2023-12-02 15:35:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:40,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:40,389 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] [2023-12-02 15:35:40,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-02 15:35:40,390 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:40,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:40,390 INFO L85 PathProgramCache]: Analyzing trace with hash -927304103, now seen corresponding path program 60 times [2023-12-02 15:35:40,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:40,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447931190] [2023-12-02 15:35:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:41,184 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 15:35:41,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:41,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447931190] [2023-12-02 15:35:41,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447931190] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:41,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:41,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:41,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649258644] [2023-12-02 15:35:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:41,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:41,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:41,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:41,186 INFO L87 Difference]: Start difference. First operand 7039 states and 19847 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:47,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:47,483 INFO L93 Difference]: Finished difference Result 10135 states and 28089 transitions. [2023-12-02 15:35:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-12-02 15:35:47,483 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:47,496 INFO L225 Difference]: With dead ends: 10135 [2023-12-02 15:35:47,496 INFO L226 Difference]: Without dead ends: 10135 [2023-12-02 15:35:47,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5119 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=2456, Invalid=14314, Unknown=0, NotChecked=0, Total=16770 [2023-12-02 15:35:47,498 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 1226 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 4647 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 5559 SdHoareTripleChecker+Invalid, 4739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 4647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:47,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 5559 Invalid, 4739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 4647 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 15:35:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2023-12-02 15:35:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 7079. [2023-12-02 15:35:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 7077 states have (on average 2.82139324572559) internal successors, (19967), 7078 states have internal predecessors, (19967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 19967 transitions. [2023-12-02 15:35:47,613 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 19967 transitions. Word has length 98 [2023-12-02 15:35:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:47,613 INFO L495 AbstractCegarLoop]: Abstraction has 7079 states and 19967 transitions. [2023-12-02 15:35:47,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 19967 transitions. [2023-12-02 15:35:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:47,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:47,620 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] [2023-12-02 15:35:47,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-02 15:35:47,620 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:47,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -57182953, now seen corresponding path program 61 times [2023-12-02 15:35:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:47,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613912672] [2023-12-02 15:35:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:47,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:48,410 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 15:35:48,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:48,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613912672] [2023-12-02 15:35:48,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613912672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:48,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:48,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:48,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339344060] [2023-12-02 15:35:48,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:48,412 INFO L87 Difference]: Start difference. First operand 7079 states and 19967 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:35:55,078 INFO L93 Difference]: Finished difference Result 10629 states and 29473 transitions. [2023-12-02 15:35:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-12-02 15:35:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:35:55,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:35:55,092 INFO L225 Difference]: With dead ends: 10629 [2023-12-02 15:35:55,092 INFO L226 Difference]: Without dead ends: 10629 [2023-12-02 15:35:55,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6403 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2621, Invalid=17119, Unknown=0, NotChecked=0, Total=19740 [2023-12-02 15:35:55,094 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 1197 mSDsluCounter, 5461 mSDsCounter, 0 mSdLazyCounter, 4823 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 5895 SdHoareTripleChecker+Invalid, 4918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 4823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:35:55,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 5895 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 4823 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 15:35:55,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10629 states. [2023-12-02 15:35:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10629 to 7159. [2023-12-02 15:35:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7159 states, 7157 states have (on average 2.8233896884169343) internal successors, (20207), 7158 states have internal predecessors, (20207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7159 states to 7159 states and 20207 transitions. [2023-12-02 15:35:55,213 INFO L78 Accepts]: Start accepts. Automaton has 7159 states and 20207 transitions. Word has length 98 [2023-12-02 15:35:55,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:35:55,213 INFO L495 AbstractCegarLoop]: Abstraction has 7159 states and 20207 transitions. [2023-12-02 15:35:55,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:35:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7159 states and 20207 transitions. [2023-12-02 15:35:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:35:55,220 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:35:55,220 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] [2023-12-02 15:35:55,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-02 15:35:55,220 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:35:55,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:35:55,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1573593911, now seen corresponding path program 62 times [2023-12-02 15:35:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:35:55,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408683263] [2023-12-02 15:35:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:35:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:35:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:35:56,016 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 15:35:56,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:35:56,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408683263] [2023-12-02 15:35:56,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408683263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:35:56,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:35:56,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:35:56,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220590485] [2023-12-02 15:35:56,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:35:56,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:35:56,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:35:56,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:35:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:35:56,017 INFO L87 Difference]: Start difference. First operand 7159 states and 20207 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:04,054 INFO L93 Difference]: Finished difference Result 10685 states and 29610 transitions. [2023-12-02 15:36:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2023-12-02 15:36:04,054 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:04,067 INFO L225 Difference]: With dead ends: 10685 [2023-12-02 15:36:04,067 INFO L226 Difference]: Without dead ends: 10685 [2023-12-02 15:36:04,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8466 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3199, Invalid=21923, Unknown=0, NotChecked=0, Total=25122 [2023-12-02 15:36:04,068 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 1240 mSDsluCounter, 5860 mSDsCounter, 0 mSdLazyCounter, 5321 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 5321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:04,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 6319 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 5321 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 15:36:04,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10685 states. [2023-12-02 15:36:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10685 to 7019. [2023-12-02 15:36:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 7017 states have (on average 2.8198660396180704) internal successors, (19787), 7018 states have internal predecessors, (19787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 19787 transitions. [2023-12-02 15:36:04,181 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 19787 transitions. Word has length 98 [2023-12-02 15:36:04,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:04,181 INFO L495 AbstractCegarLoop]: Abstraction has 7019 states and 19787 transitions. [2023-12-02 15:36:04,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 19787 transitions. [2023-12-02 15:36:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:04,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:04,188 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] [2023-12-02 15:36:04,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-02 15:36:04,189 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:04,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:04,189 INFO L85 PathProgramCache]: Analyzing trace with hash -187221867, now seen corresponding path program 63 times [2023-12-02 15:36:04,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:04,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986790277] [2023-12-02 15:36:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:05,069 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 15:36:05,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:05,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986790277] [2023-12-02 15:36:05,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986790277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:05,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:05,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:05,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132656282] [2023-12-02 15:36:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:05,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:05,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:05,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:05,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:05,071 INFO L87 Difference]: Start difference. First operand 7019 states and 19787 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:13,612 INFO L93 Difference]: Finished difference Result 14070 states and 38868 transitions. [2023-12-02 15:36:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-12-02 15:36:13,612 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:13,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:13,631 INFO L225 Difference]: With dead ends: 14070 [2023-12-02 15:36:13,631 INFO L226 Difference]: Without dead ends: 14070 [2023-12-02 15:36:13,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8529 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3032, Invalid=21774, Unknown=0, NotChecked=0, Total=24806 [2023-12-02 15:36:13,633 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1672 mSDsluCounter, 7347 mSDsCounter, 0 mSdLazyCounter, 6289 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 7869 SdHoareTripleChecker+Invalid, 6389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 6289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:13,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 7869 Invalid, 6389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 6289 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:36:13,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14070 states. [2023-12-02 15:36:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14070 to 7099. [2023-12-02 15:36:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7099 states, 7097 states have (on average 2.8218965760180357) internal successors, (20027), 7098 states have internal predecessors, (20027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7099 states to 7099 states and 20027 transitions. [2023-12-02 15:36:13,770 INFO L78 Accepts]: Start accepts. Automaton has 7099 states and 20027 transitions. Word has length 98 [2023-12-02 15:36:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:13,771 INFO L495 AbstractCegarLoop]: Abstraction has 7099 states and 20027 transitions. [2023-12-02 15:36:13,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7099 states and 20027 transitions. [2023-12-02 15:36:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:13,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:13,777 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] [2023-12-02 15:36:13,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-02 15:36:13,777 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:13,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash 96447287, now seen corresponding path program 64 times [2023-12-02 15:36:13,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:13,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913004214] [2023-12-02 15:36:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:13,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:14,608 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 15:36:14,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:14,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913004214] [2023-12-02 15:36:14,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913004214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:14,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:14,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:14,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292565166] [2023-12-02 15:36:14,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:14,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:14,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:14,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:14,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:14,610 INFO L87 Difference]: Start difference. First operand 7099 states and 20027 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:23,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:23,276 INFO L93 Difference]: Finished difference Result 12452 states and 34460 transitions. [2023-12-02 15:36:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-12-02 15:36:23,277 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:23,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:23,293 INFO L225 Difference]: With dead ends: 12452 [2023-12-02 15:36:23,293 INFO L226 Difference]: Without dead ends: 12452 [2023-12-02 15:36:23,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9562 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3124, Invalid=24266, Unknown=0, NotChecked=0, Total=27390 [2023-12-02 15:36:23,294 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1615 mSDsluCounter, 7170 mSDsCounter, 0 mSdLazyCounter, 6215 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 6311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 6215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:23,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 7702 Invalid, 6311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 6215 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 15:36:23,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12452 states. [2023-12-02 15:36:23,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12452 to 7139. [2023-12-02 15:36:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7139 states, 7137 states have (on average 2.8228947737144456) internal successors, (20147), 7138 states have internal predecessors, (20147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7139 states to 7139 states and 20147 transitions. [2023-12-02 15:36:23,417 INFO L78 Accepts]: Start accepts. Automaton has 7139 states and 20147 transitions. Word has length 98 [2023-12-02 15:36:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:23,417 INFO L495 AbstractCegarLoop]: Abstraction has 7139 states and 20147 transitions. [2023-12-02 15:36:23,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 7139 states and 20147 transitions. [2023-12-02 15:36:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:23,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:23,424 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] [2023-12-02 15:36:23,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-02 15:36:23,424 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:23,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:23,424 INFO L85 PathProgramCache]: Analyzing trace with hash -810569035, now seen corresponding path program 65 times [2023-12-02 15:36:23,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:23,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351938339] [2023-12-02 15:36:23,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:23,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:24,223 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 15:36:24,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351938339] [2023-12-02 15:36:24,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351938339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:24,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:24,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014632001] [2023-12-02 15:36:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:24,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:24,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:24,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:24,225 INFO L87 Difference]: Start difference. First operand 7139 states and 20147 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:33,141 INFO L93 Difference]: Finished difference Result 12198 states and 33741 transitions. [2023-12-02 15:36:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-12-02 15:36:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:33,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:33,157 INFO L225 Difference]: With dead ends: 12198 [2023-12-02 15:36:33,157 INFO L226 Difference]: Without dead ends: 12198 [2023-12-02 15:36:33,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10982 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3690, Invalid=27462, Unknown=0, NotChecked=0, Total=31152 [2023-12-02 15:36:33,159 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1445 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 5981 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 7413 SdHoareTripleChecker+Invalid, 6081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 5981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:33,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 7413 Invalid, 6081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 5981 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-02 15:36:33,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12198 states. [2023-12-02 15:36:33,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12198 to 7219. [2023-12-02 15:36:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7219 states, 7217 states have (on average 2.8248579742275184) internal successors, (20387), 7218 states have internal predecessors, (20387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 20387 transitions. [2023-12-02 15:36:33,285 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 20387 transitions. Word has length 98 [2023-12-02 15:36:33,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:33,285 INFO L495 AbstractCegarLoop]: Abstraction has 7219 states and 20387 transitions. [2023-12-02 15:36:33,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 20387 transitions. [2023-12-02 15:36:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:33,292 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:33,292 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] [2023-12-02 15:36:33,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-02 15:36:33,292 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:33,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:33,293 INFO L85 PathProgramCache]: Analyzing trace with hash 820207829, now seen corresponding path program 66 times [2023-12-02 15:36:33,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:33,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836509895] [2023-12-02 15:36:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:34,124 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 15:36:34,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:34,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836509895] [2023-12-02 15:36:34,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836509895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:34,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:34,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:34,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009811233] [2023-12-02 15:36:34,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:34,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:34,125 INFO L87 Difference]: Start difference. First operand 7219 states and 20387 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:43,943 INFO L93 Difference]: Finished difference Result 11731 states and 32399 transitions. [2023-12-02 15:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-12-02 15:36:43,943 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:43,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:43,957 INFO L225 Difference]: With dead ends: 11731 [2023-12-02 15:36:43,957 INFO L226 Difference]: Without dead ends: 11731 [2023-12-02 15:36:43,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12044 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=4115, Invalid=29925, Unknown=0, NotChecked=0, Total=34040 [2023-12-02 15:36:43,959 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1524 mSDsluCounter, 7839 mSDsCounter, 0 mSdLazyCounter, 6671 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 6761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 6671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:43,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 8375 Invalid, 6761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 6671 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:36:43,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11731 states. [2023-12-02 15:36:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11731 to 6979. [2023-12-02 15:36:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6979 states, 6977 states have (on average 2.81883330944532) internal successors, (19667), 6978 states have internal predecessors, (19667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6979 states to 6979 states and 19667 transitions. [2023-12-02 15:36:44,078 INFO L78 Accepts]: Start accepts. Automaton has 6979 states and 19667 transitions. Word has length 98 [2023-12-02 15:36:44,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:44,078 INFO L495 AbstractCegarLoop]: Abstraction has 6979 states and 19667 transitions. [2023-12-02 15:36:44,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 6979 states and 19667 transitions. [2023-12-02 15:36:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:44,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:44,084 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] [2023-12-02 15:36:44,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-02 15:36:44,084 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:44,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:44,085 INFO L85 PathProgramCache]: Analyzing trace with hash -390694763, now seen corresponding path program 67 times [2023-12-02 15:36:44,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:44,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341396525] [2023-12-02 15:36:44,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:44,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:44,914 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 15:36:44,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:44,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341396525] [2023-12-02 15:36:44,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341396525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:44,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:44,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:44,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346290089] [2023-12-02 15:36:44,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:44,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:44,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:44,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:44,916 INFO L87 Difference]: Start difference. First operand 6979 states and 19667 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:36:53,550 INFO L93 Difference]: Finished difference Result 14883 states and 41179 transitions. [2023-12-02 15:36:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-12-02 15:36:53,550 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:36:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:36:53,569 INFO L225 Difference]: With dead ends: 14883 [2023-12-02 15:36:53,569 INFO L226 Difference]: Without dead ends: 14883 [2023-12-02 15:36:53,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9331 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3545, Invalid=23515, Unknown=0, NotChecked=0, Total=27060 [2023-12-02 15:36:53,571 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1788 mSDsluCounter, 7227 mSDsCounter, 0 mSdLazyCounter, 6010 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 7783 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 6010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:36:53,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 7783 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 6010 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-02 15:36:53,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14883 states. [2023-12-02 15:36:53,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14883 to 7019. [2023-12-02 15:36:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 7017 states have (on average 2.8198660396180704) internal successors, (19787), 7018 states have internal predecessors, (19787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 19787 transitions. [2023-12-02 15:36:53,704 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 19787 transitions. Word has length 98 [2023-12-02 15:36:53,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:36:53,704 INFO L495 AbstractCegarLoop]: Abstraction has 7019 states and 19787 transitions. [2023-12-02 15:36:53,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:36:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 19787 transitions. [2023-12-02 15:36:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:36:53,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:36:53,710 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, 1, 1, 1] [2023-12-02 15:36:53,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-02 15:36:53,710 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:36:53,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:36:53,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2125520073, now seen corresponding path program 68 times [2023-12-02 15:36:53,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:36:53,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132932471] [2023-12-02 15:36:53,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:36:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:36:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:36:54,490 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 15:36:54,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:36:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132932471] [2023-12-02 15:36:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132932471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:36:54,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:36:54,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:36:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522201020] [2023-12-02 15:36:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:36:54,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:36:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:36:54,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:36:54,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:36:54,492 INFO L87 Difference]: Start difference. First operand 7019 states and 19787 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:03,976 INFO L93 Difference]: Finished difference Result 15010 states and 41206 transitions. [2023-12-02 15:37:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2023-12-02 15:37:03,976 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:37:03,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:03,994 INFO L225 Difference]: With dead ends: 15010 [2023-12-02 15:37:03,994 INFO L226 Difference]: Without dead ends: 15010 [2023-12-02 15:37:03,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10389 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=3674, Invalid=26082, Unknown=0, NotChecked=0, Total=29756 [2023-12-02 15:37:03,995 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1791 mSDsluCounter, 7700 mSDsCounter, 0 mSdLazyCounter, 6416 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 8295 SdHoareTripleChecker+Invalid, 6515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 6416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:03,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 8295 Invalid, 6515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 6416 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-02 15:37:04,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2023-12-02 15:37:04,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 7099. [2023-12-02 15:37:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7099 states, 7097 states have (on average 2.8218965760180357) internal successors, (20027), 7098 states have internal predecessors, (20027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7099 states to 7099 states and 20027 transitions. [2023-12-02 15:37:04,127 INFO L78 Accepts]: Start accepts. Automaton has 7099 states and 20027 transitions. Word has length 98 [2023-12-02 15:37:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:04,127 INFO L495 AbstractCegarLoop]: Abstraction has 7099 states and 20027 transitions. [2023-12-02 15:37:04,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7099 states and 20027 transitions. [2023-12-02 15:37:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:37:04,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:04,133 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] [2023-12-02 15:37:04,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-02 15:37:04,134 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:37:04,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:04,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1352285385, now seen corresponding path program 69 times [2023-12-02 15:37:04,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:04,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83121582] [2023-12-02 15:37:04,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:04,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:04,942 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 15:37:04,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:37:04,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83121582] [2023-12-02 15:37:04,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83121582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:04,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:04,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:37:04,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48209302] [2023-12-02 15:37:04,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:04,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:37:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:37:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:37:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:37:04,944 INFO L87 Difference]: Start difference. First operand 7099 states and 20027 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:15,077 INFO L93 Difference]: Finished difference Result 13055 states and 36114 transitions. [2023-12-02 15:37:15,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-12-02 15:37:15,077 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:37:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:15,095 INFO L225 Difference]: With dead ends: 13055 [2023-12-02 15:37:15,095 INFO L226 Difference]: Without dead ends: 13055 [2023-12-02 15:37:15,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10977 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=3630, Invalid=27522, Unknown=0, NotChecked=0, Total=31152 [2023-12-02 15:37:15,098 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 1474 mSDsluCounter, 8576 mSDsCounter, 0 mSdLazyCounter, 7239 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 9160 SdHoareTripleChecker+Invalid, 7335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 7239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:15,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 9160 Invalid, 7335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 7239 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 15:37:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13055 states. [2023-12-02 15:37:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13055 to 7139. [2023-12-02 15:37:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7139 states, 7137 states have (on average 2.8228947737144456) internal successors, (20147), 7138 states have internal predecessors, (20147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7139 states to 7139 states and 20147 transitions. [2023-12-02 15:37:15,231 INFO L78 Accepts]: Start accepts. Automaton has 7139 states and 20147 transitions. Word has length 98 [2023-12-02 15:37:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:15,232 INFO L495 AbstractCegarLoop]: Abstraction has 7139 states and 20147 transitions. [2023-12-02 15:37:15,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7139 states and 20147 transitions. [2023-12-02 15:37:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:37:15,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:15,238 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] [2023-12-02 15:37:15,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-02 15:37:15,238 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:37:15,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:15,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2035665589, now seen corresponding path program 70 times [2023-12-02 15:37:15,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:15,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844450080] [2023-12-02 15:37:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:16,090 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 15:37:16,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:37:16,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844450080] [2023-12-02 15:37:16,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844450080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:16,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:37:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727712831] [2023-12-02 15:37:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:16,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:37:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:37:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:37:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:37:16,092 INFO L87 Difference]: Start difference. First operand 7139 states and 20147 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:26,038 INFO L93 Difference]: Finished difference Result 12753 states and 35259 transitions. [2023-12-02 15:37:26,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2023-12-02 15:37:26,038 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:37:26,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:26,054 INFO L225 Difference]: With dead ends: 12753 [2023-12-02 15:37:26,055 INFO L226 Difference]: Without dead ends: 12753 [2023-12-02 15:37:26,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12492 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4281, Invalid=30875, Unknown=0, NotChecked=0, Total=35156 [2023-12-02 15:37:26,057 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 1510 mSDsluCounter, 7365 mSDsCounter, 0 mSdLazyCounter, 6424 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 7939 SdHoareTripleChecker+Invalid, 6524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 6424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:26,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 7939 Invalid, 6524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 6424 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:37:26,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12753 states. [2023-12-02 15:37:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12753 to 7219. [2023-12-02 15:37:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7219 states, 7217 states have (on average 2.8248579742275184) internal successors, (20387), 7218 states have internal predecessors, (20387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 20387 transitions. [2023-12-02 15:37:26,184 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 20387 transitions. Word has length 98 [2023-12-02 15:37:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:26,184 INFO L495 AbstractCegarLoop]: Abstraction has 7219 states and 20387 transitions. [2023-12-02 15:37:26,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 20387 transitions. [2023-12-02 15:37:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:37:26,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:26,191 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] [2023-12-02 15:37:26,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-02 15:37:26,191 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:37:26,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash -628524843, now seen corresponding path program 71 times [2023-12-02 15:37:26,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:26,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236181388] [2023-12-02 15:37:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:26,989 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 15:37:26,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:37:26,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236181388] [2023-12-02 15:37:26,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236181388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:26,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:26,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:37:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698430078] [2023-12-02 15:37:26,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:26,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:37:26,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:37:26,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:37:26,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:37:26,990 INFO L87 Difference]: Start difference. First operand 7219 states and 20387 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:37:36,526 INFO L93 Difference]: Finished difference Result 11975 states and 33098 transitions. [2023-12-02 15:37:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2023-12-02 15:37:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2023-12-02 15:37:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:37:36,540 INFO L225 Difference]: With dead ends: 11975 [2023-12-02 15:37:36,540 INFO L226 Difference]: Without dead ends: 11975 [2023-12-02 15:37:36,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13614 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=4782, Invalid=33438, Unknown=0, NotChecked=0, Total=38220 [2023-12-02 15:37:36,542 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 1617 mSDsluCounter, 6111 mSDsCounter, 0 mSdLazyCounter, 5266 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 5266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:37:36,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 6679 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 5266 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-02 15:37:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11975 states. [2023-12-02 15:37:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11975 to 6959. [2023-12-02 15:37:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 6957 states have (on average 2.8183124910162425) internal successors, (19607), 6958 states have internal predecessors, (19607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 19607 transitions. [2023-12-02 15:37:36,660 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 19607 transitions. Word has length 98 [2023-12-02 15:37:36,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:37:36,660 INFO L495 AbstractCegarLoop]: Abstraction has 6959 states and 19607 transitions. [2023-12-02 15:37:36,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:37:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 19607 transitions. [2023-12-02 15:37:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:37:36,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:37:36,666 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] [2023-12-02 15:37:36,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-02 15:37:36,666 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-12-02 15:37:36,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:37:36,667 INFO L85 PathProgramCache]: Analyzing trace with hash 681125081, now seen corresponding path program 72 times [2023-12-02 15:37:36,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:37:36,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99212853] [2023-12-02 15:37:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:37:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:37:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:37:37,420 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 15:37:37,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:37:37,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99212853] [2023-12-02 15:37:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99212853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:37:37,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:37:37,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 15:37:37,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961298353] [2023-12-02 15:37:37,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:37:37,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 15:37:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:37:37,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 15:37:37,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2023-12-02 15:37:37,422 INFO L87 Difference]: Start difference. First operand 6959 states and 19607 transitions. Second operand has 27 states, 26 states have (on average 3.769230769230769) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)