./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:13:19,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:13:19,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:13:19,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:13:19,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:13:19,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:13:20,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:13:20,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:13:20,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:13:20,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:13:20,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:13:20,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:13:20,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:13:20,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:13:20,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:13:20,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:13:20,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:13:20,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:13:20,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:13:20,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:13:20,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:13:20,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:13:20,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:13:20,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:13:20,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:13:20,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:13:20,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:13:20,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:13:20,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:13:20,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:13:20,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:13:20,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:13:20,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:13:20,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:13:20,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:13:20,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:13:20,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:13:20,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:13:20,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:13:20,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:13:20,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:13:20,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:13:20,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:13:20,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:13:20,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:13:20,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:13:20,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:13:20,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:13:20,141 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:13:20,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:13:20,141 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:13:20,142 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:13:20,143 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:13:20,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:13:20,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:13:20,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:13:20,144 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:13:20,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:13:20,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:13:20,145 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:13:20,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:13:20,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:13:20,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:13:20,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:13:20,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:13:20,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:13:20,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:13:20,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:13:20,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:13:20,151 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:13:20,151 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:13:20,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:13:20,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:13:20,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:13:20,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:13:20,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:13:20,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:20,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:13:20,154 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:13:20,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:13:20,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:13:20,155 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:13:20,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:13:20,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:13:20,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:13:20,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 [2022-11-03 02:13:20,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:13:20,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:13:20,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:13:20,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:13:20,640 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:13:20,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2022-11-03 02:13:20,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/data/bc65e098c/102e76d4504f49d9aba4b34c6c6a954c/FLAGdd796974e [2022-11-03 02:13:21,440 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:13:21,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2022-11-03 02:13:21,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/data/bc65e098c/102e76d4504f49d9aba4b34c6c6a954c/FLAGdd796974e [2022-11-03 02:13:21,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/data/bc65e098c/102e76d4504f49d9aba4b34c6c6a954c [2022-11-03 02:13:21,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:13:21,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:13:21,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:21,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:13:21,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:13:21,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:21" (1/1) ... [2022-11-03 02:13:21,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c74aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:21, skipping insertion in model container [2022-11-03 02:13:21,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:21" (1/1) ... [2022-11-03 02:13:21,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:13:21,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:13:22,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:22,617 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:13:22,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:22,787 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:13:22,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22 WrapperNode [2022-11-03 02:13:22,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:22,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:22,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:13:22,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:13:22,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,878 INFO L138 Inliner]: procedures = 369, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 237 [2022-11-03 02:13:22,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:22,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:13:22,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:13:22,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:13:22,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:13:22,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:13:22,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:13:22,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:13:22,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (1/1) ... [2022-11-03 02:13:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:22,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:22,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:13:22,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:13:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:13:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:13:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:13:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:13:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:13:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:13:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:13:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:13:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:13:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:13:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:13:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:13:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:13:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:13:23,045 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:13:23,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:13:23,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:13:24,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:13:24,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:13:24,227 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:13:24,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:24 BoogieIcfgContainer [2022-11-03 02:13:24,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:13:24,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:13:24,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:13:24,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:13:24,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:13:21" (1/3) ... [2022-11-03 02:13:24,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd4fd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:24, skipping insertion in model container [2022-11-03 02:13:24,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:22" (2/3) ... [2022-11-03 02:13:24,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd4fd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:24, skipping insertion in model container [2022-11-03 02:13:24,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:24" (3/3) ... [2022-11-03 02:13:24,246 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.i [2022-11-03 02:13:24,257 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:13:24,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:13:24,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-03 02:13:24,271 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:13:24,379 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:13:24,420 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:13:24,439 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 274 transitions, 553 flow [2022-11-03 02:13:24,450 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 274 transitions, 553 flow [2022-11-03 02:13:24,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 272 places, 274 transitions, 553 flow [2022-11-03 02:13:24,597 INFO L130 PetriNetUnfolder]: 6/273 cut-off events. [2022-11-03 02:13:24,599 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:13:24,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 273 events. 6/273 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 430 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 200. Up to 2 conditions per place. [2022-11-03 02:13:24,627 INFO L118 LiptonReduction]: Number of co-enabled transitions 19550 [2022-11-03 02:14:44,590 WARN L234 SmtUtils]: Spent 11.63s on a formula simplification. DAG size of input: 146 DAG size of output: 142 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:14:50,018 WARN L234 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:15:02,304 WARN L234 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 146 DAG size of output: 142 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:15:07,919 WARN L234 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:15:07,932 INFO L133 LiptonReduction]: Checked pairs total: 108439 [2022-11-03 02:15:07,932 INFO L135 LiptonReduction]: Total number of compositions: 167 [2022-11-03 02:15:07,942 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 122 transitions, 249 flow [2022-11-03 02:15:08,078 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3154 states, 3082 states have (on average 2.04510058403634) internal successors, (6303), 3153 states have internal predecessors, (6303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:08,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:15:08,105 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=LoopsAndPotentialCycles, 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;@354b922d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:15:08,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-03 02:15:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 3154 states, 3082 states have (on average 2.04510058403634) internal successors, (6303), 3153 states have internal predecessors, (6303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-03 02:15:08,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:08,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-03 02:15:08,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:08,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:08,130 INFO L85 PathProgramCache]: Analyzing trace with hash 27555, now seen corresponding path program 1 times [2022-11-03 02:15:08,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:08,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908684351] [2022-11-03 02:15:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:08,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:08,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908684351] [2022-11-03 02:15:08,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908684351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:08,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:08,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:15:08,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116668427] [2022-11-03 02:15:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:08,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:15:08,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:08,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:15:08,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:15:08,450 INFO L87 Difference]: Start difference. First operand has 3154 states, 3082 states have (on average 2.04510058403634) internal successors, (6303), 3153 states have internal predecessors, (6303), 0 states have call successors, (0), 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 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:08,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:08,834 INFO L93 Difference]: Finished difference Result 3151 states and 6300 transitions. [2022-11-03 02:15:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:15:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-11-03 02:15:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:08,879 INFO L225 Difference]: With dead ends: 3151 [2022-11-03 02:15:08,880 INFO L226 Difference]: Without dead ends: 3151 [2022-11-03 02:15:08,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:15:08,892 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:08,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:15:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2022-11-03 02:15:09,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 3151. [2022-11-03 02:15:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3082 states have (on average 2.044127190136275) internal successors, (6300), 3150 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 6300 transitions. [2022-11-03 02:15:09,110 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 6300 transitions. Word has length 2 [2022-11-03 02:15:09,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:09,111 INFO L495 AbstractCegarLoop]: Abstraction has 3151 states and 6300 transitions. [2022-11-03 02:15:09,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 6300 transitions. [2022-11-03 02:15:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:15:09,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:09,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:09,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:15:09,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:09,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:09,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1287733599, now seen corresponding path program 1 times [2022-11-03 02:15:09,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:09,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350373645] [2022-11-03 02:15:09,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:09,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:09,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:09,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350373645] [2022-11-03 02:15:09,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350373645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:09,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:09,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:15:09,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817853867] [2022-11-03 02:15:09,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:09,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:15:09,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:09,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:15:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:09,333 INFO L87 Difference]: Start difference. First operand 3151 states and 6300 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:09,900 INFO L93 Difference]: Finished difference Result 6207 states and 12411 transitions. [2022-11-03 02:15:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:15:09,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:15:09,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:09,936 INFO L225 Difference]: With dead ends: 6207 [2022-11-03 02:15:09,937 INFO L226 Difference]: Without dead ends: 6207 [2022-11-03 02:15:09,937 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 [2022-11-03 02:15:09,944 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 111 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 160 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:15:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6207 states. [2022-11-03 02:15:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6207 to 3198. [2022-11-03 02:15:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3198 states, 3129 states have (on average 2.043464365612017) internal successors, (6394), 3197 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 6394 transitions. [2022-11-03 02:15:10,095 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 6394 transitions. Word has length 11 [2022-11-03 02:15:10,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:10,095 INFO L495 AbstractCegarLoop]: Abstraction has 3198 states and 6394 transitions. [2022-11-03 02:15:10,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 6394 transitions. [2022-11-03 02:15:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:15:10,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:10,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:10,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:15:10,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 681353701, now seen corresponding path program 1 times [2022-11-03 02:15:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:10,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476123729] [2022-11-03 02:15:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:10,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:10,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476123729] [2022-11-03 02:15:10,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476123729] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:15:10,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749990985] [2022-11-03 02:15:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:10,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:10,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:15:10,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:15:10,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:15:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:10,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:15:10,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:15:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:10,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:15:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:10,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749990985] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:15:10,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1075618763] [2022-11-03 02:15:10,720 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:15:10,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:15:10,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-03 02:15:10,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748855797] [2022-11-03 02:15:10,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:15:10,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:15:10,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:15:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:15:10,726 INFO L87 Difference]: Start difference. First operand 3198 states and 6394 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:11,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:11,759 INFO L93 Difference]: Finished difference Result 12367 states and 24728 transitions. [2022-11-03 02:15:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:15:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-03 02:15:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:11,829 INFO L225 Difference]: With dead ends: 12367 [2022-11-03 02:15:11,830 INFO L226 Difference]: Without dead ends: 12367 [2022-11-03 02:15:11,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:15:11,831 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 666 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:11,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 380 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:15:11,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12367 states. [2022-11-03 02:15:12,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12367 to 10929. [2022-11-03 02:15:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10929 states, 10860 states have (on average 2.1420810313075505) internal successors, (23263), 10928 states have internal predecessors, (23263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10929 states to 10929 states and 23263 transitions. [2022-11-03 02:15:12,307 INFO L78 Accepts]: Start accepts. Automaton has 10929 states and 23263 transitions. Word has length 12 [2022-11-03 02:15:12,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:12,308 INFO L495 AbstractCegarLoop]: Abstraction has 10929 states and 23263 transitions. [2022-11-03 02:15:12,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 10929 states and 23263 transitions. [2022-11-03 02:15:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:15:12,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:12,312 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:12,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:15:12,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:12,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 222261153, now seen corresponding path program 2 times [2022-11-03 02:15:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:12,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704850489] [2022-11-03 02:15:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:12,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:12,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704850489] [2022-11-03 02:15:12,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704850489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:15:12,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538523750] [2022-11-03 02:15:12,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:15:12,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:12,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:15:12,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:15:12,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:15:13,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-03 02:15:13,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:15:13,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:15:13,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:15:13,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:15:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 02:15:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,391 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:15:13,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-03 02:15:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:13,472 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:15:13,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-03 02:15:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 02:15:13,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:15:13,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538523750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:13,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:15:13,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 12 [2022-11-03 02:15:13,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150473298] [2022-11-03 02:15:13,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:13,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:15:13,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:13,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:15:13,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:15:13,537 INFO L87 Difference]: Start difference. First operand 10929 states and 23263 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:15,505 INFO L93 Difference]: Finished difference Result 11652 states and 24718 transitions. [2022-11-03 02:15:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:15:15,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 02:15:15,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:15,561 INFO L225 Difference]: With dead ends: 11652 [2022-11-03 02:15:15,561 INFO L226 Difference]: Without dead ends: 11652 [2022-11-03 02:15:15,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:15:15,565 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 207 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:15,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 69 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:15:15,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11652 states. [2022-11-03 02:15:15,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11652 to 11652. [2022-11-03 02:15:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11652 states, 11583 states have (on average 2.1339894673228006) internal successors, (24718), 11651 states have internal predecessors, (24718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11652 states to 11652 states and 24718 transitions. [2022-11-03 02:15:15,991 INFO L78 Accepts]: Start accepts. Automaton has 11652 states and 24718 transitions. Word has length 15 [2022-11-03 02:15:15,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:15,991 INFO L495 AbstractCegarLoop]: Abstraction has 11652 states and 24718 transitions. [2022-11-03 02:15:15,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 11652 states and 24718 transitions. [2022-11-03 02:15:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:15:15,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:15,995 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:16,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:15:16,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:16,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:16,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:16,217 INFO L85 PathProgramCache]: Analyzing trace with hash -988764233, now seen corresponding path program 1 times [2022-11-03 02:15:16,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:16,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810533897] [2022-11-03 02:15:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:16,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:16,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810533897] [2022-11-03 02:15:16,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810533897] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:15:16,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544500684] [2022-11-03 02:15:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:16,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:15:16,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:15:16,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:15:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:16,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:15:16,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:15:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:17,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:15:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:17,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544500684] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:15:17,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2123642587] [2022-11-03 02:15:17,120 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:15:17,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:15:17,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-03 02:15:17,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155885844] [2022-11-03 02:15:17,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:15:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:15:17,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:15:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:15:17,129 INFO L87 Difference]: Start difference. First operand 11652 states and 24718 transitions. Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:19,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:19,722 INFO L93 Difference]: Finished difference Result 32533 states and 65054 transitions. [2022-11-03 02:15:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:15:19,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-03 02:15:19,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:19,911 INFO L225 Difference]: With dead ends: 32533 [2022-11-03 02:15:19,912 INFO L226 Difference]: Without dead ends: 32533 [2022-11-03 02:15:19,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:15:19,913 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 1665 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:19,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 895 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:15:19,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32533 states. [2022-11-03 02:15:20,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32533 to 28194. [2022-11-03 02:15:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28194 states, 28125 states have (on average 2.1558755555555558) internal successors, (60634), 28193 states have internal predecessors, (60634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28194 states to 28194 states and 60634 transitions. [2022-11-03 02:15:21,093 INFO L78 Accepts]: Start accepts. Automaton has 28194 states and 60634 transitions. Word has length 16 [2022-11-03 02:15:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:21,093 INFO L495 AbstractCegarLoop]: Abstraction has 28194 states and 60634 transitions. [2022-11-03 02:15:21,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 28194 states and 60634 transitions. [2022-11-03 02:15:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:15:21,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:21,102 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:21,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:15:21,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:15:21,318 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:21,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2001190455, now seen corresponding path program 2 times [2022-11-03 02:15:21,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:21,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513056326] [2022-11-03 02:15:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:23,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:23,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513056326] [2022-11-03 02:15:23,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513056326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:23,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:23,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:15:23,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213527729] [2022-11-03 02:15:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:23,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:15:23,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:23,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:15:23,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:15:23,470 INFO L87 Difference]: Start difference. First operand 28194 states and 60634 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:25,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:25,540 INFO L93 Difference]: Finished difference Result 31050 states and 66751 transitions. [2022-11-03 02:15:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:15:25,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 02:15:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:25,667 INFO L225 Difference]: With dead ends: 31050 [2022-11-03 02:15:25,667 INFO L226 Difference]: Without dead ends: 31050 [2022-11-03 02:15:25,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:15:25,668 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 126 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:25,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 82 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:15:25,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31050 states. [2022-11-03 02:15:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31050 to 30452. [2022-11-03 02:15:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30452 states, 30383 states have (on average 2.1549550735608727) internal successors, (65474), 30451 states have internal predecessors, (65474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30452 states to 30452 states and 65474 transitions. [2022-11-03 02:15:26,914 INFO L78 Accepts]: Start accepts. Automaton has 30452 states and 65474 transitions. Word has length 22 [2022-11-03 02:15:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:26,915 INFO L495 AbstractCegarLoop]: Abstraction has 30452 states and 65474 transitions. [2022-11-03 02:15:26,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30452 states and 65474 transitions. [2022-11-03 02:15:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:26,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:26,918 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:26,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:15:26,919 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1544563703, now seen corresponding path program 1 times [2022-11-03 02:15:26,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:26,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883187460] [2022-11-03 02:15:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:29,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:29,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883187460] [2022-11-03 02:15:29,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883187460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:29,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:29,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:15:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405971896] [2022-11-03 02:15:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:29,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:15:29,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:15:29,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:15:29,076 INFO L87 Difference]: Start difference. First operand 30452 states and 65474 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:33,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:33,562 INFO L93 Difference]: Finished difference Result 60950 states and 131088 transitions. [2022-11-03 02:15:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:15:33,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:15:33,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:33,764 INFO L225 Difference]: With dead ends: 60950 [2022-11-03 02:15:33,765 INFO L226 Difference]: Without dead ends: 60950 [2022-11-03 02:15:33,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:15:33,767 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 544 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:33,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 397 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 02:15:34,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60950 states. [2022-11-03 02:15:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60950 to 31212. [2022-11-03 02:15:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31212 states, 31143 states have (on average 2.152458016247632) internal successors, (67034), 31211 states have internal predecessors, (67034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31212 states to 31212 states and 67034 transitions. [2022-11-03 02:15:35,157 INFO L78 Accepts]: Start accepts. Automaton has 31212 states and 67034 transitions. Word has length 26 [2022-11-03 02:15:35,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:35,158 INFO L495 AbstractCegarLoop]: Abstraction has 31212 states and 67034 transitions. [2022-11-03 02:15:35,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31212 states and 67034 transitions. [2022-11-03 02:15:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:35,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:35,160 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:35,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:15:35,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1733880529, now seen corresponding path program 1 times [2022-11-03 02:15:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:35,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129144605] [2022-11-03 02:15:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:37,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:37,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129144605] [2022-11-03 02:15:37,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129144605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:37,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:37,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:15:37,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882426956] [2022-11-03 02:15:37,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:37,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:15:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:15:37,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:15:37,068 INFO L87 Difference]: Start difference. First operand 31212 states and 67034 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:40,867 INFO L93 Difference]: Finished difference Result 59947 states and 128866 transitions. [2022-11-03 02:15:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:15:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:15:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:41,146 INFO L225 Difference]: With dead ends: 59947 [2022-11-03 02:15:41,147 INFO L226 Difference]: Without dead ends: 59947 [2022-11-03 02:15:41,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:15:41,149 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 529 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:41,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 382 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:15:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59947 states. [2022-11-03 02:15:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59947 to 31462. [2022-11-03 02:15:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31462 states, 31393 states have (on average 2.1512439078775523) internal successors, (67534), 31461 states have internal predecessors, (67534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31462 states to 31462 states and 67534 transitions. [2022-11-03 02:15:42,305 INFO L78 Accepts]: Start accepts. Automaton has 31462 states and 67534 transitions. Word has length 26 [2022-11-03 02:15:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:42,305 INFO L495 AbstractCegarLoop]: Abstraction has 31462 states and 67534 transitions. [2022-11-03 02:15:42,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 31462 states and 67534 transitions. [2022-11-03 02:15:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:42,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:42,307 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:42,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:15:42,308 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:42,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:42,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1678266933, now seen corresponding path program 2 times [2022-11-03 02:15:42,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:42,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688762434] [2022-11-03 02:15:42,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:44,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:44,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688762434] [2022-11-03 02:15:44,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688762434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:44,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:44,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:15:44,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820348982] [2022-11-03 02:15:44,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:44,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:15:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:44,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:15:44,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:15:44,033 INFO L87 Difference]: Start difference. First operand 31462 states and 67534 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:46,855 INFO L93 Difference]: Finished difference Result 34220 states and 73827 transitions. [2022-11-03 02:15:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:15:46,856 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:15:46,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:46,940 INFO L225 Difference]: With dead ends: 34220 [2022-11-03 02:15:46,940 INFO L226 Difference]: Without dead ends: 34220 [2022-11-03 02:15:46,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:15:46,941 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 329 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1789 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:46,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 402 Invalid, 1858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1789 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:15:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34220 states. [2022-11-03 02:15:47,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34220 to 31512. [2022-11-03 02:15:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31512 states, 31443 states have (on average 2.151003402983176) internal successors, (67634), 31511 states have internal predecessors, (67634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31512 states to 31512 states and 67634 transitions. [2022-11-03 02:15:47,880 INFO L78 Accepts]: Start accepts. Automaton has 31512 states and 67634 transitions. Word has length 26 [2022-11-03 02:15:47,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:47,880 INFO L495 AbstractCegarLoop]: Abstraction has 31512 states and 67634 transitions. [2022-11-03 02:15:47,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 31512 states and 67634 transitions. [2022-11-03 02:15:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:47,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:47,891 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:47,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:15:47,892 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:47,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1672183803, now seen corresponding path program 3 times [2022-11-03 02:15:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:47,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908056451] [2022-11-03 02:15:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:47,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:49,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:49,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908056451] [2022-11-03 02:15:49,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908056451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:49,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:49,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:15:49,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475668728] [2022-11-03 02:15:49,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:49,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:15:49,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:49,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:15:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:15:49,599 INFO L87 Difference]: Start difference. First operand 31512 states and 67634 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:53,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:53,190 INFO L93 Difference]: Finished difference Result 34564 states and 74551 transitions. [2022-11-03 02:15:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:15:53,190 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:15:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:53,349 INFO L225 Difference]: With dead ends: 34564 [2022-11-03 02:15:53,349 INFO L226 Difference]: Without dead ends: 34564 [2022-11-03 02:15:53,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:15:53,350 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 308 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:53,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 408 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:15:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34564 states. [2022-11-03 02:15:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34564 to 31562. [2022-11-03 02:15:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31562 states, 31493 states have (on average 2.150763661766107) internal successors, (67734), 31561 states have internal predecessors, (67734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31562 states to 31562 states and 67734 transitions. [2022-11-03 02:15:53,857 INFO L78 Accepts]: Start accepts. Automaton has 31562 states and 67734 transitions. Word has length 26 [2022-11-03 02:15:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:53,858 INFO L495 AbstractCegarLoop]: Abstraction has 31562 states and 67734 transitions. [2022-11-03 02:15:53,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31562 states and 67734 transitions. [2022-11-03 02:15:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:53,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:53,859 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:53,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:15:53,859 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:53,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:53,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1482713043, now seen corresponding path program 4 times [2022-11-03 02:15:53,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:53,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395579488] [2022-11-03 02:15:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:15:55,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:55,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395579488] [2022-11-03 02:15:55,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395579488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:55,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:55,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:15:55,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641465320] [2022-11-03 02:15:55,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:55,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:15:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:55,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:15:55,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:15:55,492 INFO L87 Difference]: Start difference. First operand 31562 states and 67734 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:59,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:59,119 INFO L93 Difference]: Finished difference Result 34907 states and 75274 transitions. [2022-11-03 02:15:59,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:15:59,119 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:15:59,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:59,276 INFO L225 Difference]: With dead ends: 34907 [2022-11-03 02:15:59,276 INFO L226 Difference]: Without dead ends: 34907 [2022-11-03 02:15:59,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:15:59,277 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 286 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:59,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 409 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:15:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34907 states. [2022-11-03 02:15:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34907 to 31612. [2022-11-03 02:15:59,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31612 states, 31543 states have (on average 2.1505246805947436) internal successors, (67834), 31611 states have internal predecessors, (67834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31612 states to 31612 states and 67834 transitions. [2022-11-03 02:15:59,977 INFO L78 Accepts]: Start accepts. Automaton has 31612 states and 67834 transitions. Word has length 26 [2022-11-03 02:15:59,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:59,977 INFO L495 AbstractCegarLoop]: Abstraction has 31612 states and 67834 transitions. [2022-11-03 02:15:59,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:15:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 31612 states and 67834 transitions. [2022-11-03 02:15:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:15:59,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:59,979 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:59,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:15:59,980 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:15:59,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash 123618851, now seen corresponding path program 5 times [2022-11-03 02:15:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:59,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049074815] [2022-11-03 02:15:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:01,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:01,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049074815] [2022-11-03 02:16:01,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049074815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:01,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:01,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787752173] [2022-11-03 02:16:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:01,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:01,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:01,649 INFO L87 Difference]: Start difference. First operand 31612 states and 67834 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:04,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:04,314 INFO L93 Difference]: Finished difference Result 35251 states and 75998 transitions. [2022-11-03 02:16:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:16:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:16:04,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:04,384 INFO L225 Difference]: With dead ends: 35251 [2022-11-03 02:16:04,384 INFO L226 Difference]: Without dead ends: 35251 [2022-11-03 02:16:04,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:16:04,385 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 260 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:04,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 396 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:16:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35251 states. [2022-11-03 02:16:04,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35251 to 31662. [2022-11-03 02:16:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31662 states, 31593 states have (on average 2.1502864558604755) internal successors, (67934), 31661 states have internal predecessors, (67934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31662 states to 31662 states and 67934 transitions. [2022-11-03 02:16:05,102 INFO L78 Accepts]: Start accepts. Automaton has 31662 states and 67934 transitions. Word has length 26 [2022-11-03 02:16:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:05,102 INFO L495 AbstractCegarLoop]: Abstraction has 31662 states and 67934 transitions. [2022-11-03 02:16:05,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 31662 states and 67934 transitions. [2022-11-03 02:16:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:16:05,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:05,105 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:05,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:16:05,105 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:05,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash -751311121, now seen corresponding path program 6 times [2022-11-03 02:16:05,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:05,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189018638] [2022-11-03 02:16:05,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:05,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:06,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:06,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189018638] [2022-11-03 02:16:06,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189018638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:06,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:06,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:06,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800014578] [2022-11-03 02:16:06,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:06,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:06,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:06,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:06,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:06,561 INFO L87 Difference]: Start difference. First operand 31662 states and 67934 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:11,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:11,149 INFO L93 Difference]: Finished difference Result 64581 states and 139093 transitions. [2022-11-03 02:16:11,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:16:11,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:16:11,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:11,438 INFO L225 Difference]: With dead ends: 64581 [2022-11-03 02:16:11,438 INFO L226 Difference]: Without dead ends: 64581 [2022-11-03 02:16:11,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:16:11,439 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 493 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 3010 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 3081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:11,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 658 Invalid, 3081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3010 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 02:16:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64581 states. [2022-11-03 02:16:12,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64581 to 31712. [2022-11-03 02:16:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31712 states, 31643 states have (on average 2.150048983977499) internal successors, (68034), 31711 states have internal predecessors, (68034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31712 states to 31712 states and 68034 transitions. [2022-11-03 02:16:12,358 INFO L78 Accepts]: Start accepts. Automaton has 31712 states and 68034 transitions. Word has length 26 [2022-11-03 02:16:12,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:12,358 INFO L495 AbstractCegarLoop]: Abstraction has 31712 states and 68034 transitions. [2022-11-03 02:16:12,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 31712 states and 68034 transitions. [2022-11-03 02:16:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:16:12,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:12,359 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:12,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:16:12,360 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:12,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:12,361 INFO L85 PathProgramCache]: Analyzing trace with hash -940627947, now seen corresponding path program 2 times [2022-11-03 02:16:12,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:12,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320736202] [2022-11-03 02:16:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:12,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:13,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:13,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320736202] [2022-11-03 02:16:13,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320736202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:13,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:13,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:13,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448381848] [2022-11-03 02:16:13,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:13,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:13,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:13,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:13,792 INFO L87 Difference]: Start difference. First operand 31712 states and 68034 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:17,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:17,707 INFO L93 Difference]: Finished difference Result 62307 states and 134082 transitions. [2022-11-03 02:16:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:16:17,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:16:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:17,873 INFO L225 Difference]: With dead ends: 62307 [2022-11-03 02:16:17,873 INFO L226 Difference]: Without dead ends: 62307 [2022-11-03 02:16:17,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:16:17,874 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 434 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 2906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:17,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 617 Invalid, 2906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-03 02:16:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62307 states. [2022-11-03 02:16:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62307 to 31606. [2022-11-03 02:16:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31606 states, 31537 states have (on average 2.151694834638678) internal successors, (67858), 31605 states have internal predecessors, (67858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31606 states to 31606 states and 67858 transitions. [2022-11-03 02:16:18,756 INFO L78 Accepts]: Start accepts. Automaton has 31606 states and 67858 transitions. Word has length 26 [2022-11-03 02:16:18,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:18,757 INFO L495 AbstractCegarLoop]: Abstraction has 31606 states and 67858 transitions. [2022-11-03 02:16:18,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 31606 states and 67858 transitions. [2022-11-03 02:16:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:16:18,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:18,758 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:18,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:16:18,759 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 904000109, now seen corresponding path program 7 times [2022-11-03 02:16:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:18,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940832972] [2022-11-03 02:16:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:20,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:20,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940832972] [2022-11-03 02:16:20,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940832972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:20,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:20,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535238484] [2022-11-03 02:16:20,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:20,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:20,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:20,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:20,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:20,051 INFO L87 Difference]: Start difference. First operand 31606 states and 67858 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:23,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:23,625 INFO L93 Difference]: Finished difference Result 60848 states and 130831 transitions. [2022-11-03 02:16:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:16:23,625 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:16:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:23,753 INFO L225 Difference]: With dead ends: 60848 [2022-11-03 02:16:23,753 INFO L226 Difference]: Without dead ends: 60848 [2022-11-03 02:16:23,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:16:23,754 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 385 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:23,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 674 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:16:23,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60848 states. [2022-11-03 02:16:24,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60848 to 30907. [2022-11-03 02:16:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30907 states, 30839 states have (on average 2.150977658160122) internal successors, (66334), 30906 states have internal predecessors, (66334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30907 states to 30907 states and 66334 transitions. [2022-11-03 02:16:24,465 INFO L78 Accepts]: Start accepts. Automaton has 30907 states and 66334 transitions. Word has length 26 [2022-11-03 02:16:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:24,466 INFO L495 AbstractCegarLoop]: Abstraction has 30907 states and 66334 transitions. [2022-11-03 02:16:24,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30907 states and 66334 transitions. [2022-11-03 02:16:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:16:24,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:24,467 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:24,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:16:24,468 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 714683283, now seen corresponding path program 3 times [2022-11-03 02:16:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:24,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117773173] [2022-11-03 02:16:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:25,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:25,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117773173] [2022-11-03 02:16:25,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117773173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:25,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:25,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:25,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96508783] [2022-11-03 02:16:25,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:25,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:25,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:25,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:25,721 INFO L87 Difference]: Start difference. First operand 30907 states and 66334 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:29,002 INFO L93 Difference]: Finished difference Result 59977 states and 128756 transitions. [2022-11-03 02:16:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:16:29,003 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 02:16:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:29,124 INFO L225 Difference]: With dead ends: 59977 [2022-11-03 02:16:29,124 INFO L226 Difference]: Without dead ends: 59977 [2022-11-03 02:16:29,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:16:29,126 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 340 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 2523 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:29,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 640 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2523 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:16:29,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59977 states. [2022-11-03 02:16:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59977 to 30357. [2022-11-03 02:16:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30357 states, 30289 states have (on average 2.153719171976625) internal successors, (65234), 30356 states have internal predecessors, (65234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30357 states to 30357 states and 65234 transitions. [2022-11-03 02:16:30,004 INFO L78 Accepts]: Start accepts. Automaton has 30357 states and 65234 transitions. Word has length 26 [2022-11-03 02:16:30,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:30,005 INFO L495 AbstractCegarLoop]: Abstraction has 30357 states and 65234 transitions. [2022-11-03 02:16:30,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 30357 states and 65234 transitions. [2022-11-03 02:16:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 02:16:30,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:30,006 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:30,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:16:30,006 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1521387459, now seen corresponding path program 1 times [2022-11-03 02:16:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:30,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259303816] [2022-11-03 02:16:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:30,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:30,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259303816] [2022-11-03 02:16:30,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259303816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:30,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:30,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:16:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762827876] [2022-11-03 02:16:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:30,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:30,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:30,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:30,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:30,736 INFO L87 Difference]: Start difference. First operand 30357 states and 65234 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:32,069 INFO L93 Difference]: Finished difference Result 32263 states and 69065 transitions. [2022-11-03 02:16:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:16:32,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-03 02:16:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:32,132 INFO L225 Difference]: With dead ends: 32263 [2022-11-03 02:16:32,132 INFO L226 Difference]: Without dead ends: 32263 [2022-11-03 02:16:32,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:32,133 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:32,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 75 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:16:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32263 states. [2022-11-03 02:16:32,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32263 to 32263. [2022-11-03 02:16:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32263 states, 32195 states have (on average 2.1452088833669825) internal successors, (69065), 32262 states have internal predecessors, (69065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32263 states to 32263 states and 69065 transitions. [2022-11-03 02:16:32,609 INFO L78 Accepts]: Start accepts. Automaton has 32263 states and 69065 transitions. Word has length 27 [2022-11-03 02:16:32,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:32,609 INFO L495 AbstractCegarLoop]: Abstraction has 32263 states and 69065 transitions. [2022-11-03 02:16:32,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32263 states and 69065 transitions. [2022-11-03 02:16:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:16:32,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:32,610 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:32,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:16:32,610 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:32,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:32,611 INFO L85 PathProgramCache]: Analyzing trace with hash -533058305, now seen corresponding path program 1 times [2022-11-03 02:16:32,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:32,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812416539] [2022-11-03 02:16:32,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:32,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:33,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:33,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812416539] [2022-11-03 02:16:33,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812416539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:33,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:33,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:16:33,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024933795] [2022-11-03 02:16:33,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:33,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:33,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:33,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:33,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:33,744 INFO L87 Difference]: Start difference. First operand 32263 states and 69065 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:35,511 INFO L93 Difference]: Finished difference Result 34631 states and 74125 transitions. [2022-11-03 02:16:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:16:35,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-03 02:16:35,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:35,575 INFO L225 Difference]: With dead ends: 34631 [2022-11-03 02:16:35,575 INFO L226 Difference]: Without dead ends: 34631 [2022-11-03 02:16:35,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:35,576 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 124 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:35,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 83 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:16:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34631 states. [2022-11-03 02:16:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34631 to 34631. [2022-11-03 02:16:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34631 states, 34563 states have (on average 2.1446344356682) internal successors, (74125), 34630 states have internal predecessors, (74125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34631 states to 34631 states and 74125 transitions. [2022-11-03 02:16:36,089 INFO L78 Accepts]: Start accepts. Automaton has 34631 states and 74125 transitions. Word has length 28 [2022-11-03 02:16:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:36,089 INFO L495 AbstractCegarLoop]: Abstraction has 34631 states and 74125 transitions. [2022-11-03 02:16:36,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34631 states and 74125 transitions. [2022-11-03 02:16:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:16:36,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:36,090 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:36,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:16:36,090 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:36,091 INFO L85 PathProgramCache]: Analyzing trace with hash -700795917, now seen corresponding path program 1 times [2022-11-03 02:16:36,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:36,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793294963] [2022-11-03 02:16:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:37,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:37,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793294963] [2022-11-03 02:16:37,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793294963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:37,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:37,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296459665] [2022-11-03 02:16:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:37,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:37,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:37,333 INFO L87 Difference]: Start difference. First operand 34631 states and 74125 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:40,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:40,816 INFO L93 Difference]: Finished difference Result 66785 states and 143006 transitions. [2022-11-03 02:16:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:16:40,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:16:40,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:40,953 INFO L225 Difference]: With dead ends: 66785 [2022-11-03 02:16:40,954 INFO L226 Difference]: Without dead ends: 66785 [2022-11-03 02:16:40,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:16:40,954 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 501 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:40,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 395 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:16:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66785 states. [2022-11-03 02:16:41,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66785 to 36016. [2022-11-03 02:16:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36016 states, 35949 states have (on average 2.137750702383933) internal successors, (76850), 36015 states have internal predecessors, (76850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36016 states to 36016 states and 76850 transitions. [2022-11-03 02:16:41,835 INFO L78 Accepts]: Start accepts. Automaton has 36016 states and 76850 transitions. Word has length 32 [2022-11-03 02:16:41,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:41,835 INFO L495 AbstractCegarLoop]: Abstraction has 36016 states and 76850 transitions. [2022-11-03 02:16:41,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36016 states and 76850 transitions. [2022-11-03 02:16:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:16:41,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:41,836 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:41,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:16:41,837 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:41,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:41,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1628318029, now seen corresponding path program 1 times [2022-11-03 02:16:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:41,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619746460] [2022-11-03 02:16:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:42,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:42,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619746460] [2022-11-03 02:16:42,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619746460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:42,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:42,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:42,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86634862] [2022-11-03 02:16:42,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:42,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:42,834 INFO L87 Difference]: Start difference. First operand 36016 states and 76850 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:46,462 INFO L93 Difference]: Finished difference Result 66657 states and 142678 transitions. [2022-11-03 02:16:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:16:46,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:16:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:46,608 INFO L225 Difference]: With dead ends: 66657 [2022-11-03 02:16:46,608 INFO L226 Difference]: Without dead ends: 66657 [2022-11-03 02:16:46,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:16:46,609 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 519 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:46,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 384 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:16:46,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66657 states. [2022-11-03 02:16:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66657 to 36096. [2022-11-03 02:16:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36096 states, 36029 states have (on average 2.1374448361042493) internal successors, (77010), 36095 states have internal predecessors, (77010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36096 states to 36096 states and 77010 transitions. [2022-11-03 02:16:47,427 INFO L78 Accepts]: Start accepts. Automaton has 36096 states and 77010 transitions. Word has length 32 [2022-11-03 02:16:47,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:47,428 INFO L495 AbstractCegarLoop]: Abstraction has 36096 states and 77010 transitions. [2022-11-03 02:16:47,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 36096 states and 77010 transitions. [2022-11-03 02:16:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:16:47,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:47,429 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:47,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:16:47,430 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:47,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:47,430 INFO L85 PathProgramCache]: Analyzing trace with hash 768608531, now seen corresponding path program 2 times [2022-11-03 02:16:47,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:47,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001620842] [2022-11-03 02:16:47,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:47,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:48,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:48,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001620842] [2022-11-03 02:16:48,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001620842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:48,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:48,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:48,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608348114] [2022-11-03 02:16:48,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:48,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:48,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:48,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:48,527 INFO L87 Difference]: Start difference. First operand 36096 states and 77010 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:51,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:51,771 INFO L93 Difference]: Finished difference Result 38200 states and 81879 transitions. [2022-11-03 02:16:51,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:16:51,771 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:16:51,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:51,851 INFO L225 Difference]: With dead ends: 38200 [2022-11-03 02:16:51,851 INFO L226 Difference]: Without dead ends: 38200 [2022-11-03 02:16:51,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:16:51,853 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 288 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:51,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 407 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:16:51,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38200 states. [2022-11-03 02:16:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38200 to 36096. [2022-11-03 02:16:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36096 states, 36029 states have (on average 2.1374448361042493) internal successors, (77010), 36095 states have internal predecessors, (77010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36096 states to 36096 states and 77010 transitions. [2022-11-03 02:16:52,624 INFO L78 Accepts]: Start accepts. Automaton has 36096 states and 77010 transitions. Word has length 32 [2022-11-03 02:16:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:52,625 INFO L495 AbstractCegarLoop]: Abstraction has 36096 states and 77010 transitions. [2022-11-03 02:16:52,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36096 states and 77010 transitions. [2022-11-03 02:16:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:16:52,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:52,627 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:52,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:16:52,629 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash 774432191, now seen corresponding path program 3 times [2022-11-03 02:16:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:52,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763908330] [2022-11-03 02:16:52,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:53,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:53,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763908330] [2022-11-03 02:16:53,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763908330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:53,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:53,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:53,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395851997] [2022-11-03 02:16:53,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:53,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:53,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:53,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:53,866 INFO L87 Difference]: Start difference. First operand 36096 states and 77010 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:57,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:57,258 INFO L93 Difference]: Finished difference Result 38501 states and 82490 transitions. [2022-11-03 02:16:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:16:57,258 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:16:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:57,340 INFO L225 Difference]: With dead ends: 38501 [2022-11-03 02:16:57,340 INFO L226 Difference]: Without dead ends: 38501 [2022-11-03 02:16:57,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:16:57,341 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 295 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:57,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 406 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2338 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 02:16:57,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38501 states. [2022-11-03 02:16:57,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38501 to 36206. [2022-11-03 02:16:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36206 states, 36139 states have (on average 2.1370264810869144) internal successors, (77230), 36205 states have internal predecessors, (77230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36206 states to 36206 states and 77230 transitions. [2022-11-03 02:16:57,978 INFO L78 Accepts]: Start accepts. Automaton has 36206 states and 77230 transitions. Word has length 32 [2022-11-03 02:16:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:57,978 INFO L495 AbstractCegarLoop]: Abstraction has 36206 states and 77230 transitions. [2022-11-03 02:16:57,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:16:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 36206 states and 77230 transitions. [2022-11-03 02:16:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:16:57,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:57,979 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:57,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:16:57,980 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:16:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:57,981 INFO L85 PathProgramCache]: Analyzing trace with hash 955859381, now seen corresponding path program 4 times [2022-11-03 02:16:57,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:57,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219354876] [2022-11-03 02:16:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:16:59,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:59,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219354876] [2022-11-03 02:16:59,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219354876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:59,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:59,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:16:59,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779948691] [2022-11-03 02:16:59,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:59,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:16:59,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:59,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:16:59,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:16:59,154 INFO L87 Difference]: Start difference. First operand 36206 states and 77230 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:02,791 INFO L93 Difference]: Finished difference Result 38842 states and 83191 transitions. [2022-11-03 02:17:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:17:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:02,872 INFO L225 Difference]: With dead ends: 38842 [2022-11-03 02:17:02,873 INFO L226 Difference]: Without dead ends: 38842 [2022-11-03 02:17:02,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:17:02,873 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 241 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:02,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 406 Invalid, 2666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:17:02,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38842 states. [2022-11-03 02:17:03,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38842 to 36316. [2022-11-03 02:17:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36316 states, 36249 states have (on average 2.1366106651217964) internal successors, (77450), 36315 states have internal predecessors, (77450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36316 states to 36316 states and 77450 transitions. [2022-11-03 02:17:03,484 INFO L78 Accepts]: Start accepts. Automaton has 36316 states and 77450 transitions. Word has length 32 [2022-11-03 02:17:03,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:03,484 INFO L495 AbstractCegarLoop]: Abstraction has 36316 states and 77450 transitions. [2022-11-03 02:17:03,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 36316 states and 77450 transitions. [2022-11-03 02:17:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:17:03,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:03,485 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:03,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:17:03,486 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:03,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:03,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1982126691, now seen corresponding path program 5 times [2022-11-03 02:17:03,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:03,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605503255] [2022-11-03 02:17:03,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:03,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:04,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:04,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605503255] [2022-11-03 02:17:04,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605503255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:04,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:04,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:17:04,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405482926] [2022-11-03 02:17:04,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:04,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:17:04,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:17:04,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:17:04,760 INFO L87 Difference]: Start difference. First operand 36316 states and 77450 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:07,704 INFO L93 Difference]: Finished difference Result 39184 states and 83893 transitions. [2022-11-03 02:17:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:17:07,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:07,782 INFO L225 Difference]: With dead ends: 39184 [2022-11-03 02:17:07,782 INFO L226 Difference]: Without dead ends: 39184 [2022-11-03 02:17:07,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:17:07,783 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 217 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:07,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 400 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:17:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39184 states. [2022-11-03 02:17:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39184 to 36426. [2022-11-03 02:17:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36426 states, 36359 states have (on average 2.1361973651640582) internal successors, (77670), 36425 states have internal predecessors, (77670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36426 states to 36426 states and 77670 transitions. [2022-11-03 02:17:08,455 INFO L78 Accepts]: Start accepts. Automaton has 36426 states and 77670 transitions. Word has length 32 [2022-11-03 02:17:08,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:08,455 INFO L495 AbstractCegarLoop]: Abstraction has 36426 states and 77670 transitions. [2022-11-03 02:17:08,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 36426 states and 77670 transitions. [2022-11-03 02:17:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:17:08,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:08,457 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:08,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:17:08,457 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:08,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:08,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1140496895, now seen corresponding path program 6 times [2022-11-03 02:17:08,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:08,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101258900] [2022-11-03 02:17:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:08,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:09,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:09,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101258900] [2022-11-03 02:17:09,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101258900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:09,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:09,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:17:09,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097458061] [2022-11-03 02:17:09,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:09,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:17:09,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:17:09,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:17:09,560 INFO L87 Difference]: Start difference. First operand 36426 states and 77670 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:13,586 INFO L93 Difference]: Finished difference Result 70750 states and 151484 transitions. [2022-11-03 02:17:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:17:13,586 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:13,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:13,736 INFO L225 Difference]: With dead ends: 70750 [2022-11-03 02:17:13,736 INFO L226 Difference]: Without dead ends: 70750 [2022-11-03 02:17:13,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:17:13,737 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 428 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:13,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 652 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:17:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70750 states. [2022-11-03 02:17:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70750 to 37126. [2022-11-03 02:17:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37126 states, 37059 states have (on average 2.1336247605170136) internal successors, (79070), 37125 states have internal predecessors, (79070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37126 states to 37126 states and 79070 transitions. [2022-11-03 02:17:14,871 INFO L78 Accepts]: Start accepts. Automaton has 37126 states and 79070 transitions. Word has length 32 [2022-11-03 02:17:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:14,871 INFO L495 AbstractCegarLoop]: Abstraction has 37126 states and 79070 transitions. [2022-11-03 02:17:14,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 37126 states and 79070 transitions. [2022-11-03 02:17:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:17:14,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:14,873 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:14,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:17:14,873 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:14,873 INFO L85 PathProgramCache]: Analyzing trace with hash -281172711, now seen corresponding path program 2 times [2022-11-03 02:17:14,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:14,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732495802] [2022-11-03 02:17:14,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:14,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:16,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:16,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732495802] [2022-11-03 02:17:16,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732495802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:16,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:16,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:17:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805041804] [2022-11-03 02:17:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:16,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:17:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:17:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:17:16,217 INFO L87 Difference]: Start difference. First operand 37126 states and 79070 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:20,617 INFO L93 Difference]: Finished difference Result 69616 states and 148981 transitions. [2022-11-03 02:17:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:17:20,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:20,763 INFO L225 Difference]: With dead ends: 69616 [2022-11-03 02:17:20,763 INFO L226 Difference]: Without dead ends: 69616 [2022-11-03 02:17:20,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:17:20,764 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 426 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 3331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:20,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 618 Invalid, 3331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 3275 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:17:20,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69616 states. [2022-11-03 02:17:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69616 to 36218. [2022-11-03 02:17:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36218 states, 36152 states have (on average 2.136036733790662) internal successors, (77222), 36217 states have internal predecessors, (77222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36218 states to 36218 states and 77222 transitions. [2022-11-03 02:17:21,739 INFO L78 Accepts]: Start accepts. Automaton has 36218 states and 77222 transitions. Word has length 32 [2022-11-03 02:17:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:21,740 INFO L495 AbstractCegarLoop]: Abstraction has 36218 states and 77222 transitions. [2022-11-03 02:17:21,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 36218 states and 77222 transitions. [2022-11-03 02:17:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:17:21,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:21,742 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:21,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:17:21,742 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1334671191, now seen corresponding path program 7 times [2022-11-03 02:17:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894614605] [2022-11-03 02:17:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:21,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:22,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:22,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894614605] [2022-11-03 02:17:22,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894614605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:22,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:22,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:17:22,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997019870] [2022-11-03 02:17:22,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:22,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:17:22,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:22,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:17:22,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:17:22,952 INFO L87 Difference]: Start difference. First operand 36218 states and 77222 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:27,031 INFO L93 Difference]: Finished difference Result 66411 states and 142142 transitions. [2022-11-03 02:17:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:17:27,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:27,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:27,176 INFO L225 Difference]: With dead ends: 66411 [2022-11-03 02:17:27,176 INFO L226 Difference]: Without dead ends: 66411 [2022-11-03 02:17:27,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:17:27,177 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 371 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 2857 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:27,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 671 Invalid, 2905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2857 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:17:27,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66411 states. [2022-11-03 02:17:28,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66411 to 35443. [2022-11-03 02:17:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35443 states, 35378 states have (on average 2.1376844366555487) internal successors, (75627), 35442 states have internal predecessors, (75627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35443 states to 35443 states and 75627 transitions. [2022-11-03 02:17:28,206 INFO L78 Accepts]: Start accepts. Automaton has 35443 states and 75627 transitions. Word has length 32 [2022-11-03 02:17:28,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:28,207 INFO L495 AbstractCegarLoop]: Abstraction has 35443 states and 75627 transitions. [2022-11-03 02:17:28,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 35443 states and 75627 transitions. [2022-11-03 02:17:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:17:28,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:28,208 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:28,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:17:28,208 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:28,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:28,209 INFO L85 PathProgramCache]: Analyzing trace with hash 407149079, now seen corresponding path program 3 times [2022-11-03 02:17:28,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:28,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896557956] [2022-11-03 02:17:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:28,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:29,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:29,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896557956] [2022-11-03 02:17:29,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896557956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:29,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:29,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:17:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389345468] [2022-11-03 02:17:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:29,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:17:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:17:29,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:17:29,204 INFO L87 Difference]: Start difference. First operand 35443 states and 75627 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:33,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:33,657 INFO L93 Difference]: Finished difference Result 66684 states and 142544 transitions. [2022-11-03 02:17:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:17:33,659 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-03 02:17:33,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:33,818 INFO L225 Difference]: With dead ends: 66684 [2022-11-03 02:17:33,818 INFO L226 Difference]: Without dead ends: 66684 [2022-11-03 02:17:33,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:17:33,818 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 332 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 3569 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 3625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 3569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:33,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 648 Invalid, 3625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 3569 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 02:17:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66684 states. [2022-11-03 02:17:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66684 to 34233. [2022-11-03 02:17:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34233 states, 34168 states have (on average 2.1425602903301333) internal successors, (73207), 34232 states have internal predecessors, (73207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34233 states to 34233 states and 73207 transitions. [2022-11-03 02:17:34,684 INFO L78 Accepts]: Start accepts. Automaton has 34233 states and 73207 transitions. Word has length 32 [2022-11-03 02:17:34,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:34,685 INFO L495 AbstractCegarLoop]: Abstraction has 34233 states and 73207 transitions. [2022-11-03 02:17:34,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 34233 states and 73207 transitions. [2022-11-03 02:17:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 02:17:34,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:34,686 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:34,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:17:34,686 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:34,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1112205688, now seen corresponding path program 1 times [2022-11-03 02:17:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:34,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334438251] [2022-11-03 02:17:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:35,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:35,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334438251] [2022-11-03 02:17:35,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334438251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:35,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:35,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:17:35,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010376114] [2022-11-03 02:17:35,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:35,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:17:35,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:35,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:17:35,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:35,530 INFO L87 Difference]: Start difference. First operand 34233 states and 73207 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:36,977 INFO L93 Difference]: Finished difference Result 47648 states and 101495 transitions. [2022-11-03 02:17:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:36,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-03 02:17:36,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:37,078 INFO L225 Difference]: With dead ends: 47648 [2022-11-03 02:17:37,078 INFO L226 Difference]: Without dead ends: 47648 [2022-11-03 02:17:37,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:37,079 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 116 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:37,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 53 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:17:37,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47648 states. [2022-11-03 02:17:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47648 to 37799. [2022-11-03 02:17:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37799 states, 37734 states have (on average 2.130518895425876) internal successors, (80393), 37798 states have internal predecessors, (80393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37799 states to 37799 states and 80393 transitions. [2022-11-03 02:17:37,955 INFO L78 Accepts]: Start accepts. Automaton has 37799 states and 80393 transitions. Word has length 33 [2022-11-03 02:17:37,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:37,955 INFO L495 AbstractCegarLoop]: Abstraction has 37799 states and 80393 transitions. [2022-11-03 02:17:37,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37799 states and 80393 transitions. [2022-11-03 02:17:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-03 02:17:37,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:37,957 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:37,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 02:17:37,958 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:37,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1011845955, now seen corresponding path program 1 times [2022-11-03 02:17:37,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:37,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756488922] [2022-11-03 02:17:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:37,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:38,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:38,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756488922] [2022-11-03 02:17:38,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756488922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:38,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:38,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:17:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301280915] [2022-11-03 02:17:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:38,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:17:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:17:38,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:38,991 INFO L87 Difference]: Start difference. First operand 37799 states and 80393 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:40,682 INFO L93 Difference]: Finished difference Result 45171 states and 95938 transitions. [2022-11-03 02:17:40,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:40,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-03 02:17:40,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:40,774 INFO L225 Difference]: With dead ends: 45171 [2022-11-03 02:17:40,774 INFO L226 Difference]: Without dead ends: 45171 [2022-11-03 02:17:40,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:40,775 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 134 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:40,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 75 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:17:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45171 states. [2022-11-03 02:17:41,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45171 to 39957. [2022-11-03 02:17:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39957 states, 39894 states have (on average 2.1292174261793755) internal successors, (84943), 39956 states have internal predecessors, (84943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39957 states to 39957 states and 84943 transitions. [2022-11-03 02:17:41,866 INFO L78 Accepts]: Start accepts. Automaton has 39957 states and 84943 transitions. Word has length 34 [2022-11-03 02:17:41,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:41,866 INFO L495 AbstractCegarLoop]: Abstraction has 39957 states and 84943 transitions. [2022-11-03 02:17:41,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 39957 states and 84943 transitions. [2022-11-03 02:17:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-03 02:17:41,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:41,867 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:41,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:17:41,868 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:41,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash -80119861, now seen corresponding path program 1 times [2022-11-03 02:17:41,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:41,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024503952] [2022-11-03 02:17:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:41,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:17:46,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:46,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024503952] [2022-11-03 02:17:46,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024503952] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:17:46,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97140903] [2022-11-03 02:17:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:46,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:17:46,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:17:46,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:17:46,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:17:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:47,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:17:47,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:17:47,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:17:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:47,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:17:47,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97140903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:47,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:17:47,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 14 [2022-11-03 02:17:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619889152] [2022-11-03 02:17:47,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:47,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:17:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:47,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:17:47,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:17:47,809 INFO L87 Difference]: Start difference. First operand 39957 states and 84943 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:48,507 INFO L93 Difference]: Finished difference Result 64771 states and 136976 transitions. [2022-11-03 02:17:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:48,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-03 02:17:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:48,645 INFO L225 Difference]: With dead ends: 64771 [2022-11-03 02:17:48,645 INFO L226 Difference]: Without dead ends: 64771 [2022-11-03 02:17:48,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:17:48,646 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 490 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:48,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 268 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:17:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64771 states. [2022-11-03 02:17:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64771 to 36182. [2022-11-03 02:17:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36182 states, 36116 states have (on average 2.1262875179975635) internal successors, (76793), 36181 states have internal predecessors, (76793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36182 states to 36182 states and 76793 transitions. [2022-11-03 02:17:49,510 INFO L78 Accepts]: Start accepts. Automaton has 36182 states and 76793 transitions. Word has length 38 [2022-11-03 02:17:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:49,511 INFO L495 AbstractCegarLoop]: Abstraction has 36182 states and 76793 transitions. [2022-11-03 02:17:49,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 36182 states and 76793 transitions. [2022-11-03 02:17:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-03 02:17:49,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:49,511 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:49,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:17:49,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbda899-108c-40c8-a2f7-6ed0cc293192/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:17:49,716 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:49,716 INFO L85 PathProgramCache]: Analyzing trace with hash 641359528, now seen corresponding path program 1 times [2022-11-03 02:17:49,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:49,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315321425] [2022-11-03 02:17:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:49,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:50,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:50,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315321425] [2022-11-03 02:17:50,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315321425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:50,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:50,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:17:50,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547755752] [2022-11-03 02:17:50,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:50,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:17:50,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:50,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:17:50,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:50,915 INFO L87 Difference]: Start difference. First operand 36182 states and 76793 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:52,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:52,413 INFO L93 Difference]: Finished difference Result 38646 states and 81721 transitions. [2022-11-03 02:17:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:52,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-03 02:17:52,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:52,496 INFO L225 Difference]: With dead ends: 38646 [2022-11-03 02:17:52,496 INFO L226 Difference]: Without dead ends: 38646 [2022-11-03 02:17:52,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:52,497 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 96 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:52,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 76 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:17:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38646 states. [2022-11-03 02:17:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38646 to 37744. [2022-11-03 02:17:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37744 states, 37679 states have (on average 2.1205711404230474) internal successors, (79901), 37743 states have internal predecessors, (79901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37744 states to 37744 states and 79901 transitions. [2022-11-03 02:17:53,498 INFO L78 Accepts]: Start accepts. Automaton has 37744 states and 79901 transitions. Word has length 39 [2022-11-03 02:17:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:53,498 INFO L495 AbstractCegarLoop]: Abstraction has 37744 states and 79901 transitions. [2022-11-03 02:17:53,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 37744 states and 79901 transitions. [2022-11-03 02:17:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 02:17:53,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:53,500 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:53,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 02:17:53,500 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:53,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:53,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1678144980, now seen corresponding path program 1 times [2022-11-03 02:17:53,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:53,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35496317] [2022-11-03 02:17:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:53,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:54,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:54,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35496317] [2022-11-03 02:17:54,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35496317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:54,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:54,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:17:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348442744] [2022-11-03 02:17:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:54,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:17:54,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:54,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:17:54,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:54,665 INFO L87 Difference]: Start difference. First operand 37744 states and 79901 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:55,930 INFO L93 Difference]: Finished difference Result 40772 states and 86222 transitions. [2022-11-03 02:17:55,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:55,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-11-03 02:17:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:56,027 INFO L225 Difference]: With dead ends: 40772 [2022-11-03 02:17:56,028 INFO L226 Difference]: Without dead ends: 40772 [2022-11-03 02:17:56,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:56,029 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:56,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 79 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:17:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40772 states. [2022-11-03 02:17:56,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40772 to 39646. [2022-11-03 02:17:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39646 states, 39585 states have (on average 2.1188328912466843) internal successors, (83874), 39645 states have internal predecessors, (83874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39646 states to 39646 states and 83874 transitions. [2022-11-03 02:17:56,947 INFO L78 Accepts]: Start accepts. Automaton has 39646 states and 83874 transitions. Word has length 40 [2022-11-03 02:17:56,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:56,947 INFO L495 AbstractCegarLoop]: Abstraction has 39646 states and 83874 transitions. [2022-11-03 02:17:56,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:17:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 39646 states and 83874 transitions. [2022-11-03 02:17:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-03 02:17:56,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:56,949 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:17:56,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-03 02:17:56,949 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:17:56,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 149710261, now seen corresponding path program 1 times [2022-11-03 02:17:56,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:56,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749168929] [2022-11-03 02:17:56,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:56,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-03 02:17:57,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:57,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749168929] [2022-11-03 02:17:57,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749168929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:57,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:57,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:17:57,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528186637] [2022-11-03 02:17:57,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:57,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:17:57,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:17:57,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:57,905 INFO L87 Difference]: Start difference. First operand 39646 states and 83874 transitions. 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) [2022-11-03 02:17:58,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:58,935 INFO L93 Difference]: Finished difference Result 41231 states and 87068 transitions. [2022-11-03 02:17:58,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:17:58,936 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 45 [2022-11-03 02:17:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:59,019 INFO L225 Difference]: With dead ends: 41231 [2022-11-03 02:17:59,019 INFO L226 Difference]: Without dead ends: 41231 [2022-11-03 02:17:59,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:17:59,020 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 92 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:59,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 74 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 02:17:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41231 states. [2022-11-03 02:17:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41231 to 41231. [2022-11-03 02:17:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41231 states, 41170 states have (on average 2.114840903570561) internal successors, (87068), 41230 states have internal predecessors, (87068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41231 states to 41231 states and 87068 transitions. [2022-11-03 02:18:00,055 INFO L78 Accepts]: Start accepts. Automaton has 41231 states and 87068 transitions. Word has length 45 [2022-11-03 02:18:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:00,056 INFO L495 AbstractCegarLoop]: Abstraction has 41231 states and 87068 transitions. [2022-11-03 02:18:00,056 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) [2022-11-03 02:18:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 41231 states and 87068 transitions. [2022-11-03 02:18:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-03 02:18:00,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:00,057 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:18:00,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-03 02:18:00,057 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-03 02:18:00,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:00,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1407516433, now seen corresponding path program 1 times [2022-11-03 02:18:00,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:00,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430602691] [2022-11-03 02:18:00,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat