./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.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_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/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_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/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_c8b932a2-f523-487f-b466-cb0299bdac6c/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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:26:48,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:26:48,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 12:26:48,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:26:48,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:26:48,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:26:48,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:26:48,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:26:48,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:26:48,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:26:48,930 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:26:48,930 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:26:48,931 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:26:48,931 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:26:48,932 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:26:48,932 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:26:48,933 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:26:48,933 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:26:48,934 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:26:48,934 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:26:48,935 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:26:48,935 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:26:48,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:26:48,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:26:48,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:26:48,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:26:48,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:26:48,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:26:48,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:26:48,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:26:48,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:26:48,939 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 12:26:48,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:26:48,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:26:48,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:26:48,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:26:48,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:26:48,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:26:48,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:26:48,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:26:48,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:26:48,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:26:48,942 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:26:48,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:26:48,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:26:48,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:26:48,943 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:26:48,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:26:48,943 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_c8b932a2-f523-487f-b466-cb0299bdac6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2023-12-02 12:26:49,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:26:49,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:26:49,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:26:49,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:26:49,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:26:49,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-12-02 12:26:51,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:26:52,181 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:26:52,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-12-02 12:26:52,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/data/c7d01dc07/c036bac61053445f8501a0eb9888eb2a/FLAG65f7766c0 [2023-12-02 12:26:52,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/data/c7d01dc07/c036bac61053445f8501a0eb9888eb2a [2023-12-02 12:26:52,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:26:52,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:26:52,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:52,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:26:52,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:26:52,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:52,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fbad6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52, skipping insertion in model container [2023-12-02 12:26:52,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:52,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:26:52,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:52,809 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:26:52,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:52,920 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:26:52,921 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:26:52,928 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:26:52,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52 WrapperNode [2023-12-02 12:26:52,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:52,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:52,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:26:52,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:26:52,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:52,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:52,996 INFO L138 Inliner]: procedures = 246, calls = 52, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-12-02 12:26:52,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:52,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:26:52,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:26:52,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:26:53,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:26:53,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:26:53,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:26:53,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:26:53,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (1/1) ... [2023-12-02 12:26:53,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:26:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:26:53,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:26:53,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:26:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 12:26:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:26:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:26:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:26:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:26:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:26:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:26:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:26:53,146 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 12:26:53,391 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:26:53,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:26:53,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:26:53,826 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:26:53,826 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 12:26:53,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:53 BoogieIcfgContainer [2023-12-02 12:26:53,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:26:53,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:26:53,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:26:53,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:26:53,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:26:52" (1/3) ... [2023-12-02 12:26:53,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24db7d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:53, skipping insertion in model container [2023-12-02 12:26:53,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:52" (2/3) ... [2023-12-02 12:26:53,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24db7d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:53, skipping insertion in model container [2023-12-02 12:26:53,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:53" (3/3) ... [2023-12-02 12:26:53,837 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-12-02 12:26:53,845 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 12:26:53,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:26:53,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-02 12:26:53,855 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 12:26:53,936 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 12:26:53,973 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 301 places, 309 transitions, 632 flow [2023-12-02 12:26:54,914 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33029 states, 32837 states have (on average 2.923196394311295) internal successors, (95989), 33028 states have internal predecessors, (95989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:26:54,933 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:26:54,939 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;@14e7ee31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:26:54,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-12-02 12:26:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 33029 states, 32837 states have (on average 2.923196394311295) internal successors, (95989), 33028 states have internal predecessors, (95989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:26:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 12:26:55,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:55,008 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 12:26:55,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:26:55,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:55,016 INFO L85 PathProgramCache]: Analyzing trace with hash -608001024, now seen corresponding path program 1 times [2023-12-02 12:26:55,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:26:55,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638733567] [2023-12-02 12:26:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:55,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:26:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:56,036 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 12:26:56,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:26:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638733567] [2023-12-02 12:26:56,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638733567] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:56,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:26:56,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:26:56,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523947029] [2023-12-02 12:26:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:56,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:26:56,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:26:56,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:26:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:26:56,121 INFO L87 Difference]: Start difference. First operand has 33029 states, 32837 states have (on average 2.923196394311295) internal successors, (95989), 33028 states have internal predecessors, (95989), 0 states have call successors, (0), 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 12:26:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:56,600 INFO L93 Difference]: Finished difference Result 21976 states and 62296 transitions. [2023-12-02 12:26:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:26:56,602 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 12:26:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:56,816 INFO L225 Difference]: With dead ends: 21976 [2023-12-02 12:26:56,816 INFO L226 Difference]: Without dead ends: 19419 [2023-12-02 12:26:56,818 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 12:26:56,821 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 3 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:56,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 432 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:26:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19419 states. [2023-12-02 12:26:57,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19419 to 19419. [2023-12-02 12:26:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19419 states, 19374 states have (on average 2.8211520594611335) internal successors, (54657), 19418 states have internal predecessors, (54657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:26:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19419 states to 19419 states and 54657 transitions. [2023-12-02 12:26:57,739 INFO L78 Accepts]: Start accepts. Automaton has 19419 states and 54657 transitions. Word has length 36 [2023-12-02 12:26:57,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:57,740 INFO L495 AbstractCegarLoop]: Abstraction has 19419 states and 54657 transitions. [2023-12-02 12:26:57,740 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 12:26:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 19419 states and 54657 transitions. [2023-12-02 12:26:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 12:26:57,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:57,742 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] [2023-12-02 12:26:57,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:26:57,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:26:57,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1637304938, now seen corresponding path program 1 times [2023-12-02 12:26:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:26:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401906733] [2023-12-02 12:26:57,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:26:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:58,250 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 12:26:58,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:26:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401906733] [2023-12-02 12:26:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401906733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:58,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:26:58,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:26:58,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644195373] [2023-12-02 12:26:58,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:58,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:26:58,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:26:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:26:58,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:26:58,254 INFO L87 Difference]: Start difference. First operand 19419 states and 54657 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 12:26:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:58,676 INFO L93 Difference]: Finished difference Result 19418 states and 54656 transitions. [2023-12-02 12:26:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:26:58,677 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 12:26:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:58,730 INFO L225 Difference]: With dead ends: 19418 [2023-12-02 12:26:58,730 INFO L226 Difference]: Without dead ends: 19418 [2023-12-02 12:26:58,730 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 12:26:58,732 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 3 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:58,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 407 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:26:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19418 states. [2023-12-02 12:26:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19418 to 19418. [2023-12-02 12:26:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19418 states, 19374 states have (on average 2.8211004438938785) internal successors, (54656), 19417 states have internal predecessors, (54656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:26:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19418 states to 19418 states and 54656 transitions. [2023-12-02 12:26:59,196 INFO L78 Accepts]: Start accepts. Automaton has 19418 states and 54656 transitions. Word has length 44 [2023-12-02 12:26:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:59,197 INFO L495 AbstractCegarLoop]: Abstraction has 19418 states and 54656 transitions. [2023-12-02 12:26:59,197 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 12:26:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 19418 states and 54656 transitions. [2023-12-02 12:26:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 12:26:59,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:59,199 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] [2023-12-02 12:26:59,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:26:59,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:26:59,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:59,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1553326897, now seen corresponding path program 1 times [2023-12-02 12:26:59,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:26:59,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747569036] [2023-12-02 12:26:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:26:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:59,762 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 12:26:59,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:26:59,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747569036] [2023-12-02 12:26:59,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747569036] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:59,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:26:59,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:26:59,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948070110] [2023-12-02 12:26:59,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:59,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:26:59,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:26:59,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:26:59,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:26:59,765 INFO L87 Difference]: Start difference. First operand 19418 states and 54656 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:00,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:00,153 INFO L93 Difference]: Finished difference Result 19417 states and 54655 transitions. [2023-12-02 12:27:00,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:00,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2023-12-02 12:27:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:00,227 INFO L225 Difference]: With dead ends: 19417 [2023-12-02 12:27:00,228 INFO L226 Difference]: Without dead ends: 19417 [2023-12-02 12:27:00,228 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 12:27:00,230 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 130 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:00,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 647 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 12:27:00,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19417 states. [2023-12-02 12:27:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19417 to 19417. [2023-12-02 12:27:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19417 states, 19374 states have (on average 2.8210488283266235) internal successors, (54655), 19416 states have internal predecessors, (54655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19417 states to 19417 states and 54655 transitions. [2023-12-02 12:27:00,633 INFO L78 Accepts]: Start accepts. Automaton has 19417 states and 54655 transitions. Word has length 51 [2023-12-02 12:27:00,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:00,633 INFO L495 AbstractCegarLoop]: Abstraction has 19417 states and 54655 transitions. [2023-12-02 12:27:00,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 19417 states and 54655 transitions. [2023-12-02 12:27:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 12:27:00,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:00,634 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] [2023-12-02 12:27:00,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 12:27:00,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:00,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:00,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1594510101, now seen corresponding path program 1 times [2023-12-02 12:27:00,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:00,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445839682] [2023-12-02 12:27:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:01,140 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 12:27:01,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445839682] [2023-12-02 12:27:01,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445839682] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:01,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:01,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118169077] [2023-12-02 12:27:01,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:01,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:01,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:01,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:01,143 INFO L87 Difference]: Start difference. First operand 19417 states and 54655 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:01,454 INFO L93 Difference]: Finished difference Result 19416 states and 54654 transitions. [2023-12-02 12:27:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:01,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2023-12-02 12:27:01,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:01,523 INFO L225 Difference]: With dead ends: 19416 [2023-12-02 12:27:01,524 INFO L226 Difference]: Without dead ends: 19416 [2023-12-02 12:27:01,524 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 12:27:01,525 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 165 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:01,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 529 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:27:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19416 states. [2023-12-02 12:27:01,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19416 to 19416. [2023-12-02 12:27:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19416 states, 19374 states have (on average 2.820997212759368) internal successors, (54654), 19415 states have internal predecessors, (54654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19416 states to 19416 states and 54654 transitions. [2023-12-02 12:27:02,065 INFO L78 Accepts]: Start accepts. Automaton has 19416 states and 54654 transitions. Word has length 64 [2023-12-02 12:27:02,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:02,066 INFO L495 AbstractCegarLoop]: Abstraction has 19416 states and 54654 transitions. [2023-12-02 12:27:02,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 19416 states and 54654 transitions. [2023-12-02 12:27:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 12:27:02,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:02,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:02,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 12:27:02,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:02,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1936296601, now seen corresponding path program 1 times [2023-12-02 12:27:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141275563] [2023-12-02 12:27:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:02,186 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 12:27:02,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:02,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141275563] [2023-12-02 12:27:02,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141275563] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:02,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:02,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:27:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907467380] [2023-12-02 12:27:02,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:02,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:27:02,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:02,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:27:02,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:27:02,190 INFO L87 Difference]: Start difference. First operand 19416 states and 54654 transitions. Second operand has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 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 12:27:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:02,376 INFO L93 Difference]: Finished difference Result 19415 states and 54653 transitions. [2023-12-02 12:27:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:27:02,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 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 12:27:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:02,442 INFO L225 Difference]: With dead ends: 19415 [2023-12-02 12:27:02,443 INFO L226 Difference]: Without dead ends: 19415 [2023-12-02 12:27:02,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:27:02,444 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 1 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:02,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 473 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:27:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2023-12-02 12:27:02,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 19415. [2023-12-02 12:27:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19415 states, 19374 states have (on average 2.820945597192113) internal successors, (54653), 19414 states have internal predecessors, (54653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 54653 transitions. [2023-12-02 12:27:02,875 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 54653 transitions. Word has length 80 [2023-12-02 12:27:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:02,876 INFO L495 AbstractCegarLoop]: Abstraction has 19415 states and 54653 transitions. [2023-12-02 12:27:02,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 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 12:27:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 54653 transitions. [2023-12-02 12:27:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 12:27:02,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:02,878 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 12:27:02,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 12:27:02,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:02,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:02,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1722133584, now seen corresponding path program 1 times [2023-12-02 12:27:02,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:02,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663359381] [2023-12-02 12:27:02,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:02,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:03,045 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 12:27:03,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:03,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663359381] [2023-12-02 12:27:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663359381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:03,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:03,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:27:03,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896926558] [2023-12-02 12:27:03,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:03,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:27:03,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:03,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:27:03,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:27:03,048 INFO L87 Difference]: Start difference. First operand 19415 states and 54653 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 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 12:27:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:03,153 INFO L93 Difference]: Finished difference Result 16835 states and 47046 transitions. [2023-12-02 12:27:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:27:03,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 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 12:27:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:03,183 INFO L225 Difference]: With dead ends: 16835 [2023-12-02 12:27:03,183 INFO L226 Difference]: Without dead ends: 14651 [2023-12-02 12:27:03,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:27:03,184 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 162 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:03,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 509 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:27:03,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14651 states. [2023-12-02 12:27:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14651 to 14610. [2023-12-02 12:27:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14610 states, 14597 states have (on average 2.8145509351236555) internal successors, (41084), 14609 states have internal predecessors, (41084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14610 states to 14610 states and 41084 transitions. [2023-12-02 12:27:03,521 INFO L78 Accepts]: Start accepts. Automaton has 14610 states and 41084 transitions. Word has length 89 [2023-12-02 12:27:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:03,522 INFO L495 AbstractCegarLoop]: Abstraction has 14610 states and 41084 transitions. [2023-12-02 12:27:03,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 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 12:27:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 14610 states and 41084 transitions. [2023-12-02 12:27:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 12:27:03,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:03,523 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] [2023-12-02 12:27:03,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 12:27:03,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:03,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:03,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1638421182, now seen corresponding path program 1 times [2023-12-02 12:27:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:03,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184523299] [2023-12-02 12:27:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:04,121 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 12:27:04,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:04,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184523299] [2023-12-02 12:27:04,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184523299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:04,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:04,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:04,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863069720] [2023-12-02 12:27:04,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:04,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:04,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:04,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:04,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:04,124 INFO L87 Difference]: Start difference. First operand 14610 states and 41084 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:04,600 INFO L93 Difference]: Finished difference Result 15134 states and 42508 transitions. [2023-12-02 12:27:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2023-12-02 12:27:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:04,642 INFO L225 Difference]: With dead ends: 15134 [2023-12-02 12:27:04,642 INFO L226 Difference]: Without dead ends: 15134 [2023-12-02 12:27:04,642 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 12:27:04,643 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 90 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:04,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 674 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:27:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15134 states. [2023-12-02 12:27:04,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15134 to 15009. [2023-12-02 12:27:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15009 states, 14997 states have (on average 2.8114289524571583) internal successors, (42163), 15008 states have internal predecessors, (42163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15009 states to 15009 states and 42163 transitions. [2023-12-02 12:27:05,008 INFO L78 Accepts]: Start accepts. Automaton has 15009 states and 42163 transitions. Word has length 93 [2023-12-02 12:27:05,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:05,009 INFO L495 AbstractCegarLoop]: Abstraction has 15009 states and 42163 transitions. [2023-12-02 12:27:05,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 15009 states and 42163 transitions. [2023-12-02 12:27:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 12:27:05,010 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:05,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:05,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 12:27:05,011 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:05,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:05,011 INFO L85 PathProgramCache]: Analyzing trace with hash -658284883, now seen corresponding path program 1 times [2023-12-02 12:27:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:05,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276782137] [2023-12-02 12:27:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:27:05,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276782137] [2023-12-02 12:27:05,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276782137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:05,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:05,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:05,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807898651] [2023-12-02 12:27:05,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:05,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:27:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:05,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:27:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:27:05,179 INFO L87 Difference]: Start difference. First operand 15009 states and 42163 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:05,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:05,355 INFO L93 Difference]: Finished difference Result 15038 states and 42191 transitions. [2023-12-02 12:27:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:05,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-02 12:27:05,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:05,402 INFO L225 Difference]: With dead ends: 15038 [2023-12-02 12:27:05,402 INFO L226 Difference]: Without dead ends: 15038 [2023-12-02 12:27:05,402 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 12:27:05,403 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 87 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 859 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 12:27:05,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 859 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:27:05,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15038 states. [2023-12-02 12:27:05,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15038 to 14998. [2023-12-02 12:27:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14998 states, 14987 states have (on average 2.812570894775472) internal successors, (42152), 14997 states have internal predecessors, (42152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14998 states to 14998 states and 42152 transitions. [2023-12-02 12:27:05,750 INFO L78 Accepts]: Start accepts. Automaton has 14998 states and 42152 transitions. Word has length 94 [2023-12-02 12:27:05,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:05,750 INFO L495 AbstractCegarLoop]: Abstraction has 14998 states and 42152 transitions. [2023-12-02 12:27:05,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 14998 states and 42152 transitions. [2023-12-02 12:27:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 12:27:05,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:05,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:05,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 12:27:05,752 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:05,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:05,752 INFO L85 PathProgramCache]: Analyzing trace with hash -662249111, now seen corresponding path program 1 times [2023-12-02 12:27:05,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:05,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635741671] [2023-12-02 12:27:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:06,345 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 12:27:06,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635741671] [2023-12-02 12:27:06,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635741671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:06,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:06,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:06,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717707323] [2023-12-02 12:27:06,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:06,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:06,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:06,348 INFO L87 Difference]: Start difference. First operand 14998 states and 42152 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:06,942 INFO L93 Difference]: Finished difference Result 15522 states and 43576 transitions. [2023-12-02 12:27:06,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:06,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2023-12-02 12:27:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:06,979 INFO L225 Difference]: With dead ends: 15522 [2023-12-02 12:27:06,979 INFO L226 Difference]: Without dead ends: 15522 [2023-12-02 12:27:06,979 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 12:27:06,980 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 90 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:06,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 815 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 12:27:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15522 states. [2023-12-02 12:27:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15522 to 15397. [2023-12-02 12:27:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15397 states, 15387 states have (on average 2.8095795151751477) internal successors, (43231), 15396 states have internal predecessors, (43231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15397 states to 15397 states and 43231 transitions. [2023-12-02 12:27:07,286 INFO L78 Accepts]: Start accepts. Automaton has 15397 states and 43231 transitions. Word has length 101 [2023-12-02 12:27:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:07,287 INFO L495 AbstractCegarLoop]: Abstraction has 15397 states and 43231 transitions. [2023-12-02 12:27:07,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 15397 states and 43231 transitions. [2023-12-02 12:27:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 12:27:07,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:07,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:07,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 12:27:07,290 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:07,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash -757819994, now seen corresponding path program 1 times [2023-12-02 12:27:07,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:07,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681542708] [2023-12-02 12:27:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:07,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:07,809 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 12:27:07,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:07,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681542708] [2023-12-02 12:27:07,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681542708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:07,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:07,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416037652] [2023-12-02 12:27:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:07,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:07,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:07,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:07,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:07,811 INFO L87 Difference]: Start difference. First operand 15397 states and 43231 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:08,296 INFO L93 Difference]: Finished difference Result 17550 states and 49019 transitions. [2023-12-02 12:27:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2023-12-02 12:27:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:08,328 INFO L225 Difference]: With dead ends: 17550 [2023-12-02 12:27:08,328 INFO L226 Difference]: Without dead ends: 17550 [2023-12-02 12:27:08,328 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 12:27:08,329 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 152 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:08,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 635 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:27:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17550 states. [2023-12-02 12:27:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17550 to 15795. [2023-12-02 12:27:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15795 states, 15787 states have (on average 2.8066763792994234) internal successors, (44309), 15794 states have internal predecessors, (44309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15795 states to 15795 states and 44309 transitions. [2023-12-02 12:27:08,684 INFO L78 Accepts]: Start accepts. Automaton has 15795 states and 44309 transitions. Word has length 108 [2023-12-02 12:27:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:08,685 INFO L495 AbstractCegarLoop]: Abstraction has 15795 states and 44309 transitions. [2023-12-02 12:27:08,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 15795 states and 44309 transitions. [2023-12-02 12:27:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 12:27:08,690 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:08,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:08,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 12:27:08,691 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:08,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash -793073395, now seen corresponding path program 1 times [2023-12-02 12:27:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721710462] [2023-12-02 12:27:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:09,162 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 12:27:09,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:09,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721710462] [2023-12-02 12:27:09,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721710462] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:09,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:09,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:09,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65581629] [2023-12-02 12:27:09,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:09,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:09,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:09,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:09,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:09,164 INFO L87 Difference]: Start difference. First operand 15795 states and 44309 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:09,792 INFO L93 Difference]: Finished difference Result 16524 states and 45968 transitions. [2023-12-02 12:27:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:09,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-02 12:27:09,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:09,835 INFO L225 Difference]: With dead ends: 16524 [2023-12-02 12:27:09,835 INFO L226 Difference]: Without dead ends: 16524 [2023-12-02 12:27:09,835 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 12:27:09,836 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 127 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:09,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 903 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 12:27:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16524 states. [2023-12-02 12:27:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16524 to 16195. [2023-12-02 12:27:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16195 states, 16187 states have (on average 2.8040402792364243) internal successors, (45389), 16194 states have internal predecessors, (45389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16195 states to 16195 states and 45389 transitions. [2023-12-02 12:27:10,260 INFO L78 Accepts]: Start accepts. Automaton has 16195 states and 45389 transitions. Word has length 111 [2023-12-02 12:27:10,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:10,261 INFO L495 AbstractCegarLoop]: Abstraction has 16195 states and 45389 transitions. [2023-12-02 12:27:10,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 16195 states and 45389 transitions. [2023-12-02 12:27:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 12:27:10,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:10,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:10,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 12:27:10,276 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:10,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1063882645, now seen corresponding path program 1 times [2023-12-02 12:27:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928894521] [2023-12-02 12:27:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:10,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:10,432 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 12:27:10,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:10,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928894521] [2023-12-02 12:27:10,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928894521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:10,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:10,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:10,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611353491] [2023-12-02 12:27:10,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:10,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:27:10,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:10,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:27:10,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:27:10,435 INFO L87 Difference]: Start difference. First operand 16195 states and 45389 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:10,613 INFO L93 Difference]: Finished difference Result 5808 states and 15741 transitions. [2023-12-02 12:27:10,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:10,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2023-12-02 12:27:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:10,623 INFO L225 Difference]: With dead ends: 5808 [2023-12-02 12:27:10,623 INFO L226 Difference]: Without dead ends: 5808 [2023-12-02 12:27:10,623 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 12:27:10,624 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 309 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 970 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 12:27:10,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 970 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:27:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2023-12-02 12:27:10,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5770. [2023-12-02 12:27:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5770 states, 5766 states have (on average 2.723551855705862) internal successors, (15704), 5769 states have internal predecessors, (15704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5770 states and 15704 transitions. [2023-12-02 12:27:10,735 INFO L78 Accepts]: Start accepts. Automaton has 5770 states and 15704 transitions. Word has length 120 [2023-12-02 12:27:10,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:10,735 INFO L495 AbstractCegarLoop]: Abstraction has 5770 states and 15704 transitions. [2023-12-02 12:27:10,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5770 states and 15704 transitions. [2023-12-02 12:27:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:10,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:10,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:10,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 12:27:10,747 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:10,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:10,748 INFO L85 PathProgramCache]: Analyzing trace with hash 2121429778, now seen corresponding path program 1 times [2023-12-02 12:27:10,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:10,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408190189] [2023-12-02 12:27:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:10,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:11,412 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 12:27:11,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408190189] [2023-12-02 12:27:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408190189] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:11,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:11,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:27:11,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495480562] [2023-12-02 12:27:11,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:11,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:27:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:11,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:27:11,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:27:11,415 INFO L87 Difference]: Start difference. First operand 5770 states and 15704 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:11,606 INFO L93 Difference]: Finished difference Result 5781 states and 15715 transitions. [2023-12-02 12:27:11,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:27:11,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:11,618 INFO L225 Difference]: With dead ends: 5781 [2023-12-02 12:27:11,618 INFO L226 Difference]: Without dead ends: 5675 [2023-12-02 12:27:11,619 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 12:27:11,619 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 48 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:11,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 348 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:27:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2023-12-02 12:27:11,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 5675. [2023-12-02 12:27:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5675 states, 5673 states have (on average 2.748810153358012) internal successors, (15594), 5674 states have internal predecessors, (15594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 15594 transitions. [2023-12-02 12:27:11,727 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 15594 transitions. Word has length 121 [2023-12-02 12:27:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:11,728 INFO L495 AbstractCegarLoop]: Abstraction has 5675 states and 15594 transitions. [2023-12-02 12:27:11,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 15594 transitions. [2023-12-02 12:27:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:11,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:11,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:11,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 12:27:11,736 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:11,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:11,736 INFO L85 PathProgramCache]: Analyzing trace with hash -470039366, now seen corresponding path program 1 times [2023-12-02 12:27:11,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:11,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038918267] [2023-12-02 12:27:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:12,785 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 12:27:12,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:12,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038918267] [2023-12-02 12:27:12,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038918267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:12,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:12,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-02 12:27:12,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848194539] [2023-12-02 12:27:12,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:12,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 12:27:12,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:12,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 12:27:12,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-02 12:27:12,788 INFO L87 Difference]: Start difference. First operand 5675 states and 15594 transitions. Second operand has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:15,112 INFO L93 Difference]: Finished difference Result 5850 states and 15934 transitions. [2023-12-02 12:27:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 12:27:15,113 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:15,122 INFO L225 Difference]: With dead ends: 5850 [2023-12-02 12:27:15,122 INFO L226 Difference]: Without dead ends: 5850 [2023-12-02 12:27:15,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=764, Invalid=2896, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 12:27:15,124 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1381 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:15,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 2266 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:27:15,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2023-12-02 12:27:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5425. [2023-12-02 12:27:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5425 states, 5423 states have (on average 2.746450304259635) internal successors, (14894), 5424 states have internal predecessors, (14894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5425 states to 5425 states and 14894 transitions. [2023-12-02 12:27:15,229 INFO L78 Accepts]: Start accepts. Automaton has 5425 states and 14894 transitions. Word has length 121 [2023-12-02 12:27:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:15,229 INFO L495 AbstractCegarLoop]: Abstraction has 5425 states and 14894 transitions. [2023-12-02 12:27:15,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5425 states and 14894 transitions. [2023-12-02 12:27:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:15,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:15,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:15,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 12:27:15,237 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:15,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:15,237 INFO L85 PathProgramCache]: Analyzing trace with hash 755108846, now seen corresponding path program 1 times [2023-12-02 12:27:15,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:15,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346498205] [2023-12-02 12:27:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:16,093 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 12:27:16,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:16,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346498205] [2023-12-02 12:27:16,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346498205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:16,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:16,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:27:16,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905391704] [2023-12-02 12:27:16,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:16,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:27:16,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:16,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:27:16,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:27:16,095 INFO L87 Difference]: Start difference. First operand 5425 states and 14894 transitions. Second operand has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:17,988 INFO L93 Difference]: Finished difference Result 6400 states and 17114 transitions. [2023-12-02 12:27:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 12:27:17,988 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:17,996 INFO L225 Difference]: With dead ends: 6400 [2023-12-02 12:27:17,996 INFO L226 Difference]: Without dead ends: 6400 [2023-12-02 12:27:17,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2023-12-02 12:27:17,997 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1266 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:17,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 1683 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:27:18,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2023-12-02 12:27:18,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 5666. [2023-12-02 12:27:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5666 states, 5664 states have (on average 2.750353107344633) internal successors, (15578), 5665 states have internal predecessors, (15578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5666 states to 5666 states and 15578 transitions. [2023-12-02 12:27:18,073 INFO L78 Accepts]: Start accepts. Automaton has 5666 states and 15578 transitions. Word has length 121 [2023-12-02 12:27:18,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:18,073 INFO L495 AbstractCegarLoop]: Abstraction has 5666 states and 15578 transitions. [2023-12-02 12:27:18,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 5666 states and 15578 transitions. [2023-12-02 12:27:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:18,079 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:18,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:18,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 12:27:18,079 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:18,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1897200248, now seen corresponding path program 2 times [2023-12-02 12:27:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962031517] [2023-12-02 12:27:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:18,836 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 12:27:18,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:18,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962031517] [2023-12-02 12:27:18,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962031517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:18,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:18,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:27:18,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897966281] [2023-12-02 12:27:18,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:18,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:27:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:27:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:27:18,838 INFO L87 Difference]: Start difference. First operand 5666 states and 15578 transitions. Second operand has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:20,663 INFO L93 Difference]: Finished difference Result 6700 states and 17964 transitions. [2023-12-02 12:27:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 12:27:20,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:20,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:20,673 INFO L225 Difference]: With dead ends: 6700 [2023-12-02 12:27:20,673 INFO L226 Difference]: Without dead ends: 6700 [2023-12-02 12:27:20,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 12:27:20,674 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 949 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:20,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 1713 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:27:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6700 states. [2023-12-02 12:27:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6700 to 5807. [2023-12-02 12:27:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5807 states, 5805 states have (on average 2.7531438415159344) internal successors, (15982), 5806 states have internal predecessors, (15982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5807 states to 5807 states and 15982 transitions. [2023-12-02 12:27:20,750 INFO L78 Accepts]: Start accepts. Automaton has 5807 states and 15982 transitions. Word has length 121 [2023-12-02 12:27:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:20,750 INFO L495 AbstractCegarLoop]: Abstraction has 5807 states and 15982 transitions. [2023-12-02 12:27:20,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 5807 states and 15982 transitions. [2023-12-02 12:27:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:20,755 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:20,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:20,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 12:27:20,756 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:20,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:20,756 INFO L85 PathProgramCache]: Analyzing trace with hash 24871534, now seen corresponding path program 3 times [2023-12-02 12:27:20,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:20,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777011677] [2023-12-02 12:27:20,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:20,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:21,504 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 12:27:21,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:21,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777011677] [2023-12-02 12:27:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777011677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:21,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:21,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:27:21,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770908815] [2023-12-02 12:27:21,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:21,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:27:21,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:21,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:27:21,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:27:21,506 INFO L87 Difference]: Start difference. First operand 5807 states and 15982 transitions. Second operand has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:23,602 INFO L93 Difference]: Finished difference Result 7000 states and 18814 transitions. [2023-12-02 12:27:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 12:27:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:23,612 INFO L225 Difference]: With dead ends: 7000 [2023-12-02 12:27:23,612 INFO L226 Difference]: Without dead ends: 7000 [2023-12-02 12:27:23,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=433, Invalid=1127, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 12:27:23,613 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 1177 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:23,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1860 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:27:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7000 states. [2023-12-02 12:27:23,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7000 to 5948. [2023-12-02 12:27:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5948 states, 5946 states have (on average 2.7558022199798184) internal successors, (16386), 5947 states have internal predecessors, (16386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5948 states to 5948 states and 16386 transitions. [2023-12-02 12:27:23,696 INFO L78 Accepts]: Start accepts. Automaton has 5948 states and 16386 transitions. Word has length 121 [2023-12-02 12:27:23,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:23,696 INFO L495 AbstractCegarLoop]: Abstraction has 5948 states and 16386 transitions. [2023-12-02 12:27:23,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 5948 states and 16386 transitions. [2023-12-02 12:27:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:23,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:23,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:23,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 12:27:23,702 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:23,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:23,703 INFO L85 PathProgramCache]: Analyzing trace with hash 916816506, now seen corresponding path program 4 times [2023-12-02 12:27:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:23,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720003714] [2023-12-02 12:27:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:24,427 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 12:27:24,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:24,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720003714] [2023-12-02 12:27:24,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720003714] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:24,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:24,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:27:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205526731] [2023-12-02 12:27:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:24,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:27:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:27:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:27:24,430 INFO L87 Difference]: Start difference. First operand 5948 states and 16386 transitions. Second operand has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:26,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:26,667 INFO L93 Difference]: Finished difference Result 7300 states and 19664 transitions. [2023-12-02 12:27:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 12:27:26,667 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:26,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:26,677 INFO L225 Difference]: With dead ends: 7300 [2023-12-02 12:27:26,677 INFO L226 Difference]: Without dead ends: 7300 [2023-12-02 12:27:26,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=533, Invalid=1447, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 12:27:26,678 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1149 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:26,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 2112 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:27:26,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2023-12-02 12:27:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 6089. [2023-12-02 12:27:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6089 states, 6087 states have (on average 2.758337440446854) internal successors, (16790), 6088 states have internal predecessors, (16790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 16790 transitions. [2023-12-02 12:27:26,761 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 16790 transitions. Word has length 121 [2023-12-02 12:27:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:26,761 INFO L495 AbstractCegarLoop]: Abstraction has 6089 states and 16790 transitions. [2023-12-02 12:27:26,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 16790 transitions. [2023-12-02 12:27:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 12:27:26,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:26,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:26,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 12:27:26,767 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:26,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash -448315872, now seen corresponding path program 5 times [2023-12-02 12:27:26,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:26,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625003995] [2023-12-02 12:27:26,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:26,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:27,418 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 12:27:27,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:27,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625003995] [2023-12-02 12:27:27,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625003995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:27,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:27,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:27:27,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910496471] [2023-12-02 12:27:27,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:27,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:27:27,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:27,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:27:27,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:27:27,420 INFO L87 Difference]: Start difference. First operand 6089 states and 16790 transitions. Second operand has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:29,445 INFO L93 Difference]: Finished difference Result 6564 states and 17870 transitions. [2023-12-02 12:27:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-02 12:27:29,445 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-02 12:27:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:29,454 INFO L225 Difference]: With dead ends: 6564 [2023-12-02 12:27:29,454 INFO L226 Difference]: Without dead ends: 6564 [2023-12-02 12:27:29,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=775, Invalid=2765, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 12:27:29,455 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1333 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:29,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 2343 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:27:29,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6564 states. [2023-12-02 12:27:29,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 5655. [2023-12-02 12:27:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5653 states have (on average 2.7486290465239698) internal successors, (15538), 5654 states have internal predecessors, (15538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 15538 transitions. [2023-12-02 12:27:29,530 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 15538 transitions. Word has length 121 [2023-12-02 12:27:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:29,531 INFO L495 AbstractCegarLoop]: Abstraction has 5655 states and 15538 transitions. [2023-12-02 12:27:29,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.5625) internal successors, (121), 17 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 15538 transitions. [2023-12-02 12:27:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:27:29,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:29,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:29,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 12:27:29,538 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:29,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1838176607, now seen corresponding path program 1 times [2023-12-02 12:27:29,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:29,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266971883] [2023-12-02 12:27:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:30,392 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 12:27:30,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:30,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266971883] [2023-12-02 12:27:30,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266971883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:30,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:27:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975914587] [2023-12-02 12:27:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:30,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:27:30,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:27:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:27:30,394 INFO L87 Difference]: Start difference. First operand 5655 states and 15538 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:35,276 INFO L93 Difference]: Finished difference Result 6290 states and 16931 transitions. [2023-12-02 12:27:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-12-02 12:27:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:27:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:35,283 INFO L225 Difference]: With dead ends: 6290 [2023-12-02 12:27:35,283 INFO L226 Difference]: Without dead ends: 6290 [2023-12-02 12:27:35,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2166 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1683, Invalid=6873, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 12:27:35,286 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 1304 mSDsluCounter, 3583 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:35,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 3975 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:27:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2023-12-02 12:27:35,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 5714. [2023-12-02 12:27:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5714 states, 5712 states have (on average 2.7521008403361344) internal successors, (15720), 5713 states have internal predecessors, (15720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 15720 transitions. [2023-12-02 12:27:35,357 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 15720 transitions. Word has length 131 [2023-12-02 12:27:35,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:35,357 INFO L495 AbstractCegarLoop]: Abstraction has 5714 states and 15720 transitions. [2023-12-02 12:27:35,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 15720 transitions. [2023-12-02 12:27:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:27:35,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:35,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:35,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 12:27:35,364 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:35,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:35,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1314699287, now seen corresponding path program 2 times [2023-12-02 12:27:35,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:35,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429066194] [2023-12-02 12:27:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:35,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:36,209 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 12:27:36,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:36,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429066194] [2023-12-02 12:27:36,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429066194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:36,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:36,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:27:36,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692769646] [2023-12-02 12:27:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:36,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:27:36,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:36,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:27:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:27:36,211 INFO L87 Difference]: Start difference. First operand 5714 states and 15720 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:41,909 INFO L93 Difference]: Finished difference Result 6585 states and 17769 transitions. [2023-12-02 12:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-12-02 12:27:41,910 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:27:41,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:41,918 INFO L225 Difference]: With dead ends: 6585 [2023-12-02 12:27:41,918 INFO L226 Difference]: Without dead ends: 6585 [2023-12-02 12:27:41,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4392 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2643, Invalid=12363, Unknown=0, NotChecked=0, Total=15006 [2023-12-02 12:27:41,923 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 1275 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 3942 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:41,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 3942 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 12:27:41,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6585 states. [2023-12-02 12:27:41,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6585 to 5773. [2023-12-02 12:27:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5773 states, 5771 states have (on average 2.755501646161844) internal successors, (15902), 5772 states have internal predecessors, (15902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5773 states to 5773 states and 15902 transitions. [2023-12-02 12:27:41,999 INFO L78 Accepts]: Start accepts. Automaton has 5773 states and 15902 transitions. Word has length 131 [2023-12-02 12:27:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:41,999 INFO L495 AbstractCegarLoop]: Abstraction has 5773 states and 15902 transitions. [2023-12-02 12:27:41,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 15902 transitions. [2023-12-02 12:27:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:27:42,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:42,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:42,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 12:27:42,007 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:42,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:42,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1107939295, now seen corresponding path program 3 times [2023-12-02 12:27:42,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:42,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478232094] [2023-12-02 12:27:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:42,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:42,838 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 12:27:42,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:42,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478232094] [2023-12-02 12:27:42,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478232094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:42,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:42,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:27:42,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466466271] [2023-12-02 12:27:42,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:42,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:27:42,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:27:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:27:42,840 INFO L87 Difference]: Start difference. First operand 5773 states and 15902 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:49,247 INFO L93 Difference]: Finished difference Result 6880 states and 18607 transitions. [2023-12-02 12:27:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-12-02 12:27:49,248 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:27:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:49,256 INFO L225 Difference]: With dead ends: 6880 [2023-12-02 12:27:49,257 INFO L226 Difference]: Without dead ends: 6880 [2023-12-02 12:27:49,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7520 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3635, Invalid=19621, Unknown=0, NotChecked=0, Total=23256 [2023-12-02 12:27:49,264 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 1500 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 2989 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:49,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 3796 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2989 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 12:27:49,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6880 states. [2023-12-02 12:27:49,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6880 to 5832. [2023-12-02 12:27:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 5830 states have (on average 2.7588336192109777) internal successors, (16084), 5831 states have internal predecessors, (16084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 16084 transitions. [2023-12-02 12:27:49,342 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 16084 transitions. Word has length 131 [2023-12-02 12:27:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:49,342 INFO L495 AbstractCegarLoop]: Abstraction has 5832 states and 16084 transitions. [2023-12-02 12:27:49,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 16084 transitions. [2023-12-02 12:27:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:27:49,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:49,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:49,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 12:27:49,350 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:49,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:49,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1999884267, now seen corresponding path program 4 times [2023-12-02 12:27:49,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:49,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554425109] [2023-12-02 12:27:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:50,094 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 12:27:50,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:50,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554425109] [2023-12-02 12:27:50,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554425109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:50,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:50,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:27:50,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561147305] [2023-12-02 12:27:50,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:50,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:27:50,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:50,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:27:50,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:27:50,096 INFO L87 Difference]: Start difference. First operand 5832 states and 16084 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:57,604 INFO L93 Difference]: Finished difference Result 7175 states and 19445 transitions. [2023-12-02 12:27:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2023-12-02 12:27:57,604 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:27:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:57,615 INFO L225 Difference]: With dead ends: 7175 [2023-12-02 12:27:57,615 INFO L226 Difference]: Without dead ends: 7175 [2023-12-02 12:27:57,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11549 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=4660, Invalid=28646, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 12:27:57,619 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 1325 mSDsluCounter, 3587 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:57,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 4027 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:27:57,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7175 states. [2023-12-02 12:27:57,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7175 to 5891. [2023-12-02 12:27:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5891 states, 5889 states have (on average 2.762098828323994) internal successors, (16266), 5890 states have internal predecessors, (16266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 5891 states and 16266 transitions. [2023-12-02 12:27:57,699 INFO L78 Accepts]: Start accepts. Automaton has 5891 states and 16266 transitions. Word has length 131 [2023-12-02 12:27:57,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:57,699 INFO L495 AbstractCegarLoop]: Abstraction has 5891 states and 16266 transitions. [2023-12-02 12:27:57,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:27:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 16266 transitions. [2023-12-02 12:27:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:27:57,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:57,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:57,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 12:27:57,707 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:27:57,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:57,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1873275605, now seen corresponding path program 5 times [2023-12-02 12:27:57,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:27:57,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187642940] [2023-12-02 12:27:57,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:27:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:58,433 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 12:27:58,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:27:58,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187642940] [2023-12-02 12:27:58,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187642940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:27:58,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:27:58,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:27:58,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77393198] [2023-12-02 12:27:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:27:58,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:27:58,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:27:58,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:27:58,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:27:58,435 INFO L87 Difference]: Start difference. First operand 5891 states and 16266 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:03,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:03,902 INFO L93 Difference]: Finished difference Result 8222 states and 22403 transitions. [2023-12-02 12:28:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 12:28:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:03,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:03,913 INFO L225 Difference]: With dead ends: 8222 [2023-12-02 12:28:03,913 INFO L226 Difference]: Without dead ends: 8222 [2023-12-02 12:28:03,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5774 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2660, Invalid=14896, Unknown=0, NotChecked=0, Total=17556 [2023-12-02 12:28:03,916 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 1563 mSDsluCounter, 4066 mSDsCounter, 0 mSdLazyCounter, 3242 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 4513 SdHoareTripleChecker+Invalid, 3318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:03,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 4513 Invalid, 3318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3242 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 12:28:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8222 states. [2023-12-02 12:28:03,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8222 to 6339. [2023-12-02 12:28:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6339 states, 6337 states have (on average 2.778917468833833) internal successors, (17610), 6338 states have internal predecessors, (17610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6339 states to 6339 states and 17610 transitions. [2023-12-02 12:28:04,008 INFO L78 Accepts]: Start accepts. Automaton has 6339 states and 17610 transitions. Word has length 131 [2023-12-02 12:28:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:04,008 INFO L495 AbstractCegarLoop]: Abstraction has 6339 states and 17610 transitions. [2023-12-02 12:28:04,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6339 states and 17610 transitions. [2023-12-02 12:28:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:04,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:04,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:04,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 12:28:04,014 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:04,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:04,014 INFO L85 PathProgramCache]: Analyzing trace with hash -707143221, now seen corresponding path program 6 times [2023-12-02 12:28:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:04,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140592839] [2023-12-02 12:28:04,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:04,809 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 12:28:04,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140592839] [2023-12-02 12:28:04,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140592839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:04,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:04,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:04,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768765436] [2023-12-02 12:28:04,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:04,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:04,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:04,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:04,811 INFO L87 Difference]: Start difference. First operand 6339 states and 17610 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:11,298 INFO L93 Difference]: Finished difference Result 9600 states and 26257 transitions. [2023-12-02 12:28:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-12-02 12:28:11,298 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:11,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:11,311 INFO L225 Difference]: With dead ends: 9600 [2023-12-02 12:28:11,311 INFO L226 Difference]: Without dead ends: 9600 [2023-12-02 12:28:11,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8953 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3464, Invalid=21976, Unknown=0, NotChecked=0, Total=25440 [2023-12-02 12:28:11,314 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 1661 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 4083 SdHoareTripleChecker+Invalid, 3353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:11,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 4083 Invalid, 3353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 12:28:11,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9600 states. [2023-12-02 12:28:11,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9600 to 6443. [2023-12-02 12:28:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6443 states, 6441 states have (on average 2.7824871914299023) internal successors, (17922), 6442 states have internal predecessors, (17922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 6443 states and 17922 transitions. [2023-12-02 12:28:11,417 INFO L78 Accepts]: Start accepts. Automaton has 6443 states and 17922 transitions. Word has length 131 [2023-12-02 12:28:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:11,417 INFO L495 AbstractCegarLoop]: Abstraction has 6443 states and 17922 transitions. [2023-12-02 12:28:11,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6443 states and 17922 transitions. [2023-12-02 12:28:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:11,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:11,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:11,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 12:28:11,423 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:11,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash 548779947, now seen corresponding path program 7 times [2023-12-02 12:28:11,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:11,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002569931] [2023-12-02 12:28:11,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:11,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:12,162 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 12:28:12,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:12,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002569931] [2023-12-02 12:28:12,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002569931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:12,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:12,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857046717] [2023-12-02 12:28:12,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:12,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:12,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:12,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:12,164 INFO L87 Difference]: Start difference. First operand 6443 states and 17922 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:17,517 INFO L93 Difference]: Finished difference Result 9294 states and 25424 transitions. [2023-12-02 12:28:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-12-02 12:28:17,518 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:17,528 INFO L225 Difference]: With dead ends: 9294 [2023-12-02 12:28:17,529 INFO L226 Difference]: Without dead ends: 9294 [2023-12-02 12:28:17,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6979 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=3069, Invalid=17523, Unknown=0, NotChecked=0, Total=20592 [2023-12-02 12:28:17,530 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1476 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 2897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:17,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 3648 Invalid, 2897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:28:17,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9294 states. [2023-12-02 12:28:17,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9294 to 6571. [2023-12-02 12:28:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 6569 states have (on average 2.7867255289998476) internal successors, (18306), 6570 states have internal predecessors, (18306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 18306 transitions. [2023-12-02 12:28:17,626 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 18306 transitions. Word has length 131 [2023-12-02 12:28:17,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:17,626 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 18306 transitions. [2023-12-02 12:28:17,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 18306 transitions. [2023-12-02 12:28:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:17,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:17,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:17,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 12:28:17,633 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:17,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:17,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1757661099, now seen corresponding path program 8 times [2023-12-02 12:28:17,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:17,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252166322] [2023-12-02 12:28:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:17,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:18,379 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 12:28:18,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:18,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252166322] [2023-12-02 12:28:18,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252166322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:18,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:18,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:18,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16451151] [2023-12-02 12:28:18,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:18,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:18,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:18,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:18,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:18,381 INFO L87 Difference]: Start difference. First operand 6571 states and 18306 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:24,184 INFO L93 Difference]: Finished difference Result 9487 states and 25954 transitions. [2023-12-02 12:28:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 12:28:24,184 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:24,196 INFO L225 Difference]: With dead ends: 9487 [2023-12-02 12:28:24,197 INFO L226 Difference]: Without dead ends: 9487 [2023-12-02 12:28:24,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5895 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2417, Invalid=15139, Unknown=0, NotChecked=0, Total=17556 [2023-12-02 12:28:24,198 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 1493 mSDsluCounter, 3803 mSDsCounter, 0 mSdLazyCounter, 3227 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 4235 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:24,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 4235 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3227 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:28:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9487 states. [2023-12-02 12:28:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9487 to 6563. [2023-12-02 12:28:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6563 states, 6561 states have (on average 2.7864654778235027) internal successors, (18282), 6562 states have internal predecessors, (18282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:24,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 18282 transitions. [2023-12-02 12:28:24,298 INFO L78 Accepts]: Start accepts. Automaton has 6563 states and 18282 transitions. Word has length 131 [2023-12-02 12:28:24,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:24,299 INFO L495 AbstractCegarLoop]: Abstraction has 6563 states and 18282 transitions. [2023-12-02 12:28:24,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 6563 states and 18282 transitions. [2023-12-02 12:28:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:24,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:24,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:24,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 12:28:24,305 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:24,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1937124537, now seen corresponding path program 9 times [2023-12-02 12:28:24,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:24,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564012075] [2023-12-02 12:28:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:24,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:25,187 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 12:28:25,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:25,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564012075] [2023-12-02 12:28:25,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564012075] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:25,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:25,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:25,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255641221] [2023-12-02 12:28:25,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:25,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:25,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:25,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:25,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:25,190 INFO L87 Difference]: Start difference. First operand 6563 states and 18282 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:28,371 INFO L93 Difference]: Finished difference Result 8183 states and 22359 transitions. [2023-12-02 12:28:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 12:28:28,371 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:28,382 INFO L225 Difference]: With dead ends: 8183 [2023-12-02 12:28:28,382 INFO L226 Difference]: Without dead ends: 8183 [2023-12-02 12:28:28,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1123, Invalid=4577, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 12:28:28,383 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1305 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:28,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 2634 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 12:28:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8183 states. [2023-12-02 12:28:28,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8183 to 6725. [2023-12-02 12:28:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6725 states, 6723 states have (on average 2.791164658634538) internal successors, (18765), 6724 states have internal predecessors, (18765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6725 states to 6725 states and 18765 transitions. [2023-12-02 12:28:28,483 INFO L78 Accepts]: Start accepts. Automaton has 6725 states and 18765 transitions. Word has length 131 [2023-12-02 12:28:28,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:28,483 INFO L495 AbstractCegarLoop]: Abstraction has 6725 states and 18765 transitions. [2023-12-02 12:28:28,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6725 states and 18765 transitions. [2023-12-02 12:28:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:28,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:28,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:28,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 12:28:28,490 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:28,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash 757225857, now seen corresponding path program 10 times [2023-12-02 12:28:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218617693] [2023-12-02 12:28:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:29,301 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 12:28:29,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:29,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218617693] [2023-12-02 12:28:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218617693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:29,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:29,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189213348] [2023-12-02 12:28:29,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:29,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:29,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:29,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:29,303 INFO L87 Difference]: Start difference. First operand 6725 states and 18765 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:32,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:32,519 INFO L93 Difference]: Finished difference Result 8519 states and 23316 transitions. [2023-12-02 12:28:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 12:28:32,519 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:32,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:32,530 INFO L225 Difference]: With dead ends: 8519 [2023-12-02 12:28:32,530 INFO L226 Difference]: Without dead ends: 8519 [2023-12-02 12:28:32,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1398, Invalid=5912, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 12:28:32,531 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1358 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:32,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 2117 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:28:32,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8519 states. [2023-12-02 12:28:32,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8519 to 6727. [2023-12-02 12:28:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6727 states, 6725 states have (on average 2.7913754646840148) internal successors, (18772), 6726 states have internal predecessors, (18772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6727 states to 6727 states and 18772 transitions. [2023-12-02 12:28:32,629 INFO L78 Accepts]: Start accepts. Automaton has 6727 states and 18772 transitions. Word has length 131 [2023-12-02 12:28:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:32,629 INFO L495 AbstractCegarLoop]: Abstraction has 6727 states and 18772 transitions. [2023-12-02 12:28:32,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6727 states and 18772 transitions. [2023-12-02 12:28:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:32,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:32,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:32,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 12:28:32,636 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:32,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1136520455, now seen corresponding path program 11 times [2023-12-02 12:28:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64803259] [2023-12-02 12:28:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:33,474 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 12:28:33,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:33,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64803259] [2023-12-02 12:28:33,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64803259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:33,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:33,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171018065] [2023-12-02 12:28:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:33,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:33,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:33,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:33,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:33,476 INFO L87 Difference]: Start difference. First operand 6727 states and 18772 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:37,460 INFO L93 Difference]: Finished difference Result 8855 states and 24273 transitions. [2023-12-02 12:28:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 12:28:37,460 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:37,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:37,472 INFO L225 Difference]: With dead ends: 8855 [2023-12-02 12:28:37,472 INFO L226 Difference]: Without dead ends: 8855 [2023-12-02 12:28:37,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1700, Invalid=7420, Unknown=0, NotChecked=0, Total=9120 [2023-12-02 12:28:37,473 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1351 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:37,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 3061 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:28:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2023-12-02 12:28:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 6729. [2023-12-02 12:28:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6727 states have (on average 2.7915861453842723) internal successors, (18779), 6728 states have internal predecessors, (18779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 18779 transitions. [2023-12-02 12:28:37,573 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 18779 transitions. Word has length 131 [2023-12-02 12:28:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:37,573 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 18779 transitions. [2023-12-02 12:28:37,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 18779 transitions. [2023-12-02 12:28:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:37,582 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:37,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:37,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 12:28:37,583 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:37,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:37,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2095371773, now seen corresponding path program 12 times [2023-12-02 12:28:37,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:37,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812565889] [2023-12-02 12:28:37,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:37,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:28:38,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812565889] [2023-12-02 12:28:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812565889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:38,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:38,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997971137] [2023-12-02 12:28:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:38,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:38,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:38,314 INFO L87 Difference]: Start difference. First operand 6729 states and 18779 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:42,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:42,831 INFO L93 Difference]: Finished difference Result 9171 states and 25078 transitions. [2023-12-02 12:28:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-12-02 12:28:42,832 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:42,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:42,843 INFO L225 Difference]: With dead ends: 9171 [2023-12-02 12:28:42,843 INFO L226 Difference]: Without dead ends: 9171 [2023-12-02 12:28:42,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3067 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2030, Invalid=9100, Unknown=0, NotChecked=0, Total=11130 [2023-12-02 12:28:42,845 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 1315 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 2762 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 2839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:42,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 3484 Invalid, 2839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 2762 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:28:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9171 states. [2023-12-02 12:28:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9171 to 6731. [2023-12-02 12:28:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6731 states, 6729 states have (on average 2.7917967008470796) internal successors, (18786), 6730 states have internal predecessors, (18786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6731 states to 6731 states and 18786 transitions. [2023-12-02 12:28:42,945 INFO L78 Accepts]: Start accepts. Automaton has 6731 states and 18786 transitions. Word has length 131 [2023-12-02 12:28:42,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:42,945 INFO L495 AbstractCegarLoop]: Abstraction has 6731 states and 18786 transitions. [2023-12-02 12:28:42,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 6731 states and 18786 transitions. [2023-12-02 12:28:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:42,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:42,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:42,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 12:28:42,955 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:42,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash -761963965, now seen corresponding path program 13 times [2023-12-02 12:28:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:42,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485019313] [2023-12-02 12:28:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:43,895 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 12:28:43,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:43,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485019313] [2023-12-02 12:28:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485019313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:43,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:43,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:43,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167399182] [2023-12-02 12:28:43,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:43,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:43,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:43,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:43,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:43,897 INFO L87 Difference]: Start difference. First operand 6731 states and 18786 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:46,174 INFO L93 Difference]: Finished difference Result 7767 states and 21283 transitions. [2023-12-02 12:28:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 12:28:46,174 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:46,184 INFO L225 Difference]: With dead ends: 7767 [2023-12-02 12:28:46,184 INFO L226 Difference]: Without dead ends: 7767 [2023-12-02 12:28:46,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=727, Invalid=2933, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 12:28:46,185 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1206 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:46,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 1979 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:28:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7767 states. [2023-12-02 12:28:46,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7767 to 6743. [2023-12-02 12:28:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6743 states, 6741 states have (on average 2.792167334223409) internal successors, (18822), 6742 states have internal predecessors, (18822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6743 states to 6743 states and 18822 transitions. [2023-12-02 12:28:46,279 INFO L78 Accepts]: Start accepts. Automaton has 6743 states and 18822 transitions. Word has length 131 [2023-12-02 12:28:46,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:46,279 INFO L495 AbstractCegarLoop]: Abstraction has 6743 states and 18822 transitions. [2023-12-02 12:28:46,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 6743 states and 18822 transitions. [2023-12-02 12:28:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:46,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:46,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:46,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 12:28:46,286 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:46,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1316172779, now seen corresponding path program 14 times [2023-12-02 12:28:46,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:46,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342055772] [2023-12-02 12:28:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:46,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:47,208 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 12:28:47,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:47,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342055772] [2023-12-02 12:28:47,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342055772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:47,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:47,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:47,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810001926] [2023-12-02 12:28:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:47,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:47,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:47,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:47,210 INFO L87 Difference]: Start difference. First operand 6743 states and 18822 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:50,056 INFO L93 Difference]: Finished difference Result 7954 states and 21805 transitions. [2023-12-02 12:28:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 12:28:50,056 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:50,067 INFO L225 Difference]: With dead ends: 7954 [2023-12-02 12:28:50,067 INFO L226 Difference]: Without dead ends: 7954 [2023-12-02 12:28:50,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=859, Invalid=3563, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 12:28:50,068 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1056 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:50,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1940 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:28:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7954 states. [2023-12-02 12:28:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7954 to 6739. [2023-12-02 12:28:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6739 states, 6737 states have (on average 2.792043936470239) internal successors, (18810), 6738 states have internal predecessors, (18810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6739 states to 6739 states and 18810 transitions. [2023-12-02 12:28:50,166 INFO L78 Accepts]: Start accepts. Automaton has 6739 states and 18810 transitions. Word has length 131 [2023-12-02 12:28:50,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:50,167 INFO L495 AbstractCegarLoop]: Abstraction has 6739 states and 18810 transitions. [2023-12-02 12:28:50,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6739 states and 18810 transitions. [2023-12-02 12:28:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:50,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:50,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:50,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 12:28:50,173 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:50,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1551005885, now seen corresponding path program 15 times [2023-12-02 12:28:50,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:50,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552247257] [2023-12-02 12:28:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:51,109 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 12:28:51,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:51,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552247257] [2023-12-02 12:28:51,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552247257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:51,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:51,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:28:51,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62809046] [2023-12-02 12:28:51,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:51,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:28:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:51,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:28:51,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:28:51,111 INFO L87 Difference]: Start difference. First operand 6739 states and 18810 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:54,244 INFO L93 Difference]: Finished difference Result 8141 states and 22327 transitions. [2023-12-02 12:28:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 12:28:54,244 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:54,254 INFO L225 Difference]: With dead ends: 8141 [2023-12-02 12:28:54,254 INFO L226 Difference]: Without dead ends: 8141 [2023-12-02 12:28:54,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1086, Invalid=4614, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 12:28:54,255 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 1185 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:54,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2556 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:28:54,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2023-12-02 12:28:54,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 6735. [2023-12-02 12:28:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6735 states, 6733 states have (on average 2.7919203920986186) internal successors, (18798), 6734 states have internal predecessors, (18798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 18798 transitions. [2023-12-02 12:28:54,352 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 18798 transitions. Word has length 131 [2023-12-02 12:28:54,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:54,352 INFO L495 AbstractCegarLoop]: Abstraction has 6735 states and 18798 transitions. [2023-12-02 12:28:54,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 18798 transitions. [2023-12-02 12:28:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:54,358 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:54,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:54,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-02 12:28:54,359 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:54,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:54,359 INFO L85 PathProgramCache]: Analyzing trace with hash -973787221, now seen corresponding path program 16 times [2023-12-02 12:28:54,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:54,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074464877] [2023-12-02 12:28:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:55,121 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 12:28:55,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:55,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074464877] [2023-12-02 12:28:55,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074464877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:55,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:55,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144241452] [2023-12-02 12:28:55,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:55,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:55,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:55,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:55,123 INFO L87 Difference]: Start difference. First operand 6735 states and 18798 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:58,912 INFO L93 Difference]: Finished difference Result 8712 states and 23889 transitions. [2023-12-02 12:28:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 12:28:58,912 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:28:58,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:58,924 INFO L225 Difference]: With dead ends: 8712 [2023-12-02 12:28:58,924 INFO L226 Difference]: Without dead ends: 8712 [2023-12-02 12:28:58,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2310 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1618, Invalid=7124, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 12:28:58,925 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1105 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:58,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 2580 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 12:28:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8712 states. [2023-12-02 12:28:59,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8712 to 6715. [2023-12-02 12:28:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6713 states have (on average 2.7913004617905557) internal successors, (18738), 6714 states have internal predecessors, (18738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 18738 transitions. [2023-12-02 12:28:59,026 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 18738 transitions. Word has length 131 [2023-12-02 12:28:59,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:59,026 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 18738 transitions. [2023-12-02 12:28:59,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:28:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 18738 transitions. [2023-12-02 12:28:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:28:59,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:59,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:59,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-02 12:28:59,033 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:28:59,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash -146292633, now seen corresponding path program 17 times [2023-12-02 12:28:59,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:59,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229002314] [2023-12-02 12:28:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:59,799 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 12:28:59,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:28:59,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229002314] [2023-12-02 12:28:59,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229002314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:59,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:59,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:28:59,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892666173] [2023-12-02 12:28:59,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:59,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:28:59,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:28:59,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:28:59,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:28:59,801 INFO L87 Difference]: Start difference. First operand 6715 states and 18738 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:04,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:04,301 INFO L93 Difference]: Finished difference Result 9792 states and 26861 transitions. [2023-12-02 12:29:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-12-02 12:29:04,301 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:04,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:04,314 INFO L225 Difference]: With dead ends: 9792 [2023-12-02 12:29:04,314 INFO L226 Difference]: Without dead ends: 9792 [2023-12-02 12:29:04,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3515 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1910, Invalid=9862, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 12:29:04,316 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 1273 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 2732 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:04,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 3410 Invalid, 2809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 2732 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:29:04,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9792 states. [2023-12-02 12:29:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9792 to 6715. [2023-12-02 12:29:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6713 states have (on average 2.7913004617905557) internal successors, (18738), 6714 states have internal predecessors, (18738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 18738 transitions. [2023-12-02 12:29:04,420 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 18738 transitions. Word has length 131 [2023-12-02 12:29:04,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:04,420 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 18738 transitions. [2023-12-02 12:29:04,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 18738 transitions. [2023-12-02 12:29:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:04,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:04,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:04,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-02 12:29:04,428 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:04,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:04,428 INFO L85 PathProgramCache]: Analyzing trace with hash 306072195, now seen corresponding path program 18 times [2023-12-02 12:29:04,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:04,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828310475] [2023-12-02 12:29:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:05,301 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 12:29:05,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:05,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828310475] [2023-12-02 12:29:05,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828310475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:05,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:05,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:05,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605941271] [2023-12-02 12:29:05,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:05,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:05,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:05,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:05,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:05,303 INFO L87 Difference]: Start difference. First operand 6715 states and 18738 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:07,291 INFO L93 Difference]: Finished difference Result 7606 states and 20802 transitions. [2023-12-02 12:29:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 12:29:07,292 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:07,301 INFO L225 Difference]: With dead ends: 7606 [2023-12-02 12:29:07,301 INFO L226 Difference]: Without dead ends: 7606 [2023-12-02 12:29:07,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=708, Invalid=2832, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 12:29:07,302 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 975 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:07,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 1474 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 12:29:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2023-12-02 12:29:07,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 6729. [2023-12-02 12:29:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6727 states have (on average 2.7917348000594617) internal successors, (18780), 6728 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 18780 transitions. [2023-12-02 12:29:07,393 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 18780 transitions. Word has length 131 [2023-12-02 12:29:07,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:07,393 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 18780 transitions. [2023-12-02 12:29:07,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 18780 transitions. [2023-12-02 12:29:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:07,399 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:07,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:07,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-02 12:29:07,400 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:07,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash -400565629, now seen corresponding path program 19 times [2023-12-02 12:29:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:07,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251626954] [2023-12-02 12:29:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:29:08,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251626954] [2023-12-02 12:29:08,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251626954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:08,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:08,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:08,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407565606] [2023-12-02 12:29:08,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:08,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:08,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:08,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:08,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:08,341 INFO L87 Difference]: Start difference. First operand 6729 states and 18780 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:10,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:10,590 INFO L93 Difference]: Finished difference Result 7591 states and 20785 transitions. [2023-12-02 12:29:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 12:29:10,590 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:10,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:10,601 INFO L225 Difference]: With dead ends: 7591 [2023-12-02 12:29:10,601 INFO L226 Difference]: Without dead ends: 7591 [2023-12-02 12:29:10,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=719, Invalid=2821, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 12:29:10,602 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1150 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:10,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 1677 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:29:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7591 states. [2023-12-02 12:29:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7591 to 6721. [2023-12-02 12:29:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 6719 states have (on average 2.791486828397083) internal successors, (18756), 6720 states have internal predecessors, (18756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 18756 transitions. [2023-12-02 12:29:10,708 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 18756 transitions. Word has length 131 [2023-12-02 12:29:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 6721 states and 18756 transitions. [2023-12-02 12:29:10,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 18756 transitions. [2023-12-02 12:29:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:10,716 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:10,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:10,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-02 12:29:10,717 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:10,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:10,717 INFO L85 PathProgramCache]: Analyzing trace with hash 643954029, now seen corresponding path program 20 times [2023-12-02 12:29:10,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:10,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054752167] [2023-12-02 12:29:10,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:10,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:11,642 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 12:29:11,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054752167] [2023-12-02 12:29:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054752167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:11,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:11,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:11,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080044358] [2023-12-02 12:29:11,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:11,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:11,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:11,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:11,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:11,644 INFO L87 Difference]: Start difference. First operand 6721 states and 18756 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:15,146 INFO L93 Difference]: Finished difference Result 7859 states and 21518 transitions. [2023-12-02 12:29:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 12:29:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:15,157 INFO L225 Difference]: With dead ends: 7859 [2023-12-02 12:29:15,157 INFO L226 Difference]: Without dead ends: 7859 [2023-12-02 12:29:15,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1384 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1043, Invalid=4507, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 12:29:15,158 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 967 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:15,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 2789 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2542 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:29:15,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7859 states. [2023-12-02 12:29:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7859 to 6733. [2023-12-02 12:29:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6733 states, 6731 states have (on average 2.791858564849205) internal successors, (18792), 6732 states have internal predecessors, (18792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6733 states to 6733 states and 18792 transitions. [2023-12-02 12:29:15,263 INFO L78 Accepts]: Start accepts. Automaton has 6733 states and 18792 transitions. Word has length 131 [2023-12-02 12:29:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:15,264 INFO L495 AbstractCegarLoop]: Abstraction has 6733 states and 18792 transitions. [2023-12-02 12:29:15,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6733 states and 18792 transitions. [2023-12-02 12:29:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:15,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:15,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:15,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-02 12:29:15,272 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:15,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash 227317645, now seen corresponding path program 21 times [2023-12-02 12:29:15,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:15,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807161599] [2023-12-02 12:29:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:15,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:29:16,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:16,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807161599] [2023-12-02 12:29:16,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807161599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:16,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:16,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:16,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419063989] [2023-12-02 12:29:16,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:16,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:16,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:16,198 INFO L87 Difference]: Start difference. First operand 6733 states and 18792 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:18,836 INFO L93 Difference]: Finished difference Result 7844 states and 21502 transitions. [2023-12-02 12:29:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 12:29:18,837 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:18,847 INFO L225 Difference]: With dead ends: 7844 [2023-12-02 12:29:18,847 INFO L226 Difference]: Without dead ends: 7844 [2023-12-02 12:29:18,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1069, Invalid=4481, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 12:29:18,848 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 1189 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:18,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 1449 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:29:18,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2023-12-02 12:29:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 6719. [2023-12-02 12:29:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6719 states, 6717 states have (on average 2.7914247431889234) internal successors, (18750), 6718 states have internal predecessors, (18750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6719 states to 6719 states and 18750 transitions. [2023-12-02 12:29:18,950 INFO L78 Accepts]: Start accepts. Automaton has 6719 states and 18750 transitions. Word has length 131 [2023-12-02 12:29:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:18,951 INFO L495 AbstractCegarLoop]: Abstraction has 6719 states and 18750 transitions. [2023-12-02 12:29:18,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6719 states and 18750 transitions. [2023-12-02 12:29:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:18,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:18,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:18,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-02 12:29:18,958 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:18,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash -2002748957, now seen corresponding path program 22 times [2023-12-02 12:29:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141887223] [2023-12-02 12:29:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:19,899 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 12:29:19,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:19,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141887223] [2023-12-02 12:29:19,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141887223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:19,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:19,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:29:19,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413600740] [2023-12-02 12:29:19,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:19,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:29:19,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:19,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:29:19,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:29:19,901 INFO L87 Difference]: Start difference. First operand 6719 states and 18750 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:23,581 INFO L93 Difference]: Finished difference Result 8112 states and 22234 transitions. [2023-12-02 12:29:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 12:29:23,582 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:23,594 INFO L225 Difference]: With dead ends: 8112 [2023-12-02 12:29:23,595 INFO L226 Difference]: Without dead ends: 8112 [2023-12-02 12:29:23,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2373 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1520, Invalid=7036, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 12:29:23,596 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 1007 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:23,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 2009 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:29:23,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8112 states. [2023-12-02 12:29:23,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8112 to 6737. [2023-12-02 12:29:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6737 states, 6735 states have (on average 2.7919821826280624) internal successors, (18804), 6736 states have internal predecessors, (18804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6737 states to 6737 states and 18804 transitions. [2023-12-02 12:29:23,736 INFO L78 Accepts]: Start accepts. Automaton has 6737 states and 18804 transitions. Word has length 131 [2023-12-02 12:29:23,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:23,736 INFO L495 AbstractCegarLoop]: Abstraction has 6737 states and 18804 transitions. [2023-12-02 12:29:23,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6737 states and 18804 transitions. [2023-12-02 12:29:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:23,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:23,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:23,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-02 12:29:23,745 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:23,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:23,746 INFO L85 PathProgramCache]: Analyzing trace with hash -2033574973, now seen corresponding path program 23 times [2023-12-02 12:29:23,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:23,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680527245] [2023-12-02 12:29:23,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:23,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:24,646 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 12:29:24,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680527245] [2023-12-02 12:29:24,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680527245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:24,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:24,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:29:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832416253] [2023-12-02 12:29:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:24,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:29:24,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:24,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:29:24,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:29:24,648 INFO L87 Difference]: Start difference. First operand 6737 states and 18804 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:28,394 INFO L93 Difference]: Finished difference Result 8097 states and 22219 transitions. [2023-12-02 12:29:28,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 12:29:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:28,405 INFO L225 Difference]: With dead ends: 8097 [2023-12-02 12:29:28,405 INFO L226 Difference]: Without dead ends: 8097 [2023-12-02 12:29:28,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2366 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1569, Invalid=6987, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 12:29:28,406 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 948 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:28,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 2293 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2162 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:29:28,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8097 states. [2023-12-02 12:29:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8097 to 6717. [2023-12-02 12:29:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6717 states, 6715 states have (on average 2.791362620997766) internal successors, (18744), 6716 states have internal predecessors, (18744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6717 states to 6717 states and 18744 transitions. [2023-12-02 12:29:28,510 INFO L78 Accepts]: Start accepts. Automaton has 6717 states and 18744 transitions. Word has length 131 [2023-12-02 12:29:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:28,510 INFO L495 AbstractCegarLoop]: Abstraction has 6717 states and 18744 transitions. [2023-12-02 12:29:28,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6717 states and 18744 transitions. [2023-12-02 12:29:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:28,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:28,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:28,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-02 12:29:28,517 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:28,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash 109006669, now seen corresponding path program 24 times [2023-12-02 12:29:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873237073] [2023-12-02 12:29:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:29:29,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:29,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873237073] [2023-12-02 12:29:29,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873237073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:29,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:29,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:29,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450661819] [2023-12-02 12:29:29,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:29,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:29,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:29,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:29,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:29,393 INFO L87 Difference]: Start difference. First operand 6717 states and 18744 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:34,246 INFO L93 Difference]: Finished difference Result 8649 states and 23684 transitions. [2023-12-02 12:29:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 12:29:34,247 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:34,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:34,259 INFO L225 Difference]: With dead ends: 8649 [2023-12-02 12:29:34,259 INFO L226 Difference]: Without dead ends: 8649 [2023-12-02 12:29:34,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3255 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1998, Invalid=9558, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 12:29:34,260 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 1037 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 3125 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:34,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 3125 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2846 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:29:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8649 states. [2023-12-02 12:29:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8649 to 6741. [2023-12-02 12:29:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6741 states, 6739 states have (on average 2.7921056536578126) internal successors, (18816), 6740 states have internal predecessors, (18816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6741 states to 6741 states and 18816 transitions. [2023-12-02 12:29:34,375 INFO L78 Accepts]: Start accepts. Automaton has 6741 states and 18816 transitions. Word has length 131 [2023-12-02 12:29:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:34,376 INFO L495 AbstractCegarLoop]: Abstraction has 6741 states and 18816 transitions. [2023-12-02 12:29:34,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 6741 states and 18816 transitions. [2023-12-02 12:29:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:34,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:34,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:34,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-02 12:29:34,383 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:34,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1703690419, now seen corresponding path program 25 times [2023-12-02 12:29:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:34,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653212382] [2023-12-02 12:29:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:35,269 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 12:29:35,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:35,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653212382] [2023-12-02 12:29:35,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653212382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:35,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:35,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:35,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253137763] [2023-12-02 12:29:35,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:35,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:35,271 INFO L87 Difference]: Start difference. First operand 6741 states and 18816 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:40,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:40,071 INFO L93 Difference]: Finished difference Result 8640 states and 23686 transitions. [2023-12-02 12:29:40,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 12:29:40,071 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:40,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:40,083 INFO L225 Difference]: With dead ends: 8640 [2023-12-02 12:29:40,083 INFO L226 Difference]: Without dead ends: 8640 [2023-12-02 12:29:40,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3252 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2069, Invalid=9487, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 12:29:40,085 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 1220 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 2617 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:40,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 2934 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2617 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:29:40,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8640 states. [2023-12-02 12:29:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8640 to 6707. [2023-12-02 12:29:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6707 states, 6705 states have (on average 2.7910514541387026) internal successors, (18714), 6706 states have internal predecessors, (18714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 18714 transitions. [2023-12-02 12:29:40,223 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 18714 transitions. Word has length 131 [2023-12-02 12:29:40,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:40,223 INFO L495 AbstractCegarLoop]: Abstraction has 6707 states and 18714 transitions. [2023-12-02 12:29:40,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 18714 transitions. [2023-12-02 12:29:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:40,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:40,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:40,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-02 12:29:40,232 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:40,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:40,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2010410905, now seen corresponding path program 26 times [2023-12-02 12:29:40,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:40,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514886943] [2023-12-02 12:29:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:40,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:29:41,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:41,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514886943] [2023-12-02 12:29:41,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514886943] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:41,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:41,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:41,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660943999] [2023-12-02 12:29:41,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:41,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:41,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:41,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:41,029 INFO L87 Difference]: Start difference. First operand 6707 states and 18714 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:46,679 INFO L93 Difference]: Finished difference Result 10159 states and 27918 transitions. [2023-12-02 12:29:46,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-12-02 12:29:46,679 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:46,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:46,693 INFO L225 Difference]: With dead ends: 10159 [2023-12-02 12:29:46,694 INFO L226 Difference]: Without dead ends: 10159 [2023-12-02 12:29:46,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5609 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2498, Invalid=14794, Unknown=0, NotChecked=0, Total=17292 [2023-12-02 12:29:46,695 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 1483 mSDsluCounter, 3197 mSDsCounter, 0 mSdLazyCounter, 3028 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 3582 SdHoareTripleChecker+Invalid, 3142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:46,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 3582 Invalid, 3142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3028 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:29:46,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10159 states. [2023-12-02 12:29:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10159 to 6795. [2023-12-02 12:29:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 6793 states have (on average 2.793758280582953) internal successors, (18978), 6794 states have internal predecessors, (18978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 18978 transitions. [2023-12-02 12:29:46,809 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 18978 transitions. Word has length 131 [2023-12-02 12:29:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:46,809 INFO L495 AbstractCegarLoop]: Abstraction has 6795 states and 18978 transitions. [2023-12-02 12:29:46,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 18978 transitions. [2023-12-02 12:29:46,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:46,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:46,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:46,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-02 12:29:46,816 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:46,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash 862671305, now seen corresponding path program 27 times [2023-12-02 12:29:46,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:46,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218952704] [2023-12-02 12:29:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:46,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:47,751 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 12:29:47,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:47,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218952704] [2023-12-02 12:29:47,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218952704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:47,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:47,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:47,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020592503] [2023-12-02 12:29:47,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:47,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:47,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:47,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:47,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:47,753 INFO L87 Difference]: Start difference. First operand 6795 states and 18978 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:53,219 INFO L93 Difference]: Finished difference Result 10022 states and 27544 transitions. [2023-12-02 12:29:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-12-02 12:29:53,220 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:53,233 INFO L225 Difference]: With dead ends: 10022 [2023-12-02 12:29:53,233 INFO L226 Difference]: Without dead ends: 10022 [2023-12-02 12:29:53,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6289 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2726, Invalid=16180, Unknown=0, NotChecked=0, Total=18906 [2023-12-02 12:29:53,235 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1311 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 2871 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:53,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 3517 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2871 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:29:53,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2023-12-02 12:29:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 6707. [2023-12-02 12:29:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6707 states, 6705 states have (on average 2.7910514541387026) internal successors, (18714), 6706 states have internal predecessors, (18714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 18714 transitions. [2023-12-02 12:29:53,342 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 18714 transitions. Word has length 131 [2023-12-02 12:29:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:53,342 INFO L495 AbstractCegarLoop]: Abstraction has 6707 states and 18714 transitions. [2023-12-02 12:29:53,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 18714 transitions. [2023-12-02 12:29:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:53,348 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:53,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:53,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-02 12:29:53,349 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:53,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:53,349 INFO L85 PathProgramCache]: Analyzing trace with hash 195485509, now seen corresponding path program 28 times [2023-12-02 12:29:53,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:53,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861321058] [2023-12-02 12:29:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:53,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:54,260 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 12:29:54,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:54,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861321058] [2023-12-02 12:29:54,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861321058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:54,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:54,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825094635] [2023-12-02 12:29:54,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:54,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:54,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:54,261 INFO L87 Difference]: Start difference. First operand 6707 states and 18714 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:56,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:56,033 INFO L93 Difference]: Finished difference Result 7407 states and 20249 transitions. [2023-12-02 12:29:56,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 12:29:56,033 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:56,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:56,042 INFO L225 Difference]: With dead ends: 7407 [2023-12-02 12:29:56,042 INFO L226 Difference]: Without dead ends: 7407 [2023-12-02 12:29:56,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=516, Invalid=2136, Unknown=0, NotChecked=0, Total=2652 [2023-12-02 12:29:56,043 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 904 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:56,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1317 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 12:29:56,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2023-12-02 12:29:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 6715. [2023-12-02 12:29:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6713 states have (on average 2.7913004617905557) internal successors, (18738), 6714 states have internal predecessors, (18738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 18738 transitions. [2023-12-02 12:29:56,134 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 18738 transitions. Word has length 131 [2023-12-02 12:29:56,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:56,134 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 18738 transitions. [2023-12-02 12:29:56,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 18738 transitions. [2023-12-02 12:29:56,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:56,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:56,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:56,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-02 12:29:56,140 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:56,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:56,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1144158915, now seen corresponding path program 29 times [2023-12-02 12:29:56,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:56,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176303071] [2023-12-02 12:29:56,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:57,067 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 12:29:57,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:57,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176303071] [2023-12-02 12:29:57,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176303071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:57,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:57,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:57,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827194577] [2023-12-02 12:29:57,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:57,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:57,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:57,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:57,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:57,069 INFO L87 Difference]: Start difference. First operand 6715 states and 18738 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:58,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:29:58,658 INFO L93 Difference]: Finished difference Result 7421 states and 20314 transitions. [2023-12-02 12:29:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 12:29:58,659 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:29:58,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:29:58,668 INFO L225 Difference]: With dead ends: 7421 [2023-12-02 12:29:58,668 INFO L226 Difference]: Without dead ends: 7421 [2023-12-02 12:29:58,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=492, Invalid=1958, Unknown=0, NotChecked=0, Total=2450 [2023-12-02 12:29:58,669 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 906 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:29:58,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1153 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 12:29:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7421 states. [2023-12-02 12:29:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7421 to 6709. [2023-12-02 12:29:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6709 states, 6707 states have (on average 2.7911137617414643) internal successors, (18720), 6708 states have internal predecessors, (18720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 18720 transitions. [2023-12-02 12:29:58,760 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 18720 transitions. Word has length 131 [2023-12-02 12:29:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:29:58,760 INFO L495 AbstractCegarLoop]: Abstraction has 6709 states and 18720 transitions. [2023-12-02 12:29:58,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:29:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 18720 transitions. [2023-12-02 12:29:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:29:58,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:29:58,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:58,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-02 12:29:58,767 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:29:58,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:29:58,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1165147429, now seen corresponding path program 30 times [2023-12-02 12:29:58,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:29:58,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599044977] [2023-12-02 12:29:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:29:58,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:29:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:29:59,658 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 12:29:59,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:29:59,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599044977] [2023-12-02 12:29:59,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599044977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:29:59,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:29:59,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:29:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244724720] [2023-12-02 12:29:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:29:59,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:29:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:29:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:29:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:29:59,660 INFO L87 Difference]: Start difference. First operand 6709 states and 18720 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:01,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:01,271 INFO L93 Difference]: Finished difference Result 7383 states and 20183 transitions. [2023-12-02 12:30:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 12:30:01,271 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:01,281 INFO L225 Difference]: With dead ends: 7383 [2023-12-02 12:30:01,281 INFO L226 Difference]: Without dead ends: 7383 [2023-12-02 12:30:01,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=388, Invalid=1592, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 12:30:01,281 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1088 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:01,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 1620 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 12:30:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2023-12-02 12:30:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 6706. [2023-12-02 12:30:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6706 states, 6704 states have (on average 2.7910202863961815) internal successors, (18711), 6705 states have internal predecessors, (18711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6706 states to 6706 states and 18711 transitions. [2023-12-02 12:30:01,370 INFO L78 Accepts]: Start accepts. Automaton has 6706 states and 18711 transitions. Word has length 131 [2023-12-02 12:30:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:01,370 INFO L495 AbstractCegarLoop]: Abstraction has 6706 states and 18711 transitions. [2023-12-02 12:30:01,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 6706 states and 18711 transitions. [2023-12-02 12:30:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:01,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:01,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:01,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-02 12:30:01,377 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:01,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:01,377 INFO L85 PathProgramCache]: Analyzing trace with hash -126862387, now seen corresponding path program 31 times [2023-12-02 12:30:01,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:01,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322222455] [2023-12-02 12:30:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:02,205 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 12:30:02,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:02,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322222455] [2023-12-02 12:30:02,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322222455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:02,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:02,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:02,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886528199] [2023-12-02 12:30:02,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:02,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:02,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:02,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:02,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:02,207 INFO L87 Difference]: Start difference. First operand 6706 states and 18711 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:04,913 INFO L93 Difference]: Finished difference Result 7655 states and 20954 transitions. [2023-12-02 12:30:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 12:30:04,914 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:04,923 INFO L225 Difference]: With dead ends: 7655 [2023-12-02 12:30:04,924 INFO L226 Difference]: Without dead ends: 7655 [2023-12-02 12:30:04,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=885, Invalid=3945, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 12:30:04,924 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1128 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:04,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1805 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1593 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:30:04,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2023-12-02 12:30:04,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 6722. [2023-12-02 12:30:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6722 states, 6720 states have (on average 2.791517857142857) internal successors, (18759), 6721 states have internal predecessors, (18759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 18759 transitions. [2023-12-02 12:30:05,015 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 18759 transitions. Word has length 131 [2023-12-02 12:30:05,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:05,015 INFO L495 AbstractCegarLoop]: Abstraction has 6722 states and 18759 transitions. [2023-12-02 12:30:05,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 18759 transitions. [2023-12-02 12:30:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:05,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:05,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:05,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-02 12:30:05,022 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:05,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:05,022 INFO L85 PathProgramCache]: Analyzing trace with hash -768458193, now seen corresponding path program 32 times [2023-12-02 12:30:05,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:05,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856669812] [2023-12-02 12:30:05,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:05,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:05,877 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 12:30:05,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:05,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856669812] [2023-12-02 12:30:05,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856669812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:05,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:05,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:05,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918835898] [2023-12-02 12:30:05,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:05,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:05,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:05,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:05,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:05,879 INFO L87 Difference]: Start difference. First operand 6722 states and 18759 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:08,613 INFO L93 Difference]: Finished difference Result 7644 states and 20947 transitions. [2023-12-02 12:30:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 12:30:08,614 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:08,623 INFO L225 Difference]: With dead ends: 7644 [2023-12-02 12:30:08,624 INFO L226 Difference]: Without dead ends: 7644 [2023-12-02 12:30:08,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=826, Invalid=3464, Unknown=0, NotChecked=0, Total=4290 [2023-12-02 12:30:08,624 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1087 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 1766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:08,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 2032 Invalid, 1766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:30:08,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2023-12-02 12:30:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 6710. [2023-12-02 12:30:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6710 states, 6708 states have (on average 2.791144901610018) internal successors, (18723), 6709 states have internal predecessors, (18723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 18723 transitions. [2023-12-02 12:30:08,716 INFO L78 Accepts]: Start accepts. Automaton has 6710 states and 18723 transitions. Word has length 131 [2023-12-02 12:30:08,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:08,716 INFO L495 AbstractCegarLoop]: Abstraction has 6710 states and 18723 transitions. [2023-12-02 12:30:08,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6710 states and 18723 transitions. [2023-12-02 12:30:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:08,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:08,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:08,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-02 12:30:08,723 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:08,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash -132113939, now seen corresponding path program 33 times [2023-12-02 12:30:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081745385] [2023-12-02 12:30:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:08,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:09,614 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 12:30:09,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:09,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081745385] [2023-12-02 12:30:09,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081745385] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:09,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:09,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:09,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596224829] [2023-12-02 12:30:09,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:09,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:09,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:09,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:09,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:09,616 INFO L87 Difference]: Start difference. First operand 6710 states and 18723 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:12,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:12,134 INFO L93 Difference]: Finished difference Result 7593 states and 20775 transitions. [2023-12-02 12:30:12,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 12:30:12,134 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:12,143 INFO L225 Difference]: With dead ends: 7593 [2023-12-02 12:30:12,144 INFO L226 Difference]: Without dead ends: 7593 [2023-12-02 12:30:12,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=584, Invalid=2496, Unknown=0, NotChecked=0, Total=3080 [2023-12-02 12:30:12,144 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1120 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 2271 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:12,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 2271 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:30:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7593 states. [2023-12-02 12:30:12,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7593 to 6705. [2023-12-02 12:30:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 6703 states have (on average 2.7909891093540207) internal successors, (18708), 6704 states have internal predecessors, (18708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 18708 transitions. [2023-12-02 12:30:12,244 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 18708 transitions. Word has length 131 [2023-12-02 12:30:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:12,245 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 18708 transitions. [2023-12-02 12:30:12,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 18708 transitions. [2023-12-02 12:30:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:12,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:12,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:12,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-02 12:30:12,251 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:12,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1815418267, now seen corresponding path program 34 times [2023-12-02 12:30:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:12,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469534273] [2023-12-02 12:30:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:12,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:13,125 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 12:30:13,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:13,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469534273] [2023-12-02 12:30:13,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469534273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:13,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:30:13,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826016335] [2023-12-02 12:30:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:13,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:30:13,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:13,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:30:13,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:30:13,127 INFO L87 Difference]: Start difference. First operand 6705 states and 18708 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:16,488 INFO L93 Difference]: Finished difference Result 7903 states and 21659 transitions. [2023-12-02 12:30:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-12-02 12:30:16,489 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:16,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:16,499 INFO L225 Difference]: With dead ends: 7903 [2023-12-02 12:30:16,499 INFO L226 Difference]: Without dead ends: 7903 [2023-12-02 12:30:16,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2283 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1401, Invalid=6789, Unknown=0, NotChecked=0, Total=8190 [2023-12-02 12:30:16,500 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 1156 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:16,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1786 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1802 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:30:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7903 states. [2023-12-02 12:30:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7903 to 6729. [2023-12-02 12:30:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6727 states have (on average 2.7917348000594617) internal successors, (18780), 6728 states have internal predecessors, (18780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 18780 transitions. [2023-12-02 12:30:16,593 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 18780 transitions. Word has length 131 [2023-12-02 12:30:16,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:16,593 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 18780 transitions. [2023-12-02 12:30:16,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 18780 transitions. [2023-12-02 12:30:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:16,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:16,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:16,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-02 12:30:16,600 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:16,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash -230051773, now seen corresponding path program 35 times [2023-12-02 12:30:16,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:16,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202059023] [2023-12-02 12:30:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:17,442 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 12:30:17,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:17,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202059023] [2023-12-02 12:30:17,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202059023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:17,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:17,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:30:17,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84864061] [2023-12-02 12:30:17,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:17,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:30:17,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:17,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:30:17,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:30:17,444 INFO L87 Difference]: Start difference. First operand 6729 states and 18780 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:21,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:21,007 INFO L93 Difference]: Finished difference Result 7867 states and 21580 transitions. [2023-12-02 12:30:21,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-02 12:30:21,007 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:21,017 INFO L225 Difference]: With dead ends: 7867 [2023-12-02 12:30:21,017 INFO L226 Difference]: Without dead ends: 7867 [2023-12-02 12:30:21,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1929 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 12:30:21,018 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 918 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:21,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 2244 Invalid, 2104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2013 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:30:21,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2023-12-02 12:30:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 6711. [2023-12-02 12:30:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6711 states, 6709 states have (on average 2.7911760321955583) internal successors, (18726), 6710 states have internal predecessors, (18726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 18726 transitions. [2023-12-02 12:30:21,116 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 18726 transitions. Word has length 131 [2023-12-02 12:30:21,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:21,116 INFO L495 AbstractCegarLoop]: Abstraction has 6711 states and 18726 transitions. [2023-12-02 12:30:21,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 18726 transitions. [2023-12-02 12:30:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:21,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:21,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:21,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-02 12:30:21,122 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:21,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:21,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1978216379, now seen corresponding path program 36 times [2023-12-02 12:30:21,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:21,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449094612] [2023-12-02 12:30:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:21,976 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 12:30:21,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449094612] [2023-12-02 12:30:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449094612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:30:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151376681] [2023-12-02 12:30:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:30:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:21,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:30:21,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:30:21,978 INFO L87 Difference]: Start difference. First operand 6711 states and 18726 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:25,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:25,111 INFO L93 Difference]: Finished difference Result 7803 states and 21367 transitions. [2023-12-02 12:30:25,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 12:30:25,111 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:25,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:25,122 INFO L225 Difference]: With dead ends: 7803 [2023-12-02 12:30:25,122 INFO L226 Difference]: Without dead ends: 7803 [2023-12-02 12:30:25,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=870, Invalid=3960, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 12:30:25,122 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1140 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 2245 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:25,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 2470 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2245 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:30:25,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7803 states. [2023-12-02 12:30:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7803 to 6704. [2023-12-02 12:30:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6704 states, 6702 states have (on average 2.7909579230080572) internal successors, (18705), 6703 states have internal predecessors, (18705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 18705 transitions. [2023-12-02 12:30:25,220 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 18705 transitions. Word has length 131 [2023-12-02 12:30:25,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:25,220 INFO L495 AbstractCegarLoop]: Abstraction has 6704 states and 18705 transitions. [2023-12-02 12:30:25,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 18705 transitions. [2023-12-02 12:30:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:25,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:25,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:25,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-02 12:30:25,227 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:25,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:25,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1234098733, now seen corresponding path program 37 times [2023-12-02 12:30:25,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:25,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856501443] [2023-12-02 12:30:25,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:25,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:25,995 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 12:30:25,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856501443] [2023-12-02 12:30:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856501443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:25,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:25,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55851644] [2023-12-02 12:30:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:25,996 INFO L87 Difference]: Start difference. First operand 6704 states and 18705 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:30,768 INFO L93 Difference]: Finished difference Result 8488 states and 23239 transitions. [2023-12-02 12:30:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-12-02 12:30:30,769 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:30,780 INFO L225 Difference]: With dead ends: 8488 [2023-12-02 12:30:30,780 INFO L226 Difference]: Without dead ends: 8488 [2023-12-02 12:30:30,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3190 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1896, Invalid=9234, Unknown=0, NotChecked=0, Total=11130 [2023-12-02 12:30:30,781 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 1005 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 3020 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:30,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 3020 Invalid, 2749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:30:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8488 states. [2023-12-02 12:30:30,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8488 to 6720. [2023-12-02 12:30:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6720 states, 6718 states have (on average 2.7914557904138135) internal successors, (18753), 6719 states have internal predecessors, (18753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6720 states to 6720 states and 18753 transitions. [2023-12-02 12:30:30,885 INFO L78 Accepts]: Start accepts. Automaton has 6720 states and 18753 transitions. Word has length 131 [2023-12-02 12:30:30,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:30,886 INFO L495 AbstractCegarLoop]: Abstraction has 6720 states and 18753 transitions. [2023-12-02 12:30:30,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 6720 states and 18753 transitions. [2023-12-02 12:30:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:30,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:30,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:30,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-02 12:30:30,892 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:30,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:30,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2016238097, now seen corresponding path program 38 times [2023-12-02 12:30:30,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:30,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209671155] [2023-12-02 12:30:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:30,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:31,724 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 12:30:31,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:31,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209671155] [2023-12-02 12:30:31,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209671155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:31,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:31,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:31,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358172348] [2023-12-02 12:30:31,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:31,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:31,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:31,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:31,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:31,726 INFO L87 Difference]: Start difference. First operand 6720 states and 18753 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:36,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:36,222 INFO L93 Difference]: Finished difference Result 8354 states and 22885 transitions. [2023-12-02 12:30:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-12-02 12:30:36,222 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:36,233 INFO L225 Difference]: With dead ends: 8354 [2023-12-02 12:30:36,233 INFO L226 Difference]: Without dead ends: 8354 [2023-12-02 12:30:36,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2628 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1737, Invalid=7769, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 12:30:36,234 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1182 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:36,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 3013 Invalid, 2671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:30:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8354 states. [2023-12-02 12:30:36,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8354 to 6684. [2023-12-02 12:30:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6684 states, 6682 states have (on average 2.7903322358575275) internal successors, (18645), 6683 states have internal predecessors, (18645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6684 states to 6684 states and 18645 transitions. [2023-12-02 12:30:36,337 INFO L78 Accepts]: Start accepts. Automaton has 6684 states and 18645 transitions. Word has length 131 [2023-12-02 12:30:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:36,338 INFO L495 AbstractCegarLoop]: Abstraction has 6684 states and 18645 transitions. [2023-12-02 12:30:36,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6684 states and 18645 transitions. [2023-12-02 12:30:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:36,344 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:36,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:36,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-02 12:30:36,344 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:36,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash 482324557, now seen corresponding path program 39 times [2023-12-02 12:30:36,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:36,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818241968] [2023-12-02 12:30:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:36,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:37,165 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 12:30:37,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:37,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818241968] [2023-12-02 12:30:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818241968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:37,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463880906] [2023-12-02 12:30:37,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:37,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:37,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:37,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:37,167 INFO L87 Difference]: Start difference. First operand 6684 states and 18645 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:40,909 INFO L93 Difference]: Finished difference Result 8274 states and 22617 transitions. [2023-12-02 12:30:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 12:30:40,909 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:40,920 INFO L225 Difference]: With dead ends: 8274 [2023-12-02 12:30:40,920 INFO L226 Difference]: Without dead ends: 8274 [2023-12-02 12:30:40,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1114, Invalid=4892, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 12:30:40,921 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1005 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:40,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 2906 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:30:40,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8274 states. [2023-12-02 12:30:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8274 to 6675. [2023-12-02 12:30:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6675 states, 6673 states have (on average 2.7900494530196314) internal successors, (18618), 6674 states have internal predecessors, (18618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 18618 transitions. [2023-12-02 12:30:41,028 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 18618 transitions. Word has length 131 [2023-12-02 12:30:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:41,029 INFO L495 AbstractCegarLoop]: Abstraction has 6675 states and 18618 transitions. [2023-12-02 12:30:41,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 18618 transitions. [2023-12-02 12:30:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:41,036 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:41,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:41,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-02 12:30:41,037 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:41,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:41,037 INFO L85 PathProgramCache]: Analyzing trace with hash 87942121, now seen corresponding path program 40 times [2023-12-02 12:30:41,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:41,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753846697] [2023-12-02 12:30:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:41,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:41,805 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 12:30:41,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:41,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753846697] [2023-12-02 12:30:41,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753846697] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:41,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:41,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958559387] [2023-12-02 12:30:41,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:41,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:41,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:41,806 INFO L87 Difference]: Start difference. First operand 6675 states and 18618 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:47,707 INFO L93 Difference]: Finished difference Result 10039 states and 27567 transitions. [2023-12-02 12:30:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-12-02 12:30:47,707 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:47,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:47,721 INFO L225 Difference]: With dead ends: 10039 [2023-12-02 12:30:47,721 INFO L226 Difference]: Without dead ends: 10039 [2023-12-02 12:30:47,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6846 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2683, Invalid=17339, Unknown=0, NotChecked=0, Total=20022 [2023-12-02 12:30:47,723 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 1502 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 3269 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 3375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:47,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 4001 Invalid, 3375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3269 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 12:30:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10039 states. [2023-12-02 12:30:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10039 to 6803. [2023-12-02 12:30:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6803 states, 6801 states have (on average 2.7940008822232025) internal successors, (19002), 6802 states have internal predecessors, (19002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6803 states to 6803 states and 19002 transitions. [2023-12-02 12:30:47,835 INFO L78 Accepts]: Start accepts. Automaton has 6803 states and 19002 transitions. Word has length 131 [2023-12-02 12:30:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:47,835 INFO L495 AbstractCegarLoop]: Abstraction has 6803 states and 19002 transitions. [2023-12-02 12:30:47,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 6803 states and 19002 transitions. [2023-12-02 12:30:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:47,842 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:47,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:47,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-02 12:30:47,842 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:47,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1343865289, now seen corresponding path program 41 times [2023-12-02 12:30:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:47,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966656366] [2023-12-02 12:30:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:47,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:48,594 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 12:30:48,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:48,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966656366] [2023-12-02 12:30:48,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966656366] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:48,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:48,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:48,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806907686] [2023-12-02 12:30:48,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:48,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:48,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:48,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:48,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:48,595 INFO L87 Difference]: Start difference. First operand 6803 states and 19002 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:53,777 INFO L93 Difference]: Finished difference Result 9865 states and 27130 transitions. [2023-12-02 12:30:53,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-12-02 12:30:53,777 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:53,790 INFO L225 Difference]: With dead ends: 9865 [2023-12-02 12:30:53,790 INFO L226 Difference]: Without dead ends: 9865 [2023-12-02 12:30:53,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6344 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2576, Invalid=16056, Unknown=0, NotChecked=0, Total=18632 [2023-12-02 12:30:53,791 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1336 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 2942 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 3045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:53,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 3760 Invalid, 3045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2942 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:30:53,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9865 states. [2023-12-02 12:30:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9865 to 6715. [2023-12-02 12:30:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6713 states have (on average 2.7913004617905557) internal successors, (18738), 6714 states have internal predecessors, (18738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 18738 transitions. [2023-12-02 12:30:53,895 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 18738 transitions. Word has length 131 [2023-12-02 12:30:53,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:53,895 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 18738 transitions. [2023-12-02 12:30:53,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 18738 transitions. [2023-12-02 12:30:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:53,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:53,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:53,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-02 12:30:53,902 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:53,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1742220855, now seen corresponding path program 42 times [2023-12-02 12:30:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:53,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778665653] [2023-12-02 12:30:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:54,640 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 12:30:54,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778665653] [2023-12-02 12:30:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778665653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:54,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:54,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294294341] [2023-12-02 12:30:54,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:54,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:54,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:54,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:54,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:54,643 INFO L87 Difference]: Start difference. First operand 6715 states and 18738 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:58,963 INFO L93 Difference]: Finished difference Result 9681 states and 26534 transitions. [2023-12-02 12:30:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 12:30:58,964 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:30:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:58,975 INFO L225 Difference]: With dead ends: 9681 [2023-12-02 12:30:58,975 INFO L226 Difference]: Without dead ends: 9681 [2023-12-02 12:30:58,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3287 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1623, Invalid=9297, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 12:30:58,976 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1485 mSDsluCounter, 3250 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:58,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 3637 Invalid, 3032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:30:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9681 states. [2023-12-02 12:30:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9681 to 6675. [2023-12-02 12:30:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6675 states, 6673 states have (on average 2.7900494530196314) internal successors, (18618), 6674 states have internal predecessors, (18618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 18618 transitions. [2023-12-02 12:30:59,075 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 18618 transitions. Word has length 131 [2023-12-02 12:30:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:59,075 INFO L495 AbstractCegarLoop]: Abstraction has 6675 states and 18618 transitions. [2023-12-02 12:30:59,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:30:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 18618 transitions. [2023-12-02 12:30:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:30:59,082 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:59,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:59,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-02 12:30:59,082 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:30:59,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:59,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1751753031, now seen corresponding path program 43 times [2023-12-02 12:30:59,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:59,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516535658] [2023-12-02 12:30:59,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:59,917 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 12:30:59,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:59,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516535658] [2023-12-02 12:30:59,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516535658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:59,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:59,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:30:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109458924] [2023-12-02 12:30:59,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:59,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:30:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:30:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:30:59,918 INFO L87 Difference]: Start difference. First operand 6675 states and 18618 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:05,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:05,206 INFO L93 Difference]: Finished difference Result 7770 states and 21186 transitions. [2023-12-02 12:31:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-12-02 12:31:05,206 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:05,216 INFO L225 Difference]: With dead ends: 7770 [2023-12-02 12:31:05,216 INFO L226 Difference]: Without dead ends: 7770 [2023-12-02 12:31:05,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2170 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1683, Invalid=6873, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 12:31:05,217 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1383 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 3076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:05,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 4110 Invalid, 3076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2988 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 12:31:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7770 states. [2023-12-02 12:31:05,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7770 to 6615. [2023-12-02 12:31:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6615 states, 6613 states have (on average 2.7889006502343867) internal successors, (18443), 6614 states have internal predecessors, (18443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6615 states to 6615 states and 18443 transitions. [2023-12-02 12:31:05,313 INFO L78 Accepts]: Start accepts. Automaton has 6615 states and 18443 transitions. Word has length 131 [2023-12-02 12:31:05,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:05,313 INFO L495 AbstractCegarLoop]: Abstraction has 6615 states and 18443 transitions. [2023-12-02 12:31:05,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 6615 states and 18443 transitions. [2023-12-02 12:31:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:05,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:05,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:05,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-02 12:31:05,320 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:05,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:05,320 INFO L85 PathProgramCache]: Analyzing trace with hash -236572551, now seen corresponding path program 44 times [2023-12-02 12:31:05,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:05,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302347153] [2023-12-02 12:31:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:05,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:06,148 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 12:31:06,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:06,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302347153] [2023-12-02 12:31:06,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302347153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:06,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:06,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:06,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287912349] [2023-12-02 12:31:06,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:06,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:06,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:06,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:06,150 INFO L87 Difference]: Start difference. First operand 6615 states and 18443 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:10,793 INFO L93 Difference]: Finished difference Result 7806 states and 21277 transitions. [2023-12-02 12:31:10,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-12-02 12:31:10,794 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:10,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:10,803 INFO L225 Difference]: With dead ends: 7806 [2023-12-02 12:31:10,804 INFO L226 Difference]: Without dead ends: 7806 [2023-12-02 12:31:10,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2573 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1829, Invalid=7873, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 12:31:10,805 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1530 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 3628 SdHoareTripleChecker+Invalid, 2729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:10,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 3628 Invalid, 2729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:31:10,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2023-12-02 12:31:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 6627. [2023-12-02 12:31:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6627 states, 6625 states have (on average 2.789132075471698) internal successors, (18478), 6626 states have internal predecessors, (18478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6627 states to 6627 states and 18478 transitions. [2023-12-02 12:31:10,905 INFO L78 Accepts]: Start accepts. Automaton has 6627 states and 18478 transitions. Word has length 131 [2023-12-02 12:31:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:10,905 INFO L495 AbstractCegarLoop]: Abstraction has 6627 states and 18478 transitions. [2023-12-02 12:31:10,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 18478 transitions. [2023-12-02 12:31:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:10,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:10,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:10,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-02 12:31:10,913 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:10,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:10,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1416471231, now seen corresponding path program 45 times [2023-12-02 12:31:10,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:10,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186758503] [2023-12-02 12:31:10,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:11,955 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 12:31:11,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:11,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186758503] [2023-12-02 12:31:11,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186758503] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:11,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:11,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:11,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906769457] [2023-12-02 12:31:11,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:11,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:11,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:11,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:11,957 INFO L87 Difference]: Start difference. First operand 6627 states and 18478 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:18,211 INFO L93 Difference]: Finished difference Result 7968 states and 21739 transitions. [2023-12-02 12:31:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-12-02 12:31:18,211 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:18,221 INFO L225 Difference]: With dead ends: 7968 [2023-12-02 12:31:18,221 INFO L226 Difference]: Without dead ends: 7968 [2023-12-02 12:31:18,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4406 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2643, Invalid=12363, Unknown=0, NotChecked=0, Total=15006 [2023-12-02 12:31:18,223 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 1521 mSDsluCounter, 3790 mSDsCounter, 0 mSdLazyCounter, 3237 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:18,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 4247 Invalid, 3324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3237 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 12:31:18,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7968 states. [2023-12-02 12:31:18,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7968 to 6555. [2023-12-02 12:31:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6555 states, 6553 states have (on average 2.7877308103158858) internal successors, (18268), 6554 states have internal predecessors, (18268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6555 states to 6555 states and 18268 transitions. [2023-12-02 12:31:18,320 INFO L78 Accepts]: Start accepts. Automaton has 6555 states and 18268 transitions. Word has length 131 [2023-12-02 12:31:18,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:18,320 INFO L495 AbstractCegarLoop]: Abstraction has 6555 states and 18268 transitions. [2023-12-02 12:31:18,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6555 states and 18268 transitions. [2023-12-02 12:31:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:18,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:18,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:18,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-02 12:31:18,327 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:18,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:18,327 INFO L85 PathProgramCache]: Analyzing trace with hash 596066681, now seen corresponding path program 46 times [2023-12-02 12:31:18,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:18,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982787782] [2023-12-02 12:31:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:19,189 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 12:31:19,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:19,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982787782] [2023-12-02 12:31:19,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982787782] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:19,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:19,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:19,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896840769] [2023-12-02 12:31:19,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:19,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:19,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:19,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:19,191 INFO L87 Difference]: Start difference. First operand 6555 states and 18268 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:23,639 INFO L93 Difference]: Finished difference Result 7941 states and 21673 transitions. [2023-12-02 12:31:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-12-02 12:31:23,639 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:23,650 INFO L225 Difference]: With dead ends: 7941 [2023-12-02 12:31:23,650 INFO L226 Difference]: Without dead ends: 7941 [2023-12-02 12:31:23,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2656 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1744, Invalid=7958, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 12:31:23,651 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 1566 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 3375 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:23,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 3375 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:31:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2023-12-02 12:31:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 6579. [2023-12-02 12:31:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6579 states, 6577 states have (on average 2.788201307587046) internal successors, (18338), 6578 states have internal predecessors, (18338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6579 states to 6579 states and 18338 transitions. [2023-12-02 12:31:23,770 INFO L78 Accepts]: Start accepts. Automaton has 6579 states and 18338 transitions. Word has length 131 [2023-12-02 12:31:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:23,770 INFO L495 AbstractCegarLoop]: Abstraction has 6579 states and 18338 transitions. [2023-12-02 12:31:23,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6579 states and 18338 transitions. [2023-12-02 12:31:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:23,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:23,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:23,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-02 12:31:23,778 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:23,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:23,778 INFO L85 PathProgramCache]: Analyzing trace with hash -583831999, now seen corresponding path program 47 times [2023-12-02 12:31:23,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532157627] [2023-12-02 12:31:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:24,613 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 12:31:24,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:24,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532157627] [2023-12-02 12:31:24,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532157627] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:24,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:24,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:24,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685086979] [2023-12-02 12:31:24,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:24,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:24,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:24,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:24,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:24,615 INFO L87 Difference]: Start difference. First operand 6579 states and 18338 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:30,598 INFO L93 Difference]: Finished difference Result 8031 states and 21909 transitions. [2023-12-02 12:31:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 12:31:30,598 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:30,607 INFO L225 Difference]: With dead ends: 8031 [2023-12-02 12:31:30,607 INFO L226 Difference]: Without dead ends: 8031 [2023-12-02 12:31:30,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5005 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2775, Invalid=13737, Unknown=0, NotChecked=0, Total=16512 [2023-12-02 12:31:30,609 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1316 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 3239 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:30,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 4206 Invalid, 3337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3239 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:31:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8031 states. [2023-12-02 12:31:30,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8031 to 6567. [2023-12-02 12:31:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 6565 states have (on average 2.787966488956588) internal successors, (18303), 6566 states have internal predecessors, (18303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 18303 transitions. [2023-12-02 12:31:30,698 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 18303 transitions. Word has length 131 [2023-12-02 12:31:30,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:30,698 INFO L495 AbstractCegarLoop]: Abstraction has 6567 states and 18303 transitions. [2023-12-02 12:31:30,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 18303 transitions. [2023-12-02 12:31:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:30,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:30,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:30,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-02 12:31:30,704 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:30,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:30,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1817388985, now seen corresponding path program 48 times [2023-12-02 12:31:30,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:30,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248502521] [2023-12-02 12:31:30,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:30,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:31:31,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:31,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248502521] [2023-12-02 12:31:31,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248502521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:31,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:31,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:31,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837954361] [2023-12-02 12:31:31,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:31,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:31,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:31,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:31,489 INFO L87 Difference]: Start difference. First operand 6567 states and 18303 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:38,986 INFO L93 Difference]: Finished difference Result 8166 states and 22292 transitions. [2023-12-02 12:31:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-12-02 12:31:38,987 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:38,997 INFO L225 Difference]: With dead ends: 8166 [2023-12-02 12:31:38,997 INFO L226 Difference]: Without dead ends: 8166 [2023-12-02 12:31:38,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7548 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3635, Invalid=19621, Unknown=0, NotChecked=0, Total=23256 [2023-12-02 12:31:38,999 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1316 mSDsluCounter, 4364 mSDsCounter, 0 mSdLazyCounter, 3859 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 3954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 3859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:38,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 4861 Invalid, 3954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 3859 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 12:31:39,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8166 states. [2023-12-02 12:31:39,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8166 to 6495. [2023-12-02 12:31:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6495 states, 6493 states have (on average 2.7865393500693054) internal successors, (18093), 6494 states have internal predecessors, (18093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 18093 transitions. [2023-12-02 12:31:39,094 INFO L78 Accepts]: Start accepts. Automaton has 6495 states and 18093 transitions. Word has length 131 [2023-12-02 12:31:39,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:39,094 INFO L495 AbstractCegarLoop]: Abstraction has 6495 states and 18093 transitions. [2023-12-02 12:31:39,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6495 states and 18093 transitions. [2023-12-02 12:31:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:39,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:39,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:39,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-02 12:31:39,100 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:39,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2009186377, now seen corresponding path program 49 times [2023-12-02 12:31:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:39,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956831395] [2023-12-02 12:31:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:39,942 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 12:31:39,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:39,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956831395] [2023-12-02 12:31:39,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956831395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:39,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:39,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:39,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364108983] [2023-12-02 12:31:39,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:39,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:39,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:39,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:39,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:39,944 INFO L87 Difference]: Start difference. First operand 6495 states and 18093 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:43,822 INFO L93 Difference]: Finished difference Result 7965 states and 21744 transitions. [2023-12-02 12:31:43,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-12-02 12:31:43,822 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:43,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:43,832 INFO L225 Difference]: With dead ends: 7965 [2023-12-02 12:31:43,832 INFO L226 Difference]: Without dead ends: 7965 [2023-12-02 12:31:43,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2739 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1661, Invalid=8041, Unknown=0, NotChecked=0, Total=9702 [2023-12-02 12:31:43,834 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1294 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:43,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 2666 Invalid, 2425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:31:43,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7965 states. [2023-12-02 12:31:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7965 to 6531. [2023-12-02 12:31:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 6529 states have (on average 2.78725685403584) internal successors, (18198), 6530 states have internal predecessors, (18198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 18198 transitions. [2023-12-02 12:31:43,926 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 18198 transitions. Word has length 131 [2023-12-02 12:31:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:43,927 INFO L495 AbstractCegarLoop]: Abstraction has 6531 states and 18198 transitions. [2023-12-02 12:31:43,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 18198 transitions. [2023-12-02 12:31:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:43,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:43,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-02 12:31:43,933 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:43,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1105882239, now seen corresponding path program 50 times [2023-12-02 12:31:43,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:43,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582754792] [2023-12-02 12:31:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:44,718 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 12:31:44,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582754792] [2023-12-02 12:31:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582754792] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:44,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:44,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:44,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007606086] [2023-12-02 12:31:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:44,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:44,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:44,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:44,720 INFO L87 Difference]: Start difference. First operand 6531 states and 18198 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:49,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:49,916 INFO L93 Difference]: Finished difference Result 8277 states and 22630 transitions. [2023-12-02 12:31:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-02 12:31:49,917 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:49,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:49,926 INFO L225 Difference]: With dead ends: 8277 [2023-12-02 12:31:49,926 INFO L226 Difference]: Without dead ends: 8277 [2023-12-02 12:31:49,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5327 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2607, Invalid=13905, Unknown=0, NotChecked=0, Total=16512 [2023-12-02 12:31:49,927 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1574 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:49,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 3085 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2781 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:31:49,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2023-12-02 12:31:50,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 6519. [2023-12-02 12:31:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6519 states, 6517 states have (on average 2.7870185668252265) internal successors, (18163), 6518 states have internal predecessors, (18163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 18163 transitions. [2023-12-02 12:31:50,023 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 18163 transitions. Word has length 131 [2023-12-02 12:31:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:50,023 INFO L495 AbstractCegarLoop]: Abstraction has 6519 states and 18163 transitions. [2023-12-02 12:31:50,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 18163 transitions. [2023-12-02 12:31:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:50,031 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:50,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:50,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-02 12:31:50,032 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:50,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:50,032 INFO L85 PathProgramCache]: Analyzing trace with hash -787864073, now seen corresponding path program 51 times [2023-12-02 12:31:50,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:50,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507886736] [2023-12-02 12:31:50,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:50,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:31:50,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:50,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507886736] [2023-12-02 12:31:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507886736] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:50,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:50,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:50,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855441018] [2023-12-02 12:31:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:50,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:50,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:50,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:50,855 INFO L87 Difference]: Start difference. First operand 6519 states and 18163 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:58,223 INFO L93 Difference]: Finished difference Result 8256 states and 22541 transitions. [2023-12-02 12:31:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-12-02 12:31:58,223 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:31:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:58,234 INFO L225 Difference]: With dead ends: 8256 [2023-12-02 12:31:58,234 INFO L226 Difference]: Without dead ends: 8256 [2023-12-02 12:31:58,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8343 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3753, Invalid=21369, Unknown=0, NotChecked=0, Total=25122 [2023-12-02 12:31:58,236 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 1336 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:58,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 4470 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 12:31:58,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8256 states. [2023-12-02 12:31:58,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8256 to 6507. [2023-12-02 12:31:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6507 states, 6505 states have (on average 2.786779400461184) internal successors, (18128), 6506 states have internal predecessors, (18128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6507 states to 6507 states and 18128 transitions. [2023-12-02 12:31:58,331 INFO L78 Accepts]: Start accepts. Automaton has 6507 states and 18128 transitions. Word has length 131 [2023-12-02 12:31:58,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:58,331 INFO L495 AbstractCegarLoop]: Abstraction has 6507 states and 18128 transitions. [2023-12-02 12:31:58,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:31:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6507 states and 18128 transitions. [2023-12-02 12:31:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:31:58,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:58,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:58,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-02 12:31:58,338 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:31:58,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:58,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1746715391, now seen corresponding path program 52 times [2023-12-02 12:31:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:31:58,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663119344] [2023-12-02 12:31:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:58,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:31:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:59,087 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 12:31:59,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:31:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663119344] [2023-12-02 12:31:59,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663119344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:59,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:31:59,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:31:59,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636999014] [2023-12-02 12:31:59,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:59,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:31:59,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:31:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:31:59,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:31:59,089 INFO L87 Difference]: Start difference. First operand 6507 states and 18128 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:07,521 INFO L93 Difference]: Finished difference Result 8364 states and 22845 transitions. [2023-12-02 12:32:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2023-12-02 12:32:07,522 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:07,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:07,532 INFO L225 Difference]: With dead ends: 8364 [2023-12-02 12:32:07,532 INFO L226 Difference]: Without dead ends: 8364 [2023-12-02 12:32:07,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11591 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4660, Invalid=28646, Unknown=0, NotChecked=0, Total=33306 [2023-12-02 12:32:07,535 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 1335 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 4389 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 5235 SdHoareTripleChecker+Invalid, 4495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:07,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 5235 Invalid, 4495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 4389 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 12:32:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2023-12-02 12:32:07,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 6435. [2023-12-02 12:32:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6435 states, 6433 states have (on average 2.785325664542204) internal successors, (17918), 6434 states have internal predecessors, (17918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6435 states to 6435 states and 17918 transitions. [2023-12-02 12:32:07,627 INFO L78 Accepts]: Start accepts. Automaton has 6435 states and 17918 transitions. Word has length 131 [2023-12-02 12:32:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:07,627 INFO L495 AbstractCegarLoop]: Abstraction has 6435 states and 17918 transitions. [2023-12-02 12:32:07,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 6435 states and 17918 transitions. [2023-12-02 12:32:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:07,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:07,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:07,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-02 12:32:07,633 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:07,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:07,633 INFO L85 PathProgramCache]: Analyzing trace with hash -132085121, now seen corresponding path program 53 times [2023-12-02 12:32:07,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:07,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53912923] [2023-12-02 12:32:07,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:07,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:08,455 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 12:32:08,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:08,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53912923] [2023-12-02 12:32:08,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53912923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:08,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:08,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:08,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662160578] [2023-12-02 12:32:08,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:08,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:08,457 INFO L87 Difference]: Start difference. First operand 6435 states and 17918 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:12,131 INFO L93 Difference]: Finished difference Result 7487 states and 20384 transitions. [2023-12-02 12:32:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-12-02 12:32:12,131 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:12,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:12,140 INFO L225 Difference]: With dead ends: 7487 [2023-12-02 12:32:12,140 INFO L226 Difference]: Without dead ends: 7487 [2023-12-02 12:32:12,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2115 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1238, Invalid=6244, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 12:32:12,141 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 1503 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:12,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 2917 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 12:32:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2023-12-02 12:32:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 6526. [2023-12-02 12:32:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6526 states, 6524 states have (on average 2.787860208461067) internal successors, (18188), 6525 states have internal predecessors, (18188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 18188 transitions. [2023-12-02 12:32:12,231 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 18188 transitions. Word has length 131 [2023-12-02 12:32:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:12,231 INFO L495 AbstractCegarLoop]: Abstraction has 6526 states and 18188 transitions. [2023-12-02 12:32:12,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 18188 transitions. [2023-12-02 12:32:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:12,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:12,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:12,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-02 12:32:12,239 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:12,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:12,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1311983801, now seen corresponding path program 54 times [2023-12-02 12:32:12,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:12,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470670799] [2023-12-02 12:32:12,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:12,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:13,048 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 12:32:13,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:13,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470670799] [2023-12-02 12:32:13,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470670799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:13,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:13,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:13,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334850970] [2023-12-02 12:32:13,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:13,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:13,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:13,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:13,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:13,050 INFO L87 Difference]: Start difference. First operand 6526 states and 18188 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:17,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:17,211 INFO L93 Difference]: Finished difference Result 7662 states and 20870 transitions. [2023-12-02 12:32:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-12-02 12:32:17,211 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:17,221 INFO L225 Difference]: With dead ends: 7662 [2023-12-02 12:32:17,221 INFO L226 Difference]: Without dead ends: 7662 [2023-12-02 12:32:17,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2788 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1487, Invalid=7825, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 12:32:17,222 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1325 mSDsluCounter, 2890 mSDsCounter, 0 mSdLazyCounter, 2661 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 3194 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:17,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 3194 Invalid, 2744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2661 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:32:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7662 states. [2023-12-02 12:32:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7662 to 6517. [2023-12-02 12:32:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6517 states, 6515 states have (on average 2.787720644666155) internal successors, (18162), 6516 states have internal predecessors, (18162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6517 states to 6517 states and 18162 transitions. [2023-12-02 12:32:17,312 INFO L78 Accepts]: Start accepts. Automaton has 6517 states and 18162 transitions. Word has length 131 [2023-12-02 12:32:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:17,312 INFO L495 AbstractCegarLoop]: Abstraction has 6517 states and 18162 transitions. [2023-12-02 12:32:17,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6517 states and 18162 transitions. [2023-12-02 12:32:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:17,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:17,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:17,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-02 12:32:17,319 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:17,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1089237183, now seen corresponding path program 55 times [2023-12-02 12:32:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626221233] [2023-12-02 12:32:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:18,089 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 12:32:18,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626221233] [2023-12-02 12:32:18,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626221233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:18,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:18,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:18,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247063460] [2023-12-02 12:32:18,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:18,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:18,091 INFO L87 Difference]: Start difference. First operand 6517 states and 18162 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:22,144 INFO L93 Difference]: Finished difference Result 7837 states and 21356 transitions. [2023-12-02 12:32:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-12-02 12:32:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:22,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:22,155 INFO L225 Difference]: With dead ends: 7837 [2023-12-02 12:32:22,155 INFO L226 Difference]: Without dead ends: 7837 [2023-12-02 12:32:22,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3544 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1780, Invalid=9562, Unknown=0, NotChecked=0, Total=11342 [2023-12-02 12:32:22,157 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 1377 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:22,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 2658 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:32:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7837 states. [2023-12-02 12:32:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7837 to 6508. [2023-12-02 12:32:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6508 states, 6506 states have (on average 2.7875806947433137) internal successors, (18136), 6507 states have internal predecessors, (18136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6508 states to 6508 states and 18136 transitions. [2023-12-02 12:32:22,273 INFO L78 Accepts]: Start accepts. Automaton has 6508 states and 18136 transitions. Word has length 131 [2023-12-02 12:32:22,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:22,274 INFO L495 AbstractCegarLoop]: Abstraction has 6508 states and 18136 transitions. [2023-12-02 12:32:22,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 6508 states and 18136 transitions. [2023-12-02 12:32:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:22,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:22,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:22,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-02 12:32:22,283 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:22,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:22,284 INFO L85 PathProgramCache]: Analyzing trace with hash 130385865, now seen corresponding path program 56 times [2023-12-02 12:32:22,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:22,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401588386] [2023-12-02 12:32:22,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:23,020 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 12:32:23,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:23,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401588386] [2023-12-02 12:32:23,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401588386] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:23,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:23,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:23,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729530302] [2023-12-02 12:32:23,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:23,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:23,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:23,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:23,022 INFO L87 Difference]: Start difference. First operand 6508 states and 18136 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:31,340 INFO L93 Difference]: Finished difference Result 8472 states and 23138 transitions. [2023-12-02 12:32:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2023-12-02 12:32:31,341 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:31,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:31,351 INFO L225 Difference]: With dead ends: 8472 [2023-12-02 12:32:31,351 INFO L226 Difference]: Without dead ends: 8472 [2023-12-02 12:32:31,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12601 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=4632, Invalid=30900, Unknown=0, NotChecked=0, Total=35532 [2023-12-02 12:32:31,352 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 1392 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 4272 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 4970 SdHoareTripleChecker+Invalid, 4362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 4272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:31,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 4970 Invalid, 4362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 4272 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 12:32:31,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2023-12-02 12:32:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 6499. [2023-12-02 12:32:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6499 states, 6497 states have (on average 2.7874403570878865) internal successors, (18110), 6498 states have internal predecessors, (18110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 18110 transitions. [2023-12-02 12:32:31,449 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 18110 transitions. Word has length 131 [2023-12-02 12:32:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:31,449 INFO L495 AbstractCegarLoop]: Abstraction has 6499 states and 18110 transitions. [2023-12-02 12:32:31,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 18110 transitions. [2023-12-02 12:32:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:31,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:31,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:31,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-02 12:32:31,456 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:31,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2079465005, now seen corresponding path program 57 times [2023-12-02 12:32:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:31,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581099740] [2023-12-02 12:32:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:32,169 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 12:32:32,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581099740] [2023-12-02 12:32:32,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581099740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:32,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:32,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:32,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599068887] [2023-12-02 12:32:32,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:32,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:32,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:32,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:32,170 INFO L87 Difference]: Start difference. First operand 6499 states and 18110 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:37,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:37,533 INFO L93 Difference]: Finished difference Result 8896 states and 24379 transitions. [2023-12-02 12:32:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-12-02 12:32:37,533 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:37,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:37,545 INFO L225 Difference]: With dead ends: 8896 [2023-12-02 12:32:37,545 INFO L226 Difference]: Without dead ends: 8896 [2023-12-02 12:32:37,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5803 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2692, Invalid=14864, Unknown=0, NotChecked=0, Total=17556 [2023-12-02 12:32:37,546 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 1849 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4259 SdHoareTripleChecker+Invalid, 3152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:37,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 4259 Invalid, 3152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 12:32:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8896 states. [2023-12-02 12:32:37,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8896 to 6435. [2023-12-02 12:32:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6435 states, 6433 states have (on average 2.785325664542204) internal successors, (17918), 6434 states have internal predecessors, (17918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6435 states to 6435 states and 17918 transitions. [2023-12-02 12:32:37,644 INFO L78 Accepts]: Start accepts. Automaton has 6435 states and 17918 transitions. Word has length 131 [2023-12-02 12:32:37,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:37,644 INFO L495 AbstractCegarLoop]: Abstraction has 6435 states and 17918 transitions. [2023-12-02 12:32:37,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6435 states and 17918 transitions. [2023-12-02 12:32:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:37,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:37,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:37,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-02 12:32:37,650 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:37,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:37,650 INFO L85 PathProgramCache]: Analyzing trace with hash 732966941, now seen corresponding path program 58 times [2023-12-02 12:32:37,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:37,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135583105] [2023-12-02 12:32:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:37,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:38,465 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 12:32:38,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135583105] [2023-12-02 12:32:38,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135583105] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:38,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:38,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:38,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421101860] [2023-12-02 12:32:38,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:38,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:38,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:38,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:38,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:38,467 INFO L87 Difference]: Start difference. First operand 6435 states and 17918 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:42,100 INFO L93 Difference]: Finished difference Result 7755 states and 21104 transitions. [2023-12-02 12:32:42,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 12:32:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:42,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:42,110 INFO L225 Difference]: With dead ends: 7755 [2023-12-02 12:32:42,110 INFO L226 Difference]: Without dead ends: 7755 [2023-12-02 12:32:42,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2171 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1309, Invalid=6347, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 12:32:42,111 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1202 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:42,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 2636 Invalid, 2425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 12:32:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7755 states. [2023-12-02 12:32:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7755 to 6576. [2023-12-02 12:32:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6576 states, 6574 states have (on average 2.789473684210526) internal successors, (18338), 6575 states have internal predecessors, (18338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6576 states to 6576 states and 18338 transitions. [2023-12-02 12:32:42,201 INFO L78 Accepts]: Start accepts. Automaton has 6576 states and 18338 transitions. Word has length 131 [2023-12-02 12:32:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:42,202 INFO L495 AbstractCegarLoop]: Abstraction has 6576 states and 18338 transitions. [2023-12-02 12:32:42,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6576 states and 18338 transitions. [2023-12-02 12:32:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:42,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:42,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:42,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-02 12:32:42,208 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:42,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash -446931739, now seen corresponding path program 59 times [2023-12-02 12:32:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995770006] [2023-12-02 12:32:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:42,993 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 12:32:42,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:42,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995770006] [2023-12-02 12:32:42,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995770006] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:42,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:42,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:42,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416017363] [2023-12-02 12:32:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:42,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:42,994 INFO L87 Difference]: Start difference. First operand 6576 states and 18338 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:47,693 INFO L93 Difference]: Finished difference Result 7948 states and 21644 transitions. [2023-12-02 12:32:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 12:32:47,693 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:47,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:47,703 INFO L225 Difference]: With dead ends: 7948 [2023-12-02 12:32:47,703 INFO L226 Difference]: Without dead ends: 7948 [2023-12-02 12:32:47,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3471 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1782, Invalid=9138, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 12:32:47,704 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1228 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 2730 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 2821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:47,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 3039 Invalid, 2821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2730 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:32:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7948 states. [2023-12-02 12:32:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7948 to 6577. [2023-12-02 12:32:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6575 states have (on average 2.789657794676806) internal successors, (18342), 6576 states have internal predecessors, (18342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 18342 transitions. [2023-12-02 12:32:47,797 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 18342 transitions. Word has length 131 [2023-12-02 12:32:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:47,797 INFO L495 AbstractCegarLoop]: Abstraction has 6577 states and 18342 transitions. [2023-12-02 12:32:47,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 18342 transitions. [2023-12-02 12:32:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:47,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:47,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:47,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-02 12:32:47,804 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:47,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1954289245, now seen corresponding path program 60 times [2023-12-02 12:32:47,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:47,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957009925] [2023-12-02 12:32:47,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:48,604 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 12:32:48,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:48,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957009925] [2023-12-02 12:32:48,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957009925] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:48,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:48,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:48,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51848743] [2023-12-02 12:32:48,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:48,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:48,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:48,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:48,605 INFO L87 Difference]: Start difference. First operand 6577 states and 18342 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:53,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:32:53,317 INFO L93 Difference]: Finished difference Result 8141 states and 22184 transitions. [2023-12-02 12:32:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-12-02 12:32:53,318 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:32:53,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:32:53,329 INFO L225 Difference]: With dead ends: 8141 [2023-12-02 12:32:53,329 INFO L226 Difference]: Without dead ends: 8141 [2023-12-02 12:32:53,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5055 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2345, Invalid=12417, Unknown=0, NotChecked=0, Total=14762 [2023-12-02 12:32:53,330 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1268 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 2799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:32:53,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 2850 Invalid, 2799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:32:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2023-12-02 12:32:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 6578. [2023-12-02 12:32:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6578 states, 6576 states have (on average 2.7898418491484187) internal successors, (18346), 6577 states have internal predecessors, (18346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6578 states to 6578 states and 18346 transitions. [2023-12-02 12:32:53,430 INFO L78 Accepts]: Start accepts. Automaton has 6578 states and 18346 transitions. Word has length 131 [2023-12-02 12:32:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:32:53,431 INFO L495 AbstractCegarLoop]: Abstraction has 6578 states and 18346 transitions. [2023-12-02 12:32:53,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:32:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 6578 states and 18346 transitions. [2023-12-02 12:32:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:32:53,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:32:53,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:53,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-02 12:32:53,437 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:32:53,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:32:53,437 INFO L85 PathProgramCache]: Analyzing trace with hash 995437927, now seen corresponding path program 61 times [2023-12-02 12:32:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:32:53,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360339816] [2023-12-02 12:32:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:32:53,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:32:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:32:54,168 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 12:32:54,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:32:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360339816] [2023-12-02 12:32:54,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360339816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:32:54,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:32:54,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:32:54,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990389908] [2023-12-02 12:32:54,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:54,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:32:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:32:54,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:32:54,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:32:54,170 INFO L87 Difference]: Start difference. First operand 6578 states and 18346 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:01,182 INFO L93 Difference]: Finished difference Result 9078 states and 24808 transitions. [2023-12-02 12:33:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2023-12-02 12:33:01,182 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:01,192 INFO L225 Difference]: With dead ends: 9078 [2023-12-02 12:33:01,192 INFO L226 Difference]: Without dead ends: 9078 [2023-12-02 12:33:01,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8130 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=3578, Invalid=20914, Unknown=0, NotChecked=0, Total=24492 [2023-12-02 12:33:01,193 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 1267 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 3855 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:01,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 4442 Invalid, 3936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3855 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 12:33:01,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9078 states. [2023-12-02 12:33:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9078 to 6579. [2023-12-02 12:33:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6579 states, 6577 states have (on average 2.7900258476509046) internal successors, (18350), 6578 states have internal predecessors, (18350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6579 states to 6579 states and 18350 transitions. [2023-12-02 12:33:01,288 INFO L78 Accepts]: Start accepts. Automaton has 6579 states and 18350 transitions. Word has length 131 [2023-12-02 12:33:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:01,288 INFO L495 AbstractCegarLoop]: Abstraction has 6579 states and 18350 transitions. [2023-12-02 12:33:01,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6579 states and 18350 transitions. [2023-12-02 12:33:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:01,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:01,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:01,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-02 12:33:01,295 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:01,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:01,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1966121561, now seen corresponding path program 62 times [2023-12-02 12:33:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672375771] [2023-12-02 12:33:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:33:02,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:02,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672375771] [2023-12-02 12:33:02,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672375771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:02,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:02,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:02,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146084343] [2023-12-02 12:33:02,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:02,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:02,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:02,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:02,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:02,132 INFO L87 Difference]: Start difference. First operand 6579 states and 18350 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:04,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:04,567 INFO L93 Difference]: Finished difference Result 7753 states and 21078 transitions. [2023-12-02 12:33:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 12:33:04,567 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:04,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:04,577 INFO L225 Difference]: With dead ends: 7753 [2023-12-02 12:33:04,577 INFO L226 Difference]: Without dead ends: 7753 [2023-12-02 12:33:04,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=848, Invalid=3844, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 12:33:04,578 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1188 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:04,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 1975 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:33:04,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7753 states. [2023-12-02 12:33:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7753 to 6591. [2023-12-02 12:33:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6591 states, 6589 states have (on average 2.79040825618455) internal successors, (18386), 6590 states have internal predecessors, (18386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 18386 transitions. [2023-12-02 12:33:04,674 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 18386 transitions. Word has length 131 [2023-12-02 12:33:04,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:04,675 INFO L495 AbstractCegarLoop]: Abstraction has 6591 states and 18386 transitions. [2023-12-02 12:33:04,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 18386 transitions. [2023-12-02 12:33:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:04,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:04,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:04,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-02 12:33:04,681 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:04,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:04,682 INFO L85 PathProgramCache]: Analyzing trace with hash 112015183, now seen corresponding path program 63 times [2023-12-02 12:33:04,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:04,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349504560] [2023-12-02 12:33:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:04,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:05,495 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 12:33:05,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:05,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349504560] [2023-12-02 12:33:05,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349504560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:05,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:05,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:05,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857858242] [2023-12-02 12:33:05,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:05,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:05,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:05,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:05,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:05,496 INFO L87 Difference]: Start difference. First operand 6591 states and 18386 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:08,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:08,362 INFO L93 Difference]: Finished difference Result 7928 states and 21564 transitions. [2023-12-02 12:33:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 12:33:08,362 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:08,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:08,373 INFO L225 Difference]: With dead ends: 7928 [2023-12-02 12:33:08,373 INFO L226 Difference]: Without dead ends: 7928 [2023-12-02 12:33:08,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1680 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1073, Invalid=5089, Unknown=0, NotChecked=0, Total=6162 [2023-12-02 12:33:08,374 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1230 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:08,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 2247 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:33:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2023-12-02 12:33:08,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 6587. [2023-12-02 12:33:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 6585 states have (on average 2.790280941533789) internal successors, (18374), 6586 states have internal predecessors, (18374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:08,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 18374 transitions. [2023-12-02 12:33:08,506 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 18374 transitions. Word has length 131 [2023-12-02 12:33:08,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:08,507 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 18374 transitions. [2023-12-02 12:33:08,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 18374 transitions. [2023-12-02 12:33:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:08,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:08,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:08,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-02 12:33:08,513 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:08,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1539803815, now seen corresponding path program 64 times [2023-12-02 12:33:08,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412171396] [2023-12-02 12:33:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:33:09,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:09,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412171396] [2023-12-02 12:33:09,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412171396] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:09,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:09,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:33:09,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25617518] [2023-12-02 12:33:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:09,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:33:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:33:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:33:09,341 INFO L87 Difference]: Start difference. First operand 6587 states and 18374 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:13,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:13,364 INFO L93 Difference]: Finished difference Result 8103 states and 22050 transitions. [2023-12-02 12:33:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-12-02 12:33:13,365 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:13,375 INFO L225 Difference]: With dead ends: 8103 [2023-12-02 12:33:13,375 INFO L226 Difference]: Without dead ends: 8103 [2023-12-02 12:33:13,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2289 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1413, Invalid=6597, Unknown=0, NotChecked=0, Total=8010 [2023-12-02 12:33:13,376 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 1251 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:13,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 2886 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:33:13,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8103 states. [2023-12-02 12:33:13,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8103 to 6583. [2023-12-02 12:33:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6583 states, 6581 states have (on average 2.7901534721166996) internal successors, (18362), 6582 states have internal predecessors, (18362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 18362 transitions. [2023-12-02 12:33:13,479 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 18362 transitions. Word has length 131 [2023-12-02 12:33:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:13,479 INFO L495 AbstractCegarLoop]: Abstraction has 6583 states and 18362 transitions. [2023-12-02 12:33:13,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 18362 transitions. [2023-12-02 12:33:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:13,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:13,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:13,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-02 12:33:13,486 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:13,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2117022479, now seen corresponding path program 65 times [2023-12-02 12:33:13,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349123035] [2023-12-02 12:33:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:14,250 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 12:33:14,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:14,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349123035] [2023-12-02 12:33:14,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349123035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:14,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:14,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610628304] [2023-12-02 12:33:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:14,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:14,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:14,251 INFO L87 Difference]: Start difference. First operand 6583 states and 18362 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:19,625 INFO L93 Difference]: Finished difference Result 9230 states and 25188 transitions. [2023-12-02 12:33:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-12-02 12:33:19,626 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:19,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:19,636 INFO L225 Difference]: With dead ends: 9230 [2023-12-02 12:33:19,636 INFO L226 Difference]: Without dead ends: 9230 [2023-12-02 12:33:19,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4114 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2222, Invalid=11350, Unknown=0, NotChecked=0, Total=13572 [2023-12-02 12:33:19,637 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 1277 mSDsluCounter, 3656 mSDsCounter, 0 mSdLazyCounter, 3220 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:19,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 4090 Invalid, 3356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3220 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:33:19,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9230 states. [2023-12-02 12:33:19,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9230 to 6563. [2023-12-02 12:33:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6563 states, 6561 states have (on average 2.7895137936290197) internal successors, (18302), 6562 states have internal predecessors, (18302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6563 states to 6563 states and 18302 transitions. [2023-12-02 12:33:19,733 INFO L78 Accepts]: Start accepts. Automaton has 6563 states and 18302 transitions. Word has length 131 [2023-12-02 12:33:19,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:19,733 INFO L495 AbstractCegarLoop]: Abstraction has 6563 states and 18302 transitions. [2023-12-02 12:33:19,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 6563 states and 18302 transitions. [2023-12-02 12:33:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:19,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:19,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:19,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-02 12:33:19,740 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:19,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:19,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1350450229, now seen corresponding path program 66 times [2023-12-02 12:33:19,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:19,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134374157] [2023-12-02 12:33:19,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:20,476 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 12:33:20,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:20,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134374157] [2023-12-02 12:33:20,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134374157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:20,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:20,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:20,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086328858] [2023-12-02 12:33:20,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:20,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:20,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:20,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:20,478 INFO L87 Difference]: Start difference. First operand 6563 states and 18302 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:26,539 INFO L93 Difference]: Finished difference Result 10310 states and 28160 transitions. [2023-12-02 12:33:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-12-02 12:33:26,540 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:26,554 INFO L225 Difference]: With dead ends: 10310 [2023-12-02 12:33:26,554 INFO L226 Difference]: Without dead ends: 10310 [2023-12-02 12:33:26,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6683 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2743, Invalid=16997, Unknown=0, NotChecked=0, Total=19740 [2023-12-02 12:33:26,556 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 1503 mSDsluCounter, 4382 mSDsCounter, 0 mSdLazyCounter, 3691 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4849 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 3691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:26,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 4849 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 3691 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 12:33:26,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10310 states. [2023-12-02 12:33:26,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10310 to 6499. [2023-12-02 12:33:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6499 states, 6497 states have (on average 2.7874403570878865) internal successors, (18110), 6498 states have internal predecessors, (18110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 18110 transitions. [2023-12-02 12:33:26,675 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 18110 transitions. Word has length 131 [2023-12-02 12:33:26,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:26,675 INFO L495 AbstractCegarLoop]: Abstraction has 6499 states and 18110 transitions. [2023-12-02 12:33:26,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 18110 transitions. [2023-12-02 12:33:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:26,682 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:26,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:26,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-02 12:33:26,683 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:26,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash -898085401, now seen corresponding path program 67 times [2023-12-02 12:33:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048863131] [2023-12-02 12:33:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:27,654 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 12:33:27,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048863131] [2023-12-02 12:33:27,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048863131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:27,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:27,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:27,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856589157] [2023-12-02 12:33:27,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:27,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:27,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:27,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:27,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:27,655 INFO L87 Difference]: Start difference. First operand 6499 states and 18110 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:30,140 INFO L93 Difference]: Finished difference Result 7484 states and 20289 transitions. [2023-12-02 12:33:30,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 12:33:30,140 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:30,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:30,150 INFO L225 Difference]: With dead ends: 7484 [2023-12-02 12:33:30,150 INFO L226 Difference]: Without dead ends: 7484 [2023-12-02 12:33:30,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=865, Invalid=3557, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 12:33:30,151 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1139 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:30,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 2022 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:33:30,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7484 states. [2023-12-02 12:33:30,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7484 to 6505. [2023-12-02 12:33:30,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6505 states, 6503 states have (on average 2.787636475472859) internal successors, (18128), 6504 states have internal predecessors, (18128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6505 states to 6505 states and 18128 transitions. [2023-12-02 12:33:30,241 INFO L78 Accepts]: Start accepts. Automaton has 6505 states and 18128 transitions. Word has length 131 [2023-12-02 12:33:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:30,242 INFO L495 AbstractCegarLoop]: Abstraction has 6505 states and 18128 transitions. [2023-12-02 12:33:30,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6505 states and 18128 transitions. [2023-12-02 12:33:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:30,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:30,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:30,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-02 12:33:30,248 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:30,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1604723225, now seen corresponding path program 68 times [2023-12-02 12:33:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85293194] [2023-12-02 12:33:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:31,109 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 12:33:31,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:31,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85293194] [2023-12-02 12:33:31,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85293194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:31,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:31,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477053377] [2023-12-02 12:33:31,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:31,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:31,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:31,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:31,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:31,110 INFO L87 Difference]: Start difference. First operand 6505 states and 18128 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:33,688 INFO L93 Difference]: Finished difference Result 7472 states and 20281 transitions. [2023-12-02 12:33:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 12:33:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:33,697 INFO L225 Difference]: With dead ends: 7472 [2023-12-02 12:33:33,698 INFO L226 Difference]: Without dead ends: 7472 [2023-12-02 12:33:33,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 956 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=821, Invalid=3339, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 12:33:33,698 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1121 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:33,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 2211 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:33:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2023-12-02 12:33:33,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 6497. [2023-12-02 12:33:33,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6497 states, 6495 states have (on average 2.7873749037721325) internal successors, (18104), 6496 states have internal predecessors, (18104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6497 states to 6497 states and 18104 transitions. [2023-12-02 12:33:33,792 INFO L78 Accepts]: Start accepts. Automaton has 6497 states and 18104 transitions. Word has length 131 [2023-12-02 12:33:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:33,792 INFO L495 AbstractCegarLoop]: Abstraction has 6497 states and 18104 transitions. [2023-12-02 12:33:33,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6497 states and 18104 transitions. [2023-12-02 12:33:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:33,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:33,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:33,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-02 12:33:33,799 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:33,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:33,799 INFO L85 PathProgramCache]: Analyzing trace with hash -560203567, now seen corresponding path program 69 times [2023-12-02 12:33:33,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:33,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119757255] [2023-12-02 12:33:33,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:33,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:34,652 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 12:33:34,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:34,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119757255] [2023-12-02 12:33:34,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119757255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:34,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:34,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:34,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197397942] [2023-12-02 12:33:34,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:34,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:34,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:34,653 INFO L87 Difference]: Start difference. First operand 6497 states and 18104 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:38,521 INFO L93 Difference]: Finished difference Result 7727 states and 20975 transitions. [2023-12-02 12:33:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 12:33:38,522 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:38,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:38,531 INFO L225 Difference]: With dead ends: 7727 [2023-12-02 12:33:38,531 INFO L226 Difference]: Without dead ends: 7727 [2023-12-02 12:33:38,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1340, Invalid=5970, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 12:33:38,532 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 1342 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:38,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 2874 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:33:38,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7727 states. [2023-12-02 12:33:38,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7727 to 6509. [2023-12-02 12:33:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6509 states, 6507 states have (on average 2.7877670201321654) internal successors, (18140), 6508 states have internal predecessors, (18140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6509 states to 6509 states and 18140 transitions. [2023-12-02 12:33:38,629 INFO L78 Accepts]: Start accepts. Automaton has 6509 states and 18140 transitions. Word has length 131 [2023-12-02 12:33:38,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:38,629 INFO L495 AbstractCegarLoop]: Abstraction has 6509 states and 18140 transitions. [2023-12-02 12:33:38,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6509 states and 18140 transitions. [2023-12-02 12:33:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:38,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:38,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:38,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-02 12:33:38,637 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:38,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:38,637 INFO L85 PathProgramCache]: Analyzing trace with hash -976839951, now seen corresponding path program 70 times [2023-12-02 12:33:38,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:38,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501194171] [2023-12-02 12:33:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:38,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:39,459 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 12:33:39,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501194171] [2023-12-02 12:33:39,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501194171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:39,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:39,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:39,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723945489] [2023-12-02 12:33:39,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:39,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:39,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:39,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:39,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:39,461 INFO L87 Difference]: Start difference. First operand 6509 states and 18140 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:42,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:42,308 INFO L93 Difference]: Finished difference Result 7718 states and 20977 transitions. [2023-12-02 12:33:42,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 12:33:42,309 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:42,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:42,318 INFO L225 Difference]: With dead ends: 7718 [2023-12-02 12:33:42,319 INFO L226 Difference]: Without dead ends: 7718 [2023-12-02 12:33:42,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1811 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1238, Invalid=5404, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 12:33:42,319 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 1162 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:42,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1745 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:33:42,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2023-12-02 12:33:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 6495. [2023-12-02 12:33:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6495 states, 6493 states have (on average 2.7873094101339904) internal successors, (18098), 6494 states have internal predecessors, (18098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 18098 transitions. [2023-12-02 12:33:42,414 INFO L78 Accepts]: Start accepts. Automaton has 6495 states and 18098 transitions. Word has length 131 [2023-12-02 12:33:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:42,414 INFO L495 AbstractCegarLoop]: Abstraction has 6495 states and 18098 transitions. [2023-12-02 12:33:42,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 6495 states and 18098 transitions. [2023-12-02 12:33:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:42,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:42,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:42,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-02 12:33:42,421 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:42,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:42,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1088060743, now seen corresponding path program 71 times [2023-12-02 12:33:42,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:42,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725380009] [2023-12-02 12:33:42,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:42,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:33:43,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:43,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725380009] [2023-12-02 12:33:43,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725380009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:43,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:43,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:33:43,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534011378] [2023-12-02 12:33:43,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:43,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:33:43,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:43,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:33:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:33:43,198 INFO L87 Difference]: Start difference. First operand 6495 states and 18098 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:47,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:47,430 INFO L93 Difference]: Finished difference Result 7970 states and 21661 transitions. [2023-12-02 12:33:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 12:33:47,430 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:47,440 INFO L225 Difference]: With dead ends: 7970 [2023-12-02 12:33:47,440 INFO L226 Difference]: Without dead ends: 7970 [2023-12-02 12:33:47,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3367 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2009, Invalid=9121, Unknown=0, NotChecked=0, Total=11130 [2023-12-02 12:33:47,441 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 1552 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:47,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 2470 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:33:47,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2023-12-02 12:33:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 6513. [2023-12-02 12:33:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6513 states, 6511 states have (on average 2.7878974043925666) internal successors, (18152), 6512 states have internal predecessors, (18152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 18152 transitions. [2023-12-02 12:33:47,533 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 18152 transitions. Word has length 131 [2023-12-02 12:33:47,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:47,533 INFO L495 AbstractCegarLoop]: Abstraction has 6513 states and 18152 transitions. [2023-12-02 12:33:47,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 18152 transitions. [2023-12-02 12:33:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:47,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:47,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:47,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-02 12:33:47,539 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:47,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1057234727, now seen corresponding path program 72 times [2023-12-02 12:33:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511259178] [2023-12-02 12:33:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:48,335 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 12:33:48,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:48,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511259178] [2023-12-02 12:33:48,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511259178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:48,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:48,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:33:48,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020120975] [2023-12-02 12:33:48,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:48,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:33:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:48,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:33:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:33:48,337 INFO L87 Difference]: Start difference. First operand 6513 states and 18152 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:52,267 INFO L93 Difference]: Finished difference Result 7964 states and 21673 transitions. [2023-12-02 12:33:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-12-02 12:33:52,267 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:52,277 INFO L225 Difference]: With dead ends: 7964 [2023-12-02 12:33:52,278 INFO L226 Difference]: Without dead ends: 7964 [2023-12-02 12:33:52,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1828, Invalid=8072, Unknown=0, NotChecked=0, Total=9900 [2023-12-02 12:33:52,279 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1582 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 2065 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:52,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 2173 Invalid, 2196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2065 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 12:33:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2023-12-02 12:33:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 6493. [2023-12-02 12:33:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6493 states, 6491 states have (on average 2.7872438761361886) internal successors, (18092), 6492 states have internal predecessors, (18092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6493 states to 6493 states and 18092 transitions. [2023-12-02 12:33:52,371 INFO L78 Accepts]: Start accepts. Automaton has 6493 states and 18092 transitions. Word has length 131 [2023-12-02 12:33:52,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:52,372 INFO L495 AbstractCegarLoop]: Abstraction has 6493 states and 18092 transitions. [2023-12-02 12:33:52,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 6493 states and 18092 transitions. [2023-12-02 12:33:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:52,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:52,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:52,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-02 12:33:52,378 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:52,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:52,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1095150927, now seen corresponding path program 73 times [2023-12-02 12:33:52,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:52,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990791328] [2023-12-02 12:33:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:53,149 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 12:33:53,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:53,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990791328] [2023-12-02 12:33:53,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990791328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:53,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:53,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:53,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066265116] [2023-12-02 12:33:53,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:53,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:53,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:53,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:53,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:53,151 INFO L87 Difference]: Start difference. First operand 6493 states and 18092 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:58,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:58,852 INFO L93 Difference]: Finished difference Result 8961 states and 24393 transitions. [2023-12-02 12:33:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-12-02 12:33:58,853 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:33:58,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:58,864 INFO L225 Difference]: With dead ends: 8961 [2023-12-02 12:33:58,865 INFO L226 Difference]: Without dead ends: 8961 [2023-12-02 12:33:58,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4875 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2713, Invalid=13289, Unknown=0, NotChecked=0, Total=16002 [2023-12-02 12:33:58,866 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 1432 mSDsluCounter, 3102 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 3528 SdHoareTripleChecker+Invalid, 2976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:58,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 3528 Invalid, 2976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:33:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2023-12-02 12:33:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 6505. [2023-12-02 12:33:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6505 states, 6503 states have (on average 2.787636475472859) internal successors, (18128), 6504 states have internal predecessors, (18128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6505 states to 6505 states and 18128 transitions. [2023-12-02 12:33:58,962 INFO L78 Accepts]: Start accepts. Automaton has 6505 states and 18128 transitions. Word has length 131 [2023-12-02 12:33:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:58,962 INFO L495 AbstractCegarLoop]: Abstraction has 6505 states and 18128 transitions. [2023-12-02 12:33:58,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:33:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 6505 states and 18128 transitions. [2023-12-02 12:33:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:33:58,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:58,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:58,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-02 12:33:58,968 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:33:58,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1387119281, now seen corresponding path program 74 times [2023-12-02 12:33:58,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:33:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729261972] [2023-12-02 12:33:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:33:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:59,740 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 12:33:59,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:33:59,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729261972] [2023-12-02 12:33:59,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729261972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:33:59,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:33:59,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:33:59,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527090116] [2023-12-02 12:33:59,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:33:59,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:33:59,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:33:59,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:33:59,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:33:59,741 INFO L87 Difference]: Start difference. First operand 6505 states and 18128 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:05,395 INFO L93 Difference]: Finished difference Result 8916 states and 24287 transitions. [2023-12-02 12:34:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-12-02 12:34:05,395 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:05,405 INFO L225 Difference]: With dead ends: 8916 [2023-12-02 12:34:05,406 INFO L226 Difference]: Without dead ends: 8916 [2023-12-02 12:34:05,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4176 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2432, Invalid=11610, Unknown=0, NotChecked=0, Total=14042 [2023-12-02 12:34:05,406 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 1214 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 3173 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 3298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:05,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 4055 Invalid, 3298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3173 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 12:34:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8916 states. [2023-12-02 12:34:05,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8916 to 6467. [2023-12-02 12:34:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6467 states, 6465 states have (on average 2.7863882443928847) internal successors, (18014), 6466 states have internal predecessors, (18014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6467 states to 6467 states and 18014 transitions. [2023-12-02 12:34:05,500 INFO L78 Accepts]: Start accepts. Automaton has 6467 states and 18014 transitions. Word has length 131 [2023-12-02 12:34:05,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:05,500 INFO L495 AbstractCegarLoop]: Abstraction has 6467 states and 18014 transitions. [2023-12-02 12:34:05,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6467 states and 18014 transitions. [2023-12-02 12:34:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:05,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:05,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:05,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-02 12:34:05,506 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:05,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1080398795, now seen corresponding path program 75 times [2023-12-02 12:34:05,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:05,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122006076] [2023-12-02 12:34:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:05,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:06,268 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 12:34:06,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:06,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122006076] [2023-12-02 12:34:06,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122006076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:06,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:06,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:06,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920840445] [2023-12-02 12:34:06,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:06,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:06,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:06,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:06,270 INFO L87 Difference]: Start difference. First operand 6467 states and 18014 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:13,366 INFO L93 Difference]: Finished difference Result 10355 states and 28283 transitions. [2023-12-02 12:34:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-12-02 12:34:13,366 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:13,379 INFO L225 Difference]: With dead ends: 10355 [2023-12-02 12:34:13,380 INFO L226 Difference]: Without dead ends: 10355 [2023-12-02 12:34:13,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8866 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=3539, Invalid=21901, Unknown=0, NotChecked=0, Total=25440 [2023-12-02 12:34:13,381 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 1526 mSDsluCounter, 4686 mSDsCounter, 0 mSdLazyCounter, 3983 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 5161 SdHoareTripleChecker+Invalid, 4082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:13,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 5161 Invalid, 4082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3983 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 12:34:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10355 states. [2023-12-02 12:34:13,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10355 to 6555. [2023-12-02 12:34:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6555 states, 6553 states have (on average 2.789256828933313) internal successors, (18278), 6554 states have internal predecessors, (18278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6555 states to 6555 states and 18278 transitions. [2023-12-02 12:34:13,486 INFO L78 Accepts]: Start accepts. Automaton has 6555 states and 18278 transitions. Word has length 131 [2023-12-02 12:34:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:13,487 INFO L495 AbstractCegarLoop]: Abstraction has 6555 states and 18278 transitions. [2023-12-02 12:34:13,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6555 states and 18278 transitions. [2023-12-02 12:34:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:13,493 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:13,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:13,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-02 12:34:13,493 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:13,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:13,493 INFO L85 PathProgramCache]: Analyzing trace with hash -341486291, now seen corresponding path program 76 times [2023-12-02 12:34:13,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:13,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731665865] [2023-12-02 12:34:13,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:13,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:14,269 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 12:34:14,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731665865] [2023-12-02 12:34:14,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731665865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:14,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:14,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493084684] [2023-12-02 12:34:14,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:14,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:14,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:14,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:14,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:14,271 INFO L87 Difference]: Start difference. First operand 6555 states and 18278 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:20,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:20,771 INFO L93 Difference]: Finished difference Result 10218 states and 27909 transitions. [2023-12-02 12:34:20,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2023-12-02 12:34:20,771 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:20,784 INFO L225 Difference]: With dead ends: 10218 [2023-12-02 12:34:20,784 INFO L226 Difference]: Without dead ends: 10218 [2023-12-02 12:34:20,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7914 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3210, Invalid=19742, Unknown=0, NotChecked=0, Total=22952 [2023-12-02 12:34:20,786 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 1739 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1739 SdHoareTripleChecker+Valid, 4747 SdHoareTripleChecker+Invalid, 3732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:20,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1739 Valid, 4747 Invalid, 3732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 12:34:20,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10218 states. [2023-12-02 12:34:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10218 to 6435. [2023-12-02 12:34:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6435 states, 6433 states have (on average 2.785325664542204) internal successors, (17918), 6434 states have internal predecessors, (17918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6435 states to 6435 states and 17918 transitions. [2023-12-02 12:34:20,888 INFO L78 Accepts]: Start accepts. Automaton has 6435 states and 17918 transitions. Word has length 131 [2023-12-02 12:34:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:20,888 INFO L495 AbstractCegarLoop]: Abstraction has 6435 states and 17918 transitions. [2023-12-02 12:34:20,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 6435 states and 17918 transitions. [2023-12-02 12:34:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:20,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:20,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:20,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-02 12:34:20,894 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:20,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1185608005, now seen corresponding path program 77 times [2023-12-02 12:34:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:20,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372947093] [2023-12-02 12:34:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:21,685 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 12:34:21,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:21,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372947093] [2023-12-02 12:34:21,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372947093] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:21,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:21,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:21,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021540159] [2023-12-02 12:34:21,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:21,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:21,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:21,687 INFO L87 Difference]: Start difference. First operand 6435 states and 17918 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:24,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:24,610 INFO L93 Difference]: Finished difference Result 7542 states and 20463 transitions. [2023-12-02 12:34:24,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 12:34:24,611 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:24,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:24,621 INFO L225 Difference]: With dead ends: 7542 [2023-12-02 12:34:24,621 INFO L226 Difference]: Without dead ends: 7542 [2023-12-02 12:34:24,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1642 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1124, Invalid=5196, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 12:34:24,621 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1259 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:24,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 2068 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:34:24,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7542 states. [2023-12-02 12:34:24,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7542 to 6437. [2023-12-02 12:34:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6437 states, 6435 states have (on average 2.7855477855477857) internal successors, (17925), 6436 states have internal predecessors, (17925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:24,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6437 states to 6437 states and 17925 transitions. [2023-12-02 12:34:24,712 INFO L78 Accepts]: Start accepts. Automaton has 6437 states and 17925 transitions. Word has length 131 [2023-12-02 12:34:24,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:24,712 INFO L495 AbstractCegarLoop]: Abstraction has 6437 states and 17925 transitions. [2023-12-02 12:34:24,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 6437 states and 17925 transitions. [2023-12-02 12:34:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:24,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:24,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:24,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-02 12:34:24,718 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:24,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:24,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1929460611, now seen corresponding path program 78 times [2023-12-02 12:34:24,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:24,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638530466] [2023-12-02 12:34:24,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:24,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:25,543 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 12:34:25,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:25,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638530466] [2023-12-02 12:34:25,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638530466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:25,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:25,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409451394] [2023-12-02 12:34:25,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:25,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:25,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:25,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:25,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:25,544 INFO L87 Difference]: Start difference. First operand 6437 states and 17925 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:29,260 INFO L93 Difference]: Finished difference Result 7772 states and 21111 transitions. [2023-12-02 12:34:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 12:34:29,261 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:29,270 INFO L225 Difference]: With dead ends: 7772 [2023-12-02 12:34:29,270 INFO L226 Difference]: Without dead ends: 7772 [2023-12-02 12:34:29,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2541 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1487, Invalid=7255, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 12:34:29,271 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1096 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 2369 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 2369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:29,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 2574 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 2369 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 12:34:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7772 states. [2023-12-02 12:34:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7772 to 6439. [2023-12-02 12:34:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6439 states, 6437 states have (on average 2.785769768525711) internal successors, (17932), 6438 states have internal predecessors, (17932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6439 states to 6439 states and 17932 transitions. [2023-12-02 12:34:29,361 INFO L78 Accepts]: Start accepts. Automaton has 6439 states and 17932 transitions. Word has length 131 [2023-12-02 12:34:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:29,361 INFO L495 AbstractCegarLoop]: Abstraction has 6439 states and 17932 transitions. [2023-12-02 12:34:29,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6439 states and 17932 transitions. [2023-12-02 12:34:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:29,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:29,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:29,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-02 12:34:29,366 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:29,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:29,367 INFO L85 PathProgramCache]: Analyzing trace with hash 35714299, now seen corresponding path program 79 times [2023-12-02 12:34:29,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:29,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135759544] [2023-12-02 12:34:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:29,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:30,131 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 12:34:30,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135759544] [2023-12-02 12:34:30,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135759544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:30,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:30,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:30,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520215442] [2023-12-02 12:34:30,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:30,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:30,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:30,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:30,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:30,132 INFO L87 Difference]: Start difference. First operand 6439 states and 17932 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:34,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:34,286 INFO L93 Difference]: Finished difference Result 8002 states and 21759 transitions. [2023-12-02 12:34:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-02 12:34:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:34,296 INFO L225 Difference]: With dead ends: 8002 [2023-12-02 12:34:34,296 INFO L226 Difference]: Without dead ends: 8002 [2023-12-02 12:34:34,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3631 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1905, Invalid=9651, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 12:34:34,297 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1306 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:34,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 2518 Invalid, 2481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2372 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 12:34:34,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2023-12-02 12:34:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 6441. [2023-12-02 12:34:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6441 states, 6439 states have (on average 2.785991613604597) internal successors, (17939), 6440 states have internal predecessors, (17939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6441 states to 6441 states and 17939 transitions. [2023-12-02 12:34:34,409 INFO L78 Accepts]: Start accepts. Automaton has 6441 states and 17939 transitions. Word has length 131 [2023-12-02 12:34:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:34,409 INFO L495 AbstractCegarLoop]: Abstraction has 6441 states and 17939 transitions. [2023-12-02 12:34:34,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6441 states and 17939 transitions. [2023-12-02 12:34:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:34,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:34,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:34,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-02 12:34:34,415 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:34,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:34,416 INFO L85 PathProgramCache]: Analyzing trace with hash -923137019, now seen corresponding path program 80 times [2023-12-02 12:34:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010505133] [2023-12-02 12:34:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:35,173 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 12:34:35,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:35,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010505133] [2023-12-02 12:34:35,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010505133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:35,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:35,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044764803] [2023-12-02 12:34:35,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:35,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:35,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:35,175 INFO L87 Difference]: Start difference. First operand 6441 states and 17939 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:40,934 INFO L93 Difference]: Finished difference Result 8868 states and 24175 transitions. [2023-12-02 12:34:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-12-02 12:34:40,934 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:40,945 INFO L225 Difference]: With dead ends: 8868 [2023-12-02 12:34:40,946 INFO L226 Difference]: Without dead ends: 8868 [2023-12-02 12:34:40,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2379, Invalid=12383, Unknown=0, NotChecked=0, Total=14762 [2023-12-02 12:34:40,947 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 1311 mSDsluCounter, 3789 mSDsCounter, 0 mSdLazyCounter, 3608 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 3691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:40,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 4215 Invalid, 3691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3608 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 12:34:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8868 states. [2023-12-02 12:34:41,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8868 to 6443. [2023-12-02 12:34:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6443 states, 6441 states have (on average 2.7862133209129016) internal successors, (17946), 6442 states have internal predecessors, (17946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 6443 states and 17946 transitions. [2023-12-02 12:34:41,042 INFO L78 Accepts]: Start accepts. Automaton has 6443 states and 17946 transitions. Word has length 131 [2023-12-02 12:34:41,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:41,042 INFO L495 AbstractCegarLoop]: Abstraction has 6443 states and 17946 transitions. [2023-12-02 12:34:41,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 6443 states and 17946 transitions. [2023-12-02 12:34:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:41,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:41,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:41,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-02 12:34:41,047 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:41,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:41,048 INFO L85 PathProgramCache]: Analyzing trace with hash 410270789, now seen corresponding path program 81 times [2023-12-02 12:34:41,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:41,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25969659] [2023-12-02 12:34:41,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:41,896 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 12:34:41,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:41,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25969659] [2023-12-02 12:34:41,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25969659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:41,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:41,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:41,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886714624] [2023-12-02 12:34:41,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:41,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:41,898 INFO L87 Difference]: Start difference. First operand 6443 states and 17946 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:43,844 INFO L93 Difference]: Finished difference Result 7333 states and 20007 transitions. [2023-12-02 12:34:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 12:34:43,844 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:43,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:43,852 INFO L225 Difference]: With dead ends: 7333 [2023-12-02 12:34:43,852 INFO L226 Difference]: Without dead ends: 7333 [2023-12-02 12:34:43,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=673, Invalid=2987, Unknown=0, NotChecked=0, Total=3660 [2023-12-02 12:34:43,853 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1014 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:43,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1556 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 12:34:43,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7333 states. [2023-12-02 12:34:43,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7333 to 6455. [2023-12-02 12:34:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 6453 states have (on average 2.786610878661088) internal successors, (17982), 6454 states have internal predecessors, (17982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 17982 transitions. [2023-12-02 12:34:43,936 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 17982 transitions. Word has length 131 [2023-12-02 12:34:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:43,936 INFO L495 AbstractCegarLoop]: Abstraction has 6455 states and 17982 transitions. [2023-12-02 12:34:43,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 17982 transitions. [2023-12-02 12:34:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:43,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:43,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:43,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-02 12:34:43,942 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:43,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1806559763, now seen corresponding path program 82 times [2023-12-02 12:34:43,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:43,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866610426] [2023-12-02 12:34:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:44,757 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 12:34:44,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:44,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866610426] [2023-12-02 12:34:44,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866610426] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:44,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:44,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418548310] [2023-12-02 12:34:44,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:44,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:44,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:44,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:44,759 INFO L87 Difference]: Start difference. First operand 6455 states and 17982 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:47,489 INFO L93 Difference]: Finished difference Result 7508 states and 20493 transitions. [2023-12-02 12:34:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 12:34:47,490 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:47,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:47,500 INFO L225 Difference]: With dead ends: 7508 [2023-12-02 12:34:47,500 INFO L226 Difference]: Without dead ends: 7508 [2023-12-02 12:34:47,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=801, Invalid=3621, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 12:34:47,501 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1190 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:47,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 2321 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:34:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7508 states. [2023-12-02 12:34:47,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7508 to 6451. [2023-12-02 12:34:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6451 states, 6449 states have (on average 2.7864785238021397) internal successors, (17970), 6450 states have internal predecessors, (17970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6451 states to 6451 states and 17970 transitions. [2023-12-02 12:34:47,598 INFO L78 Accepts]: Start accepts. Automaton has 6451 states and 17970 transitions. Word has length 131 [2023-12-02 12:34:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:47,598 INFO L495 AbstractCegarLoop]: Abstraction has 6451 states and 17970 transitions. [2023-12-02 12:34:47,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6451 states and 17970 transitions. [2023-12-02 12:34:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:47,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:47,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:47,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-02 12:34:47,605 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:47,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:47,605 INFO L85 PathProgramCache]: Analyzing trace with hash -378771131, now seen corresponding path program 83 times [2023-12-02 12:34:47,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:47,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583033692] [2023-12-02 12:34:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:48,412 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 12:34:48,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:48,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583033692] [2023-12-02 12:34:48,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583033692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:48,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:48,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:34:48,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174662895] [2023-12-02 12:34:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:48,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:34:48,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:48,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:34:48,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:34:48,414 INFO L87 Difference]: Start difference. First operand 6451 states and 17970 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:50,984 INFO L93 Difference]: Finished difference Result 7683 states and 20979 transitions. [2023-12-02 12:34:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 12:34:50,984 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:50,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:50,994 INFO L225 Difference]: With dead ends: 7683 [2023-12-02 12:34:50,994 INFO L226 Difference]: Without dead ends: 7683 [2023-12-02 12:34:50,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1347 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1003, Invalid=4399, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 12:34:50,994 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 1066 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:50,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 2046 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:34:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7683 states. [2023-12-02 12:34:51,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7683 to 6447. [2023-12-02 12:34:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6447 states, 6445 states have (on average 2.7863460046547712) internal successors, (17958), 6446 states have internal predecessors, (17958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 17958 transitions. [2023-12-02 12:34:51,084 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 17958 transitions. Word has length 131 [2023-12-02 12:34:51,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:51,084 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 17958 transitions. [2023-12-02 12:34:51,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 17958 transitions. [2023-12-02 12:34:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:51,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:51,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:51,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-02 12:34:51,090 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:51,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash 198447533, now seen corresponding path program 84 times [2023-12-02 12:34:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654066884] [2023-12-02 12:34:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:51,829 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 12:34:51,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654066884] [2023-12-02 12:34:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654066884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:51,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779184019] [2023-12-02 12:34:51,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:51,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:51,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:51,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:51,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:51,831 INFO L87 Difference]: Start difference. First operand 6447 states and 17958 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:34:56,385 INFO L93 Difference]: Finished difference Result 8362 states and 22865 transitions. [2023-12-02 12:34:56,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 12:34:56,386 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:34:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:34:56,396 INFO L225 Difference]: With dead ends: 8362 [2023-12-02 12:34:56,396 INFO L226 Difference]: Without dead ends: 8362 [2023-12-02 12:34:56,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2423 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1501, Invalid=7241, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 12:34:56,397 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 1071 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 3254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:34:56,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 3864 Invalid, 3254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 12:34:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2023-12-02 12:34:56,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 6427. [2023-12-02 12:34:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6427 states, 6425 states have (on average 2.78568093385214) internal successors, (17898), 6426 states have internal predecessors, (17898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 17898 transitions. [2023-12-02 12:34:56,489 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 17898 transitions. Word has length 131 [2023-12-02 12:34:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:34:56,489 INFO L495 AbstractCegarLoop]: Abstraction has 6427 states and 17898 transitions. [2023-12-02 12:34:56,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:34:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 17898 transitions. [2023-12-02 12:34:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:34:56,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:34:56,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:56,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-02 12:34:56,494 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:34:56,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:34:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1025942121, now seen corresponding path program 85 times [2023-12-02 12:34:56,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:34:56,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639012560] [2023-12-02 12:34:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:34:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:34:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:34:57,233 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 12:34:57,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:34:57,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639012560] [2023-12-02 12:34:57,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639012560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:34:57,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:34:57,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:34:57,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729603916] [2023-12-02 12:34:57,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:34:57,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:34:57,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:34:57,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:34:57,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:34:57,234 INFO L87 Difference]: Start difference. First operand 6427 states and 17898 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:01,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:01,898 INFO L93 Difference]: Finished difference Result 9442 states and 25837 transitions. [2023-12-02 12:35:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-12-02 12:35:01,899 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:01,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:01,911 INFO L225 Difference]: With dead ends: 9442 [2023-12-02 12:35:01,911 INFO L226 Difference]: Without dead ends: 9442 [2023-12-02 12:35:01,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3634 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1775, Invalid=9997, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 12:35:01,912 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 1460 mSDsluCounter, 3598 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:01,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 3981 Invalid, 3253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:35:01,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9442 states. [2023-12-02 12:35:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9442 to 6363. [2023-12-02 12:35:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6363 states, 6361 states have (on average 2.783524603049835) internal successors, (17706), 6362 states have internal predecessors, (17706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6363 states to 6363 states and 17706 transitions. [2023-12-02 12:35:02,039 INFO L78 Accepts]: Start accepts. Automaton has 6363 states and 17706 transitions. Word has length 131 [2023-12-02 12:35:02,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:02,039 INFO L495 AbstractCegarLoop]: Abstraction has 6363 states and 17706 transitions. [2023-12-02 12:35:02,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6363 states and 17706 transitions. [2023-12-02 12:35:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:02,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:02,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:02,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-02 12:35:02,045 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:02,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:02,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1478306949, now seen corresponding path program 86 times [2023-12-02 12:35:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:02,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734691125] [2023-12-02 12:35:02,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:02,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:02,917 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 12:35:02,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734691125] [2023-12-02 12:35:02,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734691125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:02,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:02,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:02,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269617138] [2023-12-02 12:35:02,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:02,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:02,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:02,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:02,919 INFO L87 Difference]: Start difference. First operand 6363 states and 17706 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:05,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:05,617 INFO L93 Difference]: Finished difference Result 7230 states and 19696 transitions. [2023-12-02 12:35:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-12-02 12:35:05,618 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:05,627 INFO L225 Difference]: With dead ends: 7230 [2023-12-02 12:35:05,627 INFO L226 Difference]: Without dead ends: 7230 [2023-12-02 12:35:05,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=715, Invalid=3067, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 12:35:05,628 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 969 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:05,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 2289 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:35:05,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2023-12-02 12:35:05,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 6377. [2023-12-02 12:35:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 6375 states have (on average 2.784) internal successors, (17748), 6376 states have internal predecessors, (17748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 17748 transitions. [2023-12-02 12:35:05,717 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 17748 transitions. Word has length 131 [2023-12-02 12:35:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:05,717 INFO L495 AbstractCegarLoop]: Abstraction has 6377 states and 17748 transitions. [2023-12-02 12:35:05,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 17748 transitions. [2023-12-02 12:35:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:05,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:05,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:05,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-02 12:35:05,723 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:05,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash 771669125, now seen corresponding path program 87 times [2023-12-02 12:35:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:05,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493038786] [2023-12-02 12:35:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:05,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:06,596 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 12:35:06,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:06,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493038786] [2023-12-02 12:35:06,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493038786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:06,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:06,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477308535] [2023-12-02 12:35:06,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:06,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:06,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:06,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:06,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:06,597 INFO L87 Difference]: Start difference. First operand 6377 states and 17748 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:08,772 INFO L93 Difference]: Finished difference Result 7218 states and 19688 transitions. [2023-12-02 12:35:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 12:35:08,772 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:08,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:08,782 INFO L225 Difference]: With dead ends: 7218 [2023-12-02 12:35:08,782 INFO L226 Difference]: Without dead ends: 7218 [2023-12-02 12:35:08,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=672, Invalid=2750, Unknown=0, NotChecked=0, Total=3422 [2023-12-02 12:35:08,782 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 945 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:08,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 1851 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:35:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2023-12-02 12:35:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 6369. [2023-12-02 12:35:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 6367 states have (on average 2.7837286005968274) internal successors, (17724), 6368 states have internal predecessors, (17724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 17724 transitions. [2023-12-02 12:35:08,870 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 17724 transitions. Word has length 131 [2023-12-02 12:35:08,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:08,870 INFO L495 AbstractCegarLoop]: Abstraction has 6369 states and 17724 transitions. [2023-12-02 12:35:08,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 17724 transitions. [2023-12-02 12:35:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:08,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:08,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:08,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-02 12:35:08,876 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:08,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:08,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1816188783, now seen corresponding path program 88 times [2023-12-02 12:35:08,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:08,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888702745] [2023-12-02 12:35:08,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:09,695 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 12:35:09,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:09,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888702745] [2023-12-02 12:35:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888702745] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:09,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:09,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610214085] [2023-12-02 12:35:09,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:09,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:09,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:09,697 INFO L87 Difference]: Start difference. First operand 6369 states and 17724 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:12,523 INFO L93 Difference]: Finished difference Result 7473 states and 20382 transitions. [2023-12-02 12:35:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 12:35:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:12,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:12,533 INFO L225 Difference]: With dead ends: 7473 [2023-12-02 12:35:12,533 INFO L226 Difference]: Without dead ends: 7473 [2023-12-02 12:35:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1083, Invalid=5079, Unknown=0, NotChecked=0, Total=6162 [2023-12-02 12:35:12,534 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1226 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:12,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 1907 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:35:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7473 states. [2023-12-02 12:35:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7473 to 6381. [2023-12-02 12:35:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6381 states, 6379 states have (on average 2.7841354444270263) internal successors, (17760), 6380 states have internal predecessors, (17760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 17760 transitions. [2023-12-02 12:35:12,624 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 17760 transitions. Word has length 131 [2023-12-02 12:35:12,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:12,624 INFO L495 AbstractCegarLoop]: Abstraction has 6381 states and 17760 transitions. [2023-12-02 12:35:12,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 17760 transitions. [2023-12-02 12:35:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:12,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:12,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:12,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-02 12:35:12,630 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:12,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1399552399, now seen corresponding path program 89 times [2023-12-02 12:35:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261617091] [2023-12-02 12:35:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:13,470 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 12:35:13,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:13,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261617091] [2023-12-02 12:35:13,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261617091] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:13,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:13,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:13,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135669711] [2023-12-02 12:35:13,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:13,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:13,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:13,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:13,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:13,472 INFO L87 Difference]: Start difference. First operand 6381 states and 17760 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:16,235 INFO L93 Difference]: Finished difference Result 7464 states and 20384 transitions. [2023-12-02 12:35:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 12:35:16,235 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:16,245 INFO L225 Difference]: With dead ends: 7464 [2023-12-02 12:35:16,245 INFO L226 Difference]: Without dead ends: 7464 [2023-12-02 12:35:16,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=979, Invalid=4277, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 12:35:16,246 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1157 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:16,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1942 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1708 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:35:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2023-12-02 12:35:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 6367. [2023-12-02 12:35:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 6365 states have (on average 2.7836606441476826) internal successors, (17718), 6366 states have internal predecessors, (17718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 17718 transitions. [2023-12-02 12:35:16,336 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 17718 transitions. Word has length 131 [2023-12-02 12:35:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:16,336 INFO L495 AbstractCegarLoop]: Abstraction has 6367 states and 17718 transitions. [2023-12-02 12:35:16,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 17718 transitions. [2023-12-02 12:35:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:16,341 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:16,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:16,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-02 12:35:16,341 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:16,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:16,342 INFO L85 PathProgramCache]: Analyzing trace with hash -830514203, now seen corresponding path program 90 times [2023-12-02 12:35:16,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:16,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268525927] [2023-12-02 12:35:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:17,146 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 12:35:17,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:17,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268525927] [2023-12-02 12:35:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268525927] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:17,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:17,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:35:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577224120] [2023-12-02 12:35:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:17,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:35:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:17,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:35:17,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:35:17,147 INFO L87 Difference]: Start difference. First operand 6367 states and 17718 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:21,175 INFO L93 Difference]: Finished difference Result 7716 states and 21068 transitions. [2023-12-02 12:35:21,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 12:35:21,175 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:21,185 INFO L225 Difference]: With dead ends: 7716 [2023-12-02 12:35:21,185 INFO L226 Difference]: Without dead ends: 7716 [2023-12-02 12:35:21,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2678 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1607, Invalid=7705, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 12:35:21,186 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1367 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 2420 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:21,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2602 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2420 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 12:35:21,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7716 states. [2023-12-02 12:35:21,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7716 to 6385. [2023-12-02 12:35:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6385 states, 6383 states have (on average 2.784270719097603) internal successors, (17772), 6384 states have internal predecessors, (17772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6385 states to 6385 states and 17772 transitions. [2023-12-02 12:35:21,277 INFO L78 Accepts]: Start accepts. Automaton has 6385 states and 17772 transitions. Word has length 131 [2023-12-02 12:35:21,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:21,277 INFO L495 AbstractCegarLoop]: Abstraction has 6385 states and 17772 transitions. [2023-12-02 12:35:21,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6385 states and 17772 transitions. [2023-12-02 12:35:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:21,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:21,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:21,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-02 12:35:21,283 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:21,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash -861340219, now seen corresponding path program 91 times [2023-12-02 12:35:21,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:21,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452397753] [2023-12-02 12:35:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:22,118 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 12:35:22,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:22,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452397753] [2023-12-02 12:35:22,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452397753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:22,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:22,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:35:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451257831] [2023-12-02 12:35:22,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:22,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:35:22,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:22,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:35:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:35:22,119 INFO L87 Difference]: Start difference. First operand 6385 states and 17772 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:25,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:25,367 INFO L93 Difference]: Finished difference Result 7710 states and 21080 transitions. [2023-12-02 12:35:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-12-02 12:35:25,367 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:25,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:25,377 INFO L225 Difference]: With dead ends: 7710 [2023-12-02 12:35:25,377 INFO L226 Difference]: Without dead ends: 7710 [2023-12-02 12:35:25,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2061 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1416, Invalid=6240, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 12:35:25,378 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1331 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:25,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 2220 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 12:35:25,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7710 states. [2023-12-02 12:35:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 6365. [2023-12-02 12:35:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6365 states, 6363 states have (on average 2.783592644978784) internal successors, (17712), 6364 states have internal predecessors, (17712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6365 states to 6365 states and 17712 transitions. [2023-12-02 12:35:25,467 INFO L78 Accepts]: Start accepts. Automaton has 6365 states and 17712 transitions. Word has length 131 [2023-12-02 12:35:25,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:25,468 INFO L495 AbstractCegarLoop]: Abstraction has 6365 states and 17712 transitions. [2023-12-02 12:35:25,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 6365 states and 17712 transitions. [2023-12-02 12:35:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:25,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:25,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:25,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-02 12:35:25,473 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:25,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1281241423, now seen corresponding path program 92 times [2023-12-02 12:35:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815498254] [2023-12-02 12:35:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:26,268 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 12:35:26,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:26,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815498254] [2023-12-02 12:35:26,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815498254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:26,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:26,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:26,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618538484] [2023-12-02 12:35:26,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:26,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:26,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:26,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:26,269 INFO L87 Difference]: Start difference. First operand 6365 states and 17712 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:31,362 INFO L93 Difference]: Finished difference Result 8331 states and 22752 transitions. [2023-12-02 12:35:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 12:35:31,362 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:31,373 INFO L225 Difference]: With dead ends: 8331 [2023-12-02 12:35:31,373 INFO L226 Difference]: Without dead ends: 8331 [2023-12-02 12:35:31,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4002 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2131, Invalid=11209, Unknown=0, NotChecked=0, Total=13340 [2023-12-02 12:35:31,374 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1051 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 3308 SdHoareTripleChecker+Invalid, 3027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:31,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 3308 Invalid, 3027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 2898 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:35:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8331 states. [2023-12-02 12:35:31,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8331 to 6389. [2023-12-02 12:35:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6389 states, 6387 states have (on average 2.7844058243306717) internal successors, (17784), 6388 states have internal predecessors, (17784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6389 states to 6389 states and 17784 transitions. [2023-12-02 12:35:31,469 INFO L78 Accepts]: Start accepts. Automaton has 6389 states and 17784 transitions. Word has length 131 [2023-12-02 12:35:31,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:31,469 INFO L495 AbstractCegarLoop]: Abstraction has 6389 states and 17784 transitions. [2023-12-02 12:35:31,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6389 states and 17784 transitions. [2023-12-02 12:35:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:31,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:31,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:31,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-02 12:35:31,475 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:31,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash -531455665, now seen corresponding path program 93 times [2023-12-02 12:35:31,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:31,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224876133] [2023-12-02 12:35:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:32,221 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 12:35:32,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:32,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224876133] [2023-12-02 12:35:32,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224876133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:32,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:32,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:32,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691411947] [2023-12-02 12:35:32,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:32,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:32,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:32,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:32,223 INFO L87 Difference]: Start difference. First operand 6389 states and 17784 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:36,751 INFO L93 Difference]: Finished difference Result 8322 states and 22754 transitions. [2023-12-02 12:35:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-12-02 12:35:36,752 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:36,762 INFO L225 Difference]: With dead ends: 8322 [2023-12-02 12:35:36,762 INFO L226 Difference]: Without dead ends: 8322 [2023-12-02 12:35:36,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2999 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1854, Invalid=8858, Unknown=0, NotChecked=0, Total=10712 [2023-12-02 12:35:36,763 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1044 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:36,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 2802 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:35:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8322 states. [2023-12-02 12:35:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8322 to 6355. [2023-12-02 12:35:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6355 states, 6353 states have (on average 2.7832520069258617) internal successors, (17682), 6354 states have internal predecessors, (17682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6355 states to 6355 states and 17682 transitions. [2023-12-02 12:35:36,853 INFO L78 Accepts]: Start accepts. Automaton has 6355 states and 17682 transitions. Word has length 131 [2023-12-02 12:35:36,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:36,853 INFO L495 AbstractCegarLoop]: Abstraction has 6355 states and 17682 transitions. [2023-12-02 12:35:36,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 6355 states and 17682 transitions. [2023-12-02 12:35:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:36,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:36,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:36,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-02 12:35:36,858 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:36,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -838176151, now seen corresponding path program 94 times [2023-12-02 12:35:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:36,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456102453] [2023-12-02 12:35:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:37,601 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 12:35:37,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:37,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456102453] [2023-12-02 12:35:37,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456102453] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:37,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:37,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:37,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517893375] [2023-12-02 12:35:37,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:37,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:37,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:37,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:37,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:37,603 INFO L87 Difference]: Start difference. First operand 6355 states and 17682 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:43,574 INFO L93 Difference]: Finished difference Result 9821 states and 26926 transitions. [2023-12-02 12:35:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-12-02 12:35:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:43,588 INFO L225 Difference]: With dead ends: 9821 [2023-12-02 12:35:43,588 INFO L226 Difference]: Without dead ends: 9821 [2023-12-02 12:35:43,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7654 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2852, Invalid=19200, Unknown=0, NotChecked=0, Total=22052 [2023-12-02 12:35:43,590 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 1574 mSDsluCounter, 3394 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:43,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 3794 Invalid, 3283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3193 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:35:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9821 states. [2023-12-02 12:35:43,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9821 to 6443. [2023-12-02 12:35:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6443 states, 6441 states have (on average 2.7862133209129016) internal successors, (17946), 6442 states have internal predecessors, (17946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 6443 states and 17946 transitions. [2023-12-02 12:35:43,702 INFO L78 Accepts]: Start accepts. Automaton has 6443 states and 17946 transitions. Word has length 131 [2023-12-02 12:35:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:43,702 INFO L495 AbstractCegarLoop]: Abstraction has 6443 states and 17946 transitions. [2023-12-02 12:35:43,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 6443 states and 17946 transitions. [2023-12-02 12:35:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:43,708 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:43,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:43,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-02 12:35:43,709 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:43,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2034906059, now seen corresponding path program 95 times [2023-12-02 12:35:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:43,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891283479] [2023-12-02 12:35:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:44,457 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 12:35:44,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:44,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891283479] [2023-12-02 12:35:44,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891283479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:44,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:44,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:44,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182101626] [2023-12-02 12:35:44,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:44,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:44,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:44,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:44,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:44,459 INFO L87 Difference]: Start difference. First operand 6443 states and 17946 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:49,679 INFO L93 Difference]: Finished difference Result 9684 states and 26552 transitions. [2023-12-02 12:35:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-12-02 12:35:49,680 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:49,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:49,692 INFO L225 Difference]: With dead ends: 9684 [2023-12-02 12:35:49,692 INFO L226 Difference]: Without dead ends: 9684 [2023-12-02 12:35:49,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5919 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2493, Invalid=15329, Unknown=0, NotChecked=0, Total=17822 [2023-12-02 12:35:49,694 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1306 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 3151 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 3871 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:49,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 3871 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3151 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:35:49,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9684 states. [2023-12-02 12:35:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9684 to 6323. [2023-12-02 12:35:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6323 states, 6321 states have (on average 2.7821547223540577) internal successors, (17586), 6322 states have internal predecessors, (17586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6323 states to 6323 states and 17586 transitions. [2023-12-02 12:35:49,793 INFO L78 Accepts]: Start accepts. Automaton has 6323 states and 17586 transitions. Word has length 131 [2023-12-02 12:35:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:49,793 INFO L495 AbstractCegarLoop]: Abstraction has 6323 states and 17586 transitions. [2023-12-02 12:35:49,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6323 states and 17586 transitions. [2023-12-02 12:35:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:49,798 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:49,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:49,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-02 12:35:49,799 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:49,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1367720263, now seen corresponding path program 96 times [2023-12-02 12:35:49,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:49,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901332624] [2023-12-02 12:35:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:49,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:35:50,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:50,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901332624] [2023-12-02 12:35:50,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901332624] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:50,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:50,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:50,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098764719] [2023-12-02 12:35:50,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:50,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:50,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:50,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:50,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:50,712 INFO L87 Difference]: Start difference. First operand 6323 states and 17586 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:52,862 INFO L93 Difference]: Finished difference Result 7008 states and 19076 transitions. [2023-12-02 12:35:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 12:35:52,862 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:52,871 INFO L225 Difference]: With dead ends: 7008 [2023-12-02 12:35:52,871 INFO L226 Difference]: Without dead ends: 7008 [2023-12-02 12:35:52,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=490, Invalid=1960, Unknown=0, NotChecked=0, Total=2450 [2023-12-02 12:35:52,871 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 917 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:52,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1803 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:35:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7008 states. [2023-12-02 12:35:52,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7008 to 6331. [2023-12-02 12:35:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6331 states, 6329 states have (on average 2.7824300837415072) internal successors, (17610), 6330 states have internal predecessors, (17610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 17610 transitions. [2023-12-02 12:35:52,955 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 17610 transitions. Word has length 131 [2023-12-02 12:35:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:52,955 INFO L495 AbstractCegarLoop]: Abstraction has 6331 states and 17610 transitions. [2023-12-02 12:35:52,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 17610 transitions. [2023-12-02 12:35:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:52,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:52,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:52,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-02 12:35:52,960 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:52,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1978573627, now seen corresponding path program 97 times [2023-12-02 12:35:52,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:52,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976314664] [2023-12-02 12:35:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:53,873 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 12:35:53,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:53,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976314664] [2023-12-02 12:35:53,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976314664] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:53,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:53,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483158814] [2023-12-02 12:35:53,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:53,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:53,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:53,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:53,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:53,874 INFO L87 Difference]: Start difference. First operand 6331 states and 17610 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:55,448 INFO L93 Difference]: Finished difference Result 7022 states and 19141 transitions. [2023-12-02 12:35:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 12:35:55,448 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:55,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:55,457 INFO L225 Difference]: With dead ends: 7022 [2023-12-02 12:35:55,457 INFO L226 Difference]: Without dead ends: 7022 [2023-12-02 12:35:55,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=443, Invalid=1719, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 12:35:55,458 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 890 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:55,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1240 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 12:35:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7022 states. [2023-12-02 12:35:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7022 to 6325. [2023-12-02 12:35:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6325 states, 6323 states have (on average 2.782223628024672) internal successors, (17592), 6324 states have internal predecessors, (17592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:55,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6325 states to 6325 states and 17592 transitions. [2023-12-02 12:35:55,542 INFO L78 Accepts]: Start accepts. Automaton has 6325 states and 17592 transitions. Word has length 131 [2023-12-02 12:35:55,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:55,542 INFO L495 AbstractCegarLoop]: Abstraction has 6325 states and 17592 transitions. [2023-12-02 12:35:55,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6325 states and 17592 transitions. [2023-12-02 12:35:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:55,547 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:55,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:55,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-02 12:35:55,548 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:55,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1957585113, now seen corresponding path program 98 times [2023-12-02 12:35:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736506232] [2023-12-02 12:35:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:56,482 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 12:35:56,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:56,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736506232] [2023-12-02 12:35:56,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736506232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:56,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:56,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:56,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072724062] [2023-12-02 12:35:56,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:56,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:56,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:56,483 INFO L87 Difference]: Start difference. First operand 6325 states and 17592 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:58,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:35:58,064 INFO L93 Difference]: Finished difference Result 6984 states and 19010 transitions. [2023-12-02 12:35:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 12:35:58,064 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:35:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:35:58,073 INFO L225 Difference]: With dead ends: 6984 [2023-12-02 12:35:58,073 INFO L226 Difference]: Without dead ends: 6984 [2023-12-02 12:35:58,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=403, Invalid=1577, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 12:35:58,073 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 924 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:35:58,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1273 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 12:35:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6984 states. [2023-12-02 12:35:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6984 to 6322. [2023-12-02 12:35:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6322 states, 6320 states have (on average 2.782120253164557) internal successors, (17583), 6321 states have internal predecessors, (17583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6322 states to 6322 states and 17583 transitions. [2023-12-02 12:35:58,157 INFO L78 Accepts]: Start accepts. Automaton has 6322 states and 17583 transitions. Word has length 131 [2023-12-02 12:35:58,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:35:58,157 INFO L495 AbstractCegarLoop]: Abstraction has 6322 states and 17583 transitions. [2023-12-02 12:35:58,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:35:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 6322 states and 17583 transitions. [2023-12-02 12:35:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:35:58,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:35:58,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:58,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-02 12:35:58,163 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:35:58,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:35:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1045372367, now seen corresponding path program 99 times [2023-12-02 12:35:58,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:35:58,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479788837] [2023-12-02 12:35:58,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:35:58,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:35:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:35:59,017 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 12:35:59,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:35:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479788837] [2023-12-02 12:35:59,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479788837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:35:59,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:35:59,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:35:59,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569918115] [2023-12-02 12:35:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:35:59,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:35:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:35:59,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:35:59,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:35:59,018 INFO L87 Difference]: Start difference. First operand 6322 states and 17583 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:01,316 INFO L93 Difference]: Finished difference Result 7254 states and 19775 transitions. [2023-12-02 12:36:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 12:36:01,317 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:01,324 INFO L225 Difference]: With dead ends: 7254 [2023-12-02 12:36:01,324 INFO L226 Difference]: Without dead ends: 7254 [2023-12-02 12:36:01,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=822, Invalid=3468, Unknown=0, NotChecked=0, Total=4290 [2023-12-02 12:36:01,325 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 987 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:01,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1291 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 12:36:01,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2023-12-02 12:36:01,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 6338. [2023-12-02 12:36:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6338 states, 6336 states have (on average 2.7826704545454546) internal successors, (17631), 6337 states have internal predecessors, (17631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6338 states to 6338 states and 17631 transitions. [2023-12-02 12:36:01,408 INFO L78 Accepts]: Start accepts. Automaton has 6338 states and 17631 transitions. Word has length 131 [2023-12-02 12:36:01,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:01,409 INFO L495 AbstractCegarLoop]: Abstraction has 6338 states and 17631 transitions. [2023-12-02 12:36:01,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6338 states and 17631 transitions. [2023-12-02 12:36:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:01,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:01,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:01,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-02 12:36:01,414 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:01,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:01,414 INFO L85 PathProgramCache]: Analyzing trace with hash 403776561, now seen corresponding path program 100 times [2023-12-02 12:36:01,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:01,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514823993] [2023-12-02 12:36:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:01,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:02,279 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 12:36:02,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:02,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514823993] [2023-12-02 12:36:02,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514823993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:02,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:02,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:02,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349256705] [2023-12-02 12:36:02,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:02,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:02,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:02,281 INFO L87 Difference]: Start difference. First operand 6338 states and 17631 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:04,483 INFO L93 Difference]: Finished difference Result 7243 states and 19768 transitions. [2023-12-02 12:36:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 12:36:04,484 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:04,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:04,493 INFO L225 Difference]: With dead ends: 7243 [2023-12-02 12:36:04,493 INFO L226 Difference]: Without dead ends: 7243 [2023-12-02 12:36:04,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=708, Invalid=2832, Unknown=0, NotChecked=0, Total=3540 [2023-12-02 12:36:04,494 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1096 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:04,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 1645 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:36:04,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2023-12-02 12:36:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 6326. [2023-12-02 12:36:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6326 states, 6324 states have (on average 2.782258064516129) internal successors, (17595), 6325 states have internal predecessors, (17595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6326 states to 6326 states and 17595 transitions. [2023-12-02 12:36:04,580 INFO L78 Accepts]: Start accepts. Automaton has 6326 states and 17595 transitions. Word has length 131 [2023-12-02 12:36:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:04,580 INFO L495 AbstractCegarLoop]: Abstraction has 6326 states and 17595 transitions. [2023-12-02 12:36:04,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 6326 states and 17595 transitions. [2023-12-02 12:36:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:04,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:04,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:04,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-02 12:36:04,586 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:04,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1040120815, now seen corresponding path program 101 times [2023-12-02 12:36:04,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:04,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601068023] [2023-12-02 12:36:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:05,454 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 12:36:05,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:05,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601068023] [2023-12-02 12:36:05,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601068023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:05,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:05,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:05,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248951870] [2023-12-02 12:36:05,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:05,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:05,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:05,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:05,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:05,456 INFO L87 Difference]: Start difference. First operand 6326 states and 17595 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:07,582 INFO L93 Difference]: Finished difference Result 7191 states and 19593 transitions. [2023-12-02 12:36:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-02 12:36:07,583 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:07,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:07,592 INFO L225 Difference]: With dead ends: 7191 [2023-12-02 12:36:07,592 INFO L226 Difference]: Without dead ends: 7191 [2023-12-02 12:36:07,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=619, Invalid=2461, Unknown=0, NotChecked=0, Total=3080 [2023-12-02 12:36:07,592 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1115 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:07,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1689 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1555 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 12:36:07,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7191 states. [2023-12-02 12:36:07,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7191 to 6321. [2023-12-02 12:36:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 6319 states have (on average 2.7820857730653583) internal successors, (17580), 6320 states have internal predecessors, (17580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 17580 transitions. [2023-12-02 12:36:07,680 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 17580 transitions. Word has length 131 [2023-12-02 12:36:07,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:07,680 INFO L495 AbstractCegarLoop]: Abstraction has 6321 states and 17580 transitions. [2023-12-02 12:36:07,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 17580 transitions. [2023-12-02 12:36:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:07,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:07,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:07,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-02 12:36:07,686 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:07,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:07,686 INFO L85 PathProgramCache]: Analyzing trace with hash -643183513, now seen corresponding path program 102 times [2023-12-02 12:36:07,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:07,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303560478] [2023-12-02 12:36:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:07,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:08,526 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 12:36:08,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:08,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303560478] [2023-12-02 12:36:08,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303560478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:08,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:08,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:36:08,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617019985] [2023-12-02 12:36:08,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:08,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:36:08,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:08,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:36:08,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:36:08,527 INFO L87 Difference]: Start difference. First operand 6321 states and 17580 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:11,815 INFO L93 Difference]: Finished difference Result 7500 states and 20474 transitions. [2023-12-02 12:36:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 12:36:11,815 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:11,825 INFO L225 Difference]: With dead ends: 7500 [2023-12-02 12:36:11,825 INFO L226 Difference]: Without dead ends: 7500 [2023-12-02 12:36:11,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1298, Invalid=5508, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 12:36:11,825 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 1026 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:11,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1948 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 12:36:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7500 states. [2023-12-02 12:36:11,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7500 to 6345. [2023-12-02 12:36:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6345 states, 6343 states have (on average 2.78291029481318) internal successors, (17652), 6344 states have internal predecessors, (17652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 17652 transitions. [2023-12-02 12:36:11,915 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 17652 transitions. Word has length 131 [2023-12-02 12:36:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:11,915 INFO L495 AbstractCegarLoop]: Abstraction has 6345 states and 17652 transitions. [2023-12-02 12:36:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 17652 transitions. [2023-12-02 12:36:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:11,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:11,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:11,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-02 12:36:11,920 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:11,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash 942182981, now seen corresponding path program 103 times [2023-12-02 12:36:11,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:11,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621210966] [2023-12-02 12:36:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:11,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:12,761 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 12:36:12,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:12,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621210966] [2023-12-02 12:36:12,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621210966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:12,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:12,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:36:12,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941487128] [2023-12-02 12:36:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:12,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:36:12,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:12,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:36:12,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:36:12,763 INFO L87 Difference]: Start difference. First operand 6345 states and 17652 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:15,407 INFO L93 Difference]: Finished difference Result 7464 states and 20395 transitions. [2023-12-02 12:36:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 12:36:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:15,417 INFO L225 Difference]: With dead ends: 7464 [2023-12-02 12:36:15,417 INFO L226 Difference]: Without dead ends: 7464 [2023-12-02 12:36:15,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1089, Invalid=4313, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 12:36:15,418 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 1161 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:15,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 1601 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 12:36:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2023-12-02 12:36:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 6327. [2023-12-02 12:36:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6327 states, 6325 states have (on average 2.7822924901185773) internal successors, (17598), 6326 states have internal predecessors, (17598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 17598 transitions. [2023-12-02 12:36:15,508 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 17598 transitions. Word has length 131 [2023-12-02 12:36:15,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:15,508 INFO L495 AbstractCegarLoop]: Abstraction has 6327 states and 17598 transitions. [2023-12-02 12:36:15,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 17598 transitions. [2023-12-02 12:36:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:15,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:15,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:15,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-02 12:36:15,514 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:15,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:15,514 INFO L85 PathProgramCache]: Analyzing trace with hash -805981625, now seen corresponding path program 104 times [2023-12-02 12:36:15,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:15,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376711250] [2023-12-02 12:36:15,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:15,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:16,358 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 12:36:16,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:16,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376711250] [2023-12-02 12:36:16,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376711250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:16,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:16,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-02 12:36:16,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18922547] [2023-12-02 12:36:16,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:16,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 12:36:16,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:16,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 12:36:16,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:36:16,360 INFO L87 Difference]: Start difference. First operand 6327 states and 17598 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:19,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:19,402 INFO L93 Difference]: Finished difference Result 7398 states and 20176 transitions. [2023-12-02 12:36:19,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 12:36:19,402 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:19,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:19,412 INFO L225 Difference]: With dead ends: 7398 [2023-12-02 12:36:19,412 INFO L226 Difference]: Without dead ends: 7398 [2023-12-02 12:36:19,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=935, Invalid=3621, Unknown=0, NotChecked=0, Total=4556 [2023-12-02 12:36:19,413 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1088 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 2402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:19,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 2497 Invalid, 2402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 12:36:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7398 states. [2023-12-02 12:36:19,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7398 to 6320. [2023-12-02 12:36:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6320 states, 6318 states have (on average 2.782051282051282) internal successors, (17577), 6319 states have internal predecessors, (17577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6320 states to 6320 states and 17577 transitions. [2023-12-02 12:36:19,501 INFO L78 Accepts]: Start accepts. Automaton has 6320 states and 17577 transitions. Word has length 131 [2023-12-02 12:36:19,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:19,501 INFO L495 AbstractCegarLoop]: Abstraction has 6320 states and 17577 transitions. [2023-12-02 12:36:19,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 6320 states and 17577 transitions. [2023-12-02 12:36:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:19,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:19,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:19,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-02 12:36:19,506 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:19,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:19,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1888633809, now seen corresponding path program 105 times [2023-12-02 12:36:19,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:19,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74954264] [2023-12-02 12:36:19,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:19,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:36:20,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:20,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74954264] [2023-12-02 12:36:20,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74954264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:20,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:20,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:20,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647343698] [2023-12-02 12:36:20,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:20,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:20,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:20,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:20,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:20,241 INFO L87 Difference]: Start difference. First operand 6320 states and 17577 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:24,509 INFO L93 Difference]: Finished difference Result 8132 states and 22195 transitions. [2023-12-02 12:36:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-12-02 12:36:24,510 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:24,520 INFO L225 Difference]: With dead ends: 8132 [2023-12-02 12:36:24,520 INFO L226 Difference]: Without dead ends: 8132 [2023-12-02 12:36:24,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2547 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1726, Invalid=7780, Unknown=0, NotChecked=0, Total=9506 [2023-12-02 12:36:24,521 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1029 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:24,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 2716 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2410 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 12:36:24,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8132 states. [2023-12-02 12:36:24,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8132 to 6336. [2023-12-02 12:36:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6336 states, 6334 states have (on average 2.78260183138617) internal successors, (17625), 6335 states have internal predecessors, (17625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 17625 transitions. [2023-12-02 12:36:24,613 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 17625 transitions. Word has length 131 [2023-12-02 12:36:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:24,613 INFO L495 AbstractCegarLoop]: Abstraction has 6336 states and 17625 transitions. [2023-12-02 12:36:24,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 17625 transitions. [2023-12-02 12:36:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:24,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:24,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:24,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-02 12:36:24,619 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:24,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:24,620 INFO L85 PathProgramCache]: Analyzing trace with hash -844003343, now seen corresponding path program 106 times [2023-12-02 12:36:24,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:24,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822934585] [2023-12-02 12:36:24,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:24,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:25,378 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 12:36:25,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:25,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822934585] [2023-12-02 12:36:25,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822934585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:25,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:25,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798656710] [2023-12-02 12:36:25,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:25,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:25,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:25,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:25,379 INFO L87 Difference]: Start difference. First operand 6336 states and 17625 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:29,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:29,458 INFO L93 Difference]: Finished difference Result 7998 states and 21841 transitions. [2023-12-02 12:36:29,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 12:36:29,458 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:29,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:29,469 INFO L225 Difference]: With dead ends: 7998 [2023-12-02 12:36:29,469 INFO L226 Difference]: Without dead ends: 7998 [2023-12-02 12:36:29,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1809 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1421, Invalid=5889, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 12:36:29,470 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 975 mSDsluCounter, 2799 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:29,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 3123 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:36:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7998 states. [2023-12-02 12:36:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7998 to 6300. [2023-12-02 12:36:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 6298 states have (on average 2.7813591616386155) internal successors, (17517), 6299 states have internal predecessors, (17517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 17517 transitions. [2023-12-02 12:36:29,582 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 17517 transitions. Word has length 131 [2023-12-02 12:36:29,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:29,583 INFO L495 AbstractCegarLoop]: Abstraction has 6300 states and 17517 transitions. [2023-12-02 12:36:29,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 17517 transitions. [2023-12-02 12:36:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:29,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:29,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:29,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-02 12:36:29,588 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:29,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:29,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1654559311, now seen corresponding path program 107 times [2023-12-02 12:36:29,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:29,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64744089] [2023-12-02 12:36:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:36:30,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:30,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64744089] [2023-12-02 12:36:30,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64744089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:30,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:30,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082507425] [2023-12-02 12:36:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:30,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:30,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:30,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:30,341 INFO L87 Difference]: Start difference. First operand 6300 states and 17517 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:34,323 INFO L93 Difference]: Finished difference Result 7918 states and 21573 transitions. [2023-12-02 12:36:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 12:36:34,323 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:34,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:34,333 INFO L225 Difference]: With dead ends: 7918 [2023-12-02 12:36:34,333 INFO L226 Difference]: Without dead ends: 7918 [2023-12-02 12:36:34,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1204, Invalid=4802, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 12:36:34,334 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1009 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:34,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 3209 Invalid, 2893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 12:36:34,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7918 states. [2023-12-02 12:36:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7918 to 6291. [2023-12-02 12:36:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6291 states, 6289 states have (on average 2.781046271267292) internal successors, (17490), 6290 states have internal predecessors, (17490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6291 states to 6291 states and 17490 transitions. [2023-12-02 12:36:34,424 INFO L78 Accepts]: Start accepts. Automaton has 6291 states and 17490 transitions. Word has length 131 [2023-12-02 12:36:34,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:34,424 INFO L495 AbstractCegarLoop]: Abstraction has 6291 states and 17490 transitions. [2023-12-02 12:36:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 17490 transitions. [2023-12-02 12:36:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:34,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:34,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:34,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-02 12:36:34,430 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:34,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1260176875, now seen corresponding path program 108 times [2023-12-02 12:36:34,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:34,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798317428] [2023-12-02 12:36:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:34,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:35,181 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 12:36:35,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798317428] [2023-12-02 12:36:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798317428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:35,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:35,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:35,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928600817] [2023-12-02 12:36:35,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:35,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:35,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:35,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:35,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:35,182 INFO L87 Difference]: Start difference. First operand 6291 states and 17490 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:40,194 INFO L93 Difference]: Finished difference Result 9461 states and 25859 transitions. [2023-12-02 12:36:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2023-12-02 12:36:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:40,206 INFO L225 Difference]: With dead ends: 9461 [2023-12-02 12:36:40,206 INFO L226 Difference]: Without dead ends: 9461 [2023-12-02 12:36:40,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5908 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2532, Invalid=15290, Unknown=0, NotChecked=0, Total=17822 [2023-12-02 12:36:40,208 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1589 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 3472 SdHoareTripleChecker+Invalid, 3029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:40,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 3472 Invalid, 3029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:36:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9461 states. [2023-12-02 12:36:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9461 to 6299. [2023-12-02 12:36:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6299 states, 6297 states have (on average 2.7813244402096235) internal successors, (17514), 6298 states have internal predecessors, (17514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 17514 transitions. [2023-12-02 12:36:40,305 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 17514 transitions. Word has length 131 [2023-12-02 12:36:40,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:40,305 INFO L495 AbstractCegarLoop]: Abstraction has 6299 states and 17514 transitions. [2023-12-02 12:36:40,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 17514 transitions. [2023-12-02 12:36:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:40,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:40,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:40,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-02 12:36:40,311 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:40,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1778867253, now seen corresponding path program 109 times [2023-12-02 12:36:40,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:40,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404815634] [2023-12-02 12:36:40,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:40,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:41,052 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 12:36:41,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404815634] [2023-12-02 12:36:41,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404815634] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:41,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:41,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:41,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594837880] [2023-12-02 12:36:41,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:41,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:41,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:41,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:41,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:41,053 INFO L87 Difference]: Start difference. First operand 6299 states and 17514 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:45,758 INFO L93 Difference]: Finished difference Result 9047 states and 24714 transitions. [2023-12-02 12:36:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-02 12:36:45,758 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:45,774 INFO L225 Difference]: With dead ends: 9047 [2023-12-02 12:36:45,774 INFO L226 Difference]: Without dead ends: 9047 [2023-12-02 12:36:45,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4162 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2048, Invalid=11292, Unknown=0, NotChecked=0, Total=13340 [2023-12-02 12:36:45,776 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 1443 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 3174 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 3256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:45,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 4051 Invalid, 3256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 3174 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:36:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9047 states. [2023-12-02 12:36:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9047 to 6011. [2023-12-02 12:36:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6011 states, 6009 states have (on average 2.7721750707272426) internal successors, (16658), 6010 states have internal predecessors, (16658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6011 states to 6011 states and 16658 transitions. [2023-12-02 12:36:45,866 INFO L78 Accepts]: Start accepts. Automaton has 6011 states and 16658 transitions. Word has length 131 [2023-12-02 12:36:45,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:45,866 INFO L495 AbstractCegarLoop]: Abstraction has 6011 states and 16658 transitions. [2023-12-02 12:36:45,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 6011 states and 16658 transitions. [2023-12-02 12:36:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 12:36:45,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:45,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:45,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-02 12:36:45,872 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:45,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash -569986101, now seen corresponding path program 110 times [2023-12-02 12:36:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:45,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701121802] [2023-12-02 12:36:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:46,593 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 12:36:46,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:46,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701121802] [2023-12-02 12:36:46,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701121802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:46,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:46,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-02 12:36:46,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972994582] [2023-12-02 12:36:46,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:46,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 12:36:46,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:46,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 12:36:46,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-12-02 12:36:46,595 INFO L87 Difference]: Start difference. First operand 6011 states and 16658 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:51,042 INFO L93 Difference]: Finished difference Result 8118 states and 21973 transitions. [2023-12-02 12:36:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 12:36:51,043 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2023-12-02 12:36:51,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:51,053 INFO L225 Difference]: With dead ends: 8118 [2023-12-02 12:36:51,053 INFO L226 Difference]: Without dead ends: 8118 [2023-12-02 12:36:51,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3204 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1758, Invalid=9162, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 12:36:51,054 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1302 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 3762 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:51,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 3762 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:36:51,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8118 states. [2023-12-02 12:36:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8118 to 5050. [2023-12-02 12:36:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 5049 states have (on average 2.7468805704099823) internal successors, (13869), 5049 states have internal predecessors, (13869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 13869 transitions. [2023-12-02 12:36:51,134 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 13869 transitions. Word has length 131 [2023-12-02 12:36:51,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:51,134 INFO L495 AbstractCegarLoop]: Abstraction has 5050 states and 13869 transitions. [2023-12-02 12:36:51,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 13869 transitions. [2023-12-02 12:36:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 12:36:51,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:51,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:51,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-02 12:36:51,139 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:51,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:51,139 INFO L85 PathProgramCache]: Analyzing trace with hash -508391536, now seen corresponding path program 1 times [2023-12-02 12:36:51,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:51,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795845378] [2023-12-02 12:36:51,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:51,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:36:51,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:51,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795845378] [2023-12-02 12:36:51,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795845378] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:51,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:51,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 12:36:51,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882181224] [2023-12-02 12:36:51,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:51,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:36:51,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:51,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:36:51,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:36:51,628 INFO L87 Difference]: Start difference. First operand 5050 states and 13869 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:51,788 INFO L93 Difference]: Finished difference Result 5060 states and 13880 transitions. [2023-12-02 12:36:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:36:51,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2023-12-02 12:36:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:51,793 INFO L225 Difference]: With dead ends: 5060 [2023-12-02 12:36:51,794 INFO L226 Difference]: Without dead ends: 4088 [2023-12-02 12:36:51,794 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 12:36:51,794 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 44 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:51,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 331 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:36:51,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2023-12-02 12:36:51,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 4088. [2023-12-02 12:36:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4088 states, 4087 states have (on average 2.716662588695865) internal successors, (11103), 4087 states have internal predecessors, (11103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 4088 states and 11103 transitions. [2023-12-02 12:36:51,850 INFO L78 Accepts]: Start accepts. Automaton has 4088 states and 11103 transitions. Word has length 135 [2023-12-02 12:36:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:51,851 INFO L495 AbstractCegarLoop]: Abstraction has 4088 states and 11103 transitions. [2023-12-02 12:36:51,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4088 states and 11103 transitions. [2023-12-02 12:36:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:36:51,855 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:51,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:51,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-02 12:36:51,856 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:51,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1795875787, now seen corresponding path program 1 times [2023-12-02 12:36:51,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:51,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61558781] [2023-12-02 12:36:51,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:52,845 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 12:36:52,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:52,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61558781] [2023-12-02 12:36:52,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61558781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:52,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:52,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:36:52,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12328429] [2023-12-02 12:36:52,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:52,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:36:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:36:52,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:36:52,847 INFO L87 Difference]: Start difference. First operand 4088 states and 11103 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:53,745 INFO L93 Difference]: Finished difference Result 4098 states and 11112 transitions. [2023-12-02 12:36:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 12:36:53,746 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:36:53,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:53,751 INFO L225 Difference]: With dead ends: 4098 [2023-12-02 12:36:53,751 INFO L226 Difference]: Without dead ends: 4083 [2023-12-02 12:36:53,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=634, Unknown=0, NotChecked=0, Total=870 [2023-12-02 12:36:53,751 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 675 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:53,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1057 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 12:36:53,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2023-12-02 12:36:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 4083. [2023-12-02 12:36:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4083 states, 4082 states have (on average 2.7175404213620773) internal successors, (11093), 4082 states have internal predecessors, (11093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 4083 states and 11093 transitions. [2023-12-02 12:36:53,799 INFO L78 Accepts]: Start accepts. Automaton has 4083 states and 11093 transitions. Word has length 145 [2023-12-02 12:36:53,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:53,799 INFO L495 AbstractCegarLoop]: Abstraction has 4083 states and 11093 transitions. [2023-12-02 12:36:53,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:53,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4083 states and 11093 transitions. [2023-12-02 12:36:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:36:53,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:53,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:53,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-02 12:36:53,803 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:53,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash -767456709, now seen corresponding path program 2 times [2023-12-02 12:36:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:53,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128110990] [2023-12-02 12:36:53,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:54,597 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 12:36:54,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:54,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128110990] [2023-12-02 12:36:54,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128110990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:54,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:54,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:36:54,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625080585] [2023-12-02 12:36:54,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:54,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:36:54,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:54,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:36:54,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:36:54,599 INFO L87 Difference]: Start difference. First operand 4083 states and 11093 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:55,579 INFO L93 Difference]: Finished difference Result 4103 states and 11121 transitions. [2023-12-02 12:36:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 12:36:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:36:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:55,584 INFO L225 Difference]: With dead ends: 4103 [2023-12-02 12:36:55,584 INFO L226 Difference]: Without dead ends: 4078 [2023-12-02 12:36:55,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 12:36:55,585 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 681 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:55,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 1010 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 12:36:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2023-12-02 12:36:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2023-12-02 12:36:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4077 states have (on average 2.718420407162129) internal successors, (11083), 4077 states have internal predecessors, (11083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 11083 transitions. [2023-12-02 12:36:55,632 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 11083 transitions. Word has length 145 [2023-12-02 12:36:55,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:55,632 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 11083 transitions. [2023-12-02 12:36:55,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 11083 transitions. [2023-12-02 12:36:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:36:55,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:55,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:55,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-02 12:36:55,636 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:55,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2046268579, now seen corresponding path program 3 times [2023-12-02 12:36:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:55,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422076074] [2023-12-02 12:36:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:55,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:56,429 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 12:36:56,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:56,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422076074] [2023-12-02 12:36:56,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422076074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:56,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:56,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:36:56,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400836840] [2023-12-02 12:36:56,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:56,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:36:56,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:56,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:36:56,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:36:56,430 INFO L87 Difference]: Start difference. First operand 4078 states and 11083 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:57,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:57,417 INFO L93 Difference]: Finished difference Result 4108 states and 11130 transitions. [2023-12-02 12:36:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 12:36:57,418 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:36:57,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:57,423 INFO L225 Difference]: With dead ends: 4108 [2023-12-02 12:36:57,423 INFO L226 Difference]: Without dead ends: 4073 [2023-12-02 12:36:57,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=433, Invalid=1127, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 12:36:57,423 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 946 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:57,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 960 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 12:36:57,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2023-12-02 12:36:57,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 4073. [2023-12-02 12:36:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4073 states, 4072 states have (on average 2.719302554027505) internal successors, (11073), 4072 states have internal predecessors, (11073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 11073 transitions. [2023-12-02 12:36:57,471 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 11073 transitions. Word has length 145 [2023-12-02 12:36:57,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:57,471 INFO L495 AbstractCegarLoop]: Abstraction has 4073 states and 11073 transitions. [2023-12-02 12:36:57,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:57,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 11073 transitions. [2023-12-02 12:36:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:36:57,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:57,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:57,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-02 12:36:57,475 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:57,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:57,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1518272577, now seen corresponding path program 4 times [2023-12-02 12:36:57,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:57,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840422655] [2023-12-02 12:36:57,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:57,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:36:58,226 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 12:36:58,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:36:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840422655] [2023-12-02 12:36:58,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840422655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:36:58,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:36:58,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:36:58,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342368811] [2023-12-02 12:36:58,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:36:58,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:36:58,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:36:58,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:36:58,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:36:58,227 INFO L87 Difference]: Start difference. First operand 4073 states and 11073 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:59,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:36:59,315 INFO L93 Difference]: Finished difference Result 4110 states and 11133 transitions. [2023-12-02 12:36:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 12:36:59,316 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:36:59,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:36:59,321 INFO L225 Difference]: With dead ends: 4110 [2023-12-02 12:36:59,321 INFO L226 Difference]: Without dead ends: 4080 [2023-12-02 12:36:59,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=478, Invalid=1328, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 12:36:59,321 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 866 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:36:59,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1022 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 12:36:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2023-12-02 12:36:59,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4076. [2023-12-02 12:36:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4076 states, 4075 states have (on average 2.718036809815951) internal successors, (11076), 4075 states have internal predecessors, (11076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 11076 transitions. [2023-12-02 12:36:59,381 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 11076 transitions. Word has length 145 [2023-12-02 12:36:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:36:59,381 INFO L495 AbstractCegarLoop]: Abstraction has 4076 states and 11076 transitions. [2023-12-02 12:36:59,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:36:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 11076 transitions. [2023-12-02 12:36:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:36:59,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:36:59,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:59,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-02 12:36:59,386 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:36:59,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:36:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash 168220451, now seen corresponding path program 5 times [2023-12-02 12:36:59,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:36:59,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522976474] [2023-12-02 12:36:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:36:59,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:36:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:00,294 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 12:37:00,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:00,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522976474] [2023-12-02 12:37:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522976474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:00,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879791515] [2023-12-02 12:37:00,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:00,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:00,296 INFO L87 Difference]: Start difference. First operand 4076 states and 11076 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:01,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:01,063 INFO L93 Difference]: Finished difference Result 4104 states and 11121 transitions. [2023-12-02 12:37:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 12:37:01,064 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:01,068 INFO L225 Difference]: With dead ends: 4104 [2023-12-02 12:37:01,068 INFO L226 Difference]: Without dead ends: 4068 [2023-12-02 12:37:01,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=321, Invalid=939, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 12:37:01,069 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 683 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:01,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 862 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:37:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4068 states. [2023-12-02 12:37:01,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4068 to 4068. [2023-12-02 12:37:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4068 states, 4067 states have (on average 2.7201868699286944) internal successors, (11063), 4067 states have internal predecessors, (11063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 11063 transitions. [2023-12-02 12:37:01,119 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 11063 transitions. Word has length 145 [2023-12-02 12:37:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:01,119 INFO L495 AbstractCegarLoop]: Abstraction has 4068 states and 11063 transitions. [2023-12-02 12:37:01,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 11063 transitions. [2023-12-02 12:37:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:37:01,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:37:01,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:01,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-12-02 12:37:01,124 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:37:01,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:37:01,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2014276573, now seen corresponding path program 6 times [2023-12-02 12:37:01,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:37:01,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810683256] [2023-12-02 12:37:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:37:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:37:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:01,863 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 12:37:01,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:01,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810683256] [2023-12-02 12:37:01,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810683256] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:01,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:01,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:01,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928836786] [2023-12-02 12:37:01,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:01,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:01,864 INFO L87 Difference]: Start difference. First operand 4068 states and 11063 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:02,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:02,844 INFO L93 Difference]: Finished difference Result 4096 states and 11108 transitions. [2023-12-02 12:37:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 12:37:02,844 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:02,848 INFO L225 Difference]: With dead ends: 4096 [2023-12-02 12:37:02,848 INFO L226 Difference]: Without dead ends: 2780 [2023-12-02 12:37:02,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=448, Invalid=1444, Unknown=0, NotChecked=0, Total=1892 [2023-12-02 12:37:02,848 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1054 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:02,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 1401 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 12:37:02,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2023-12-02 12:37:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2780. [2023-12-02 12:37:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2779 states have (on average 2.6516732637639437) internal successors, (7369), 2779 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 7369 transitions. [2023-12-02 12:37:02,878 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 7369 transitions. Word has length 145 [2023-12-02 12:37:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:02,879 INFO L495 AbstractCegarLoop]: Abstraction has 2780 states and 7369 transitions. [2023-12-02 12:37:02,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 7369 transitions. [2023-12-02 12:37:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:37:02,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:37:02,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:02,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-12-02 12:37:02,881 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:37:02,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:37:02,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1902205347, now seen corresponding path program 7 times [2023-12-02 12:37:02,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:37:02,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472431415] [2023-12-02 12:37:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:37:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:37:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:03,645 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 12:37:03,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:03,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472431415] [2023-12-02 12:37:03,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472431415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:03,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:03,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:03,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70433102] [2023-12-02 12:37:03,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:03,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:03,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:03,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:03,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:03,647 INFO L87 Difference]: Start difference. First operand 2780 states and 7369 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:04,667 INFO L93 Difference]: Finished difference Result 2816 states and 7427 transitions. [2023-12-02 12:37:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 12:37:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:04,671 INFO L225 Difference]: With dead ends: 2816 [2023-12-02 12:37:04,671 INFO L226 Difference]: Without dead ends: 2789 [2023-12-02 12:37:04,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=521, Invalid=1641, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 12:37:04,672 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 1144 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:04,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 1366 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 12:37:04,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2023-12-02 12:37:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2782. [2023-12-02 12:37:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 2781 states have (on average 2.650485436893204) internal successors, (7371), 2781 states have internal predecessors, (7371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 7371 transitions. [2023-12-02 12:37:04,703 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 7371 transitions. Word has length 145 [2023-12-02 12:37:04,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:04,703 INFO L495 AbstractCegarLoop]: Abstraction has 2782 states and 7371 transitions. [2023-12-02 12:37:04,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 7371 transitions. [2023-12-02 12:37:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:37:04,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:37:04,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:04,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-12-02 12:37:04,705 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:37:04,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:37:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1886744551, now seen corresponding path program 8 times [2023-12-02 12:37:04,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:37:04,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015826959] [2023-12-02 12:37:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:37:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:37:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:05,461 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 12:37:05,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:05,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015826959] [2023-12-02 12:37:05,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015826959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:05,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:05,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:05,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964082539] [2023-12-02 12:37:05,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:05,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:05,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:05,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:05,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:05,463 INFO L87 Difference]: Start difference. First operand 2782 states and 7371 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:06,256 INFO L93 Difference]: Finished difference Result 2810 states and 7416 transitions. [2023-12-02 12:37:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 12:37:06,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:06,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:06,259 INFO L225 Difference]: With dead ends: 2810 [2023-12-02 12:37:06,259 INFO L226 Difference]: Without dead ends: 2140 [2023-12-02 12:37:06,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1190, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 12:37:06,260 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 1049 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:06,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 1160 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:37:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2023-12-02 12:37:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2023-12-02 12:37:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 2.584852734922861) internal successors, (5529), 2139 states have internal predecessors, (5529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 5529 transitions. [2023-12-02 12:37:06,284 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 5529 transitions. Word has length 145 [2023-12-02 12:37:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:06,285 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 5529 transitions. [2023-12-02 12:37:06,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 5529 transitions. [2023-12-02 12:37:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:37:06,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:37:06,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:06,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-12-02 12:37:06,287 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:37:06,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:37:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash -890978269, now seen corresponding path program 9 times [2023-12-02 12:37:06,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:37:06,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727654824] [2023-12-02 12:37:06,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:37:06,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:37:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:07,029 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 12:37:07,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:07,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727654824] [2023-12-02 12:37:07,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727654824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:07,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:07,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:07,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263388490] [2023-12-02 12:37:07,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:07,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:07,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:07,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:07,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:07,031 INFO L87 Difference]: Start difference. First operand 2140 states and 5529 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:07,868 INFO L93 Difference]: Finished difference Result 2164 states and 5566 transitions. [2023-12-02 12:37:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 12:37:07,868 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:07,870 INFO L225 Difference]: With dead ends: 2164 [2023-12-02 12:37:07,870 INFO L226 Difference]: Without dead ends: 2134 [2023-12-02 12:37:07,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=481, Invalid=1499, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 12:37:07,871 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 691 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:07,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 890 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:37:07,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2023-12-02 12:37:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2131. [2023-12-02 12:37:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 2130 states have (on average 2.5873239436619717) internal successors, (5511), 2130 states have internal predecessors, (5511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 5511 transitions. [2023-12-02 12:37:07,893 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 5511 transitions. Word has length 145 [2023-12-02 12:37:07,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:07,893 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 5511 transitions. [2023-12-02 12:37:07,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 5511 transitions. [2023-12-02 12:37:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 12:37:07,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:37:07,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:07,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-12-02 12:37:07,895 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-12-02 12:37:07,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:37:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2053936901, now seen corresponding path program 10 times [2023-12-02 12:37:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:37:07,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332519525] [2023-12-02 12:37:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:37:07,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:37:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:37:08,641 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 12:37:08,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:37:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332519525] [2023-12-02 12:37:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332519525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:37:08,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:37:08,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-02 12:37:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032108835] [2023-12-02 12:37:08,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:37:08,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:37:08,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:37:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:37:08,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:37:08,642 INFO L87 Difference]: Start difference. First operand 2131 states and 5511 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:09,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:37:09,257 INFO L93 Difference]: Finished difference Result 2126 states and 5502 transitions. [2023-12-02 12:37:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 12:37:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2023-12-02 12:37:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:37:09,258 INFO L225 Difference]: With dead ends: 2126 [2023-12-02 12:37:09,258 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 12:37:09,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 12:37:09,258 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 654 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:37:09,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 866 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 12:37:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 12:37:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 12:37:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 12:37:09,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2023-12-02 12:37:09,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:37:09,259 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 12:37:09,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:37:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 12:37:09,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 12:37:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-12-02 12:37:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-12-02 12:37:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-12-02 12:37:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-12-02 12:37:09,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-12-02 12:37:09,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-12-02 12:37:09,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-12-02 12:37:09,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-12-02 12:37:09,265 INFO L445 BasicCegarLoop]: Path program histogram: [110, 10, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:37:09,268 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 12:37:09,268 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:37:09,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:37:09 BasicIcfg [2023-12-02 12:37:09,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:37:09,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:37:09,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:37:09,271 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:37:09,271 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:53" (3/4) ... [2023-12-02 12:37:09,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 12:37:09,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-12-02 12:37:09,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 12:37:09,281 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 12:37:09,281 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 12:37:09,282 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 12:37:09,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 12:37:09,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 12:37:09,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:37:09,373 INFO L158 Benchmark]: Toolchain (without parser) took 617140.17ms. Allocated memory was 153.1MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 112.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 717.3MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,373 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:37:09,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.00ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 77.3MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.15ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 73.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,374 INFO L158 Benchmark]: Boogie Preprocessor took 59.79ms. Allocated memory is still 153.1MB. Free memory was 73.1MB in the beginning and 69.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,374 INFO L158 Benchmark]: RCFGBuilder took 770.30ms. Allocated memory is still 153.1MB. Free memory was 68.9MB in the beginning and 82.5MB in the end (delta: -13.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,374 INFO L158 Benchmark]: TraceAbstraction took 615440.01ms. Allocated memory was 153.1MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 81.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 681.3MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,374 INFO L158 Benchmark]: Witness Printer took 101.68ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 12:37:09,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.00ms. Allocated memory is still 153.1MB. Free memory was 111.5MB in the beginning and 77.3MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.15ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 73.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.79ms. Allocated memory is still 153.1MB. Free memory was 73.1MB in the beginning and 69.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 770.30ms. Allocated memory is still 153.1MB. Free memory was 68.9MB in the beginning and 82.5MB in the end (delta: -13.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 615440.01ms. Allocated memory was 153.1MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 81.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 681.3MB. Max. memory is 16.1GB. * Witness Printer took 101.68ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3942]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3965]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3960]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3967]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3904]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 316 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 615.3s, OverallIterations: 140, TraceHistogramMax: 1, PathProgramHistogramMax: 110, EmptinessCheckTime: 0.8s, AutomataDifference: 486.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154243 SdHoareTripleChecker+Valid, 243.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154243 mSDsluCounter, 353897 SdHoareTripleChecker+Invalid, 214.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 312075 mSDsCounter, 11198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285826 IncrementalHoareTripleChecker+Invalid, 297024 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11198 mSolverCounterUnsat, 41822 mSDtfsCounter, 285826 mSolverCounterSat, 2.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11556 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366296 ImplicationChecksByTransitivity, 244.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33029occurred in iteration=0, InterpolantAutomatonStates: 9695, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.6s AutomataMinimizationTime, 140 MinimizatonAttempts, 192827 StatesRemovedByMinimization, 126 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 104.9s InterpolantComputationTime, 17833 NumberOfCodeBlocks, 17833 NumberOfCodeBlocksAsserted, 140 NumberOfCheckSat, 17693 ConstructedInterpolants, 0 QuantifiedInterpolants, 126613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 140 InterpolantComputations, 140 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 12:37:09,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b932a2-f523-487f-b466-cb0299bdac6c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE