/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 01:52:24,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 01:52:24,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 01:52:24,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 01:52:24,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 01:52:24,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 01:52:24,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 01:52:24,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 01:52:24,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 01:52:24,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 01:52:24,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 01:52:24,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 01:52:24,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 01:52:24,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 01:52:24,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 01:52:24,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 01:52:24,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 01:52:24,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 01:52:24,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 01:52:24,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 01:52:25,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 01:52:25,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 01:52:25,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 01:52:25,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 01:52:25,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 01:52:25,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 01:52:25,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 01:52:25,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 01:52:25,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 01:52:25,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 01:52:25,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 01:52:25,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 01:52:25,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 01:52:25,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 01:52:25,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 01:52:25,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 01:52:25,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 01:52:25,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 01:52:25,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 01:52:25,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 01:52:25,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 01:52:25,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 01:52:25,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 01:52:25,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 01:52:25,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 01:52:25,064 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 01:52:25,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 01:52:25,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 01:52:25,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 01:52:25,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 01:52:25,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 01:52:25,067 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 01:52:25,067 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 01:52:25,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 01:52:25,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 01:52:25,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 01:52:25,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 01:52:25,293 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 01:52:25,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2022-03-02 01:52:25,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c816a663f/27e126154de04a19aab73fd8c79fdc32/FLAG3065ef543 [2022-03-02 01:52:25,823 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 01:52:25,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2022-03-02 01:52:25,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c816a663f/27e126154de04a19aab73fd8c79fdc32/FLAG3065ef543 [2022-03-02 01:52:26,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c816a663f/27e126154de04a19aab73fd8c79fdc32 [2022-03-02 01:52:26,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 01:52:26,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 01:52:26,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 01:52:26,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 01:52:26,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 01:52:26,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c883562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26, skipping insertion in model container [2022-03-02 01:52:26,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 01:52:26,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 01:52:26,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2022-03-02 01:52:26,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 01:52:26,657 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 01:52:26,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41322,41335] [2022-03-02 01:52:26,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 01:52:26,760 INFO L208 MainTranslator]: Completed translation [2022-03-02 01:52:26,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26 WrapperNode [2022-03-02 01:52:26,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 01:52:26,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 01:52:26,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 01:52:26,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 01:52:26,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,816 INFO L137 Inliner]: procedures = 270, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-03-02 01:52:26,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 01:52:26,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 01:52:26,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 01:52:26,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 01:52:26,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 01:52:26,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 01:52:26,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 01:52:26,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 01:52:26,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (1/1) ... [2022-03-02 01:52:26,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 01:52:26,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:26,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 01:52:26,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 01:52:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 01:52:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-02 01:52:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 01:52:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 01:52:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 01:52:26,927 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 01:52:27,041 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 01:52:27,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 01:52:27,213 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 01:52:27,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 01:52:27,218 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-03-02 01:52:27,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 01:52:27 BoogieIcfgContainer [2022-03-02 01:52:27,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 01:52:27,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 01:52:27,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 01:52:27,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 01:52:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 01:52:26" (1/3) ... [2022-03-02 01:52:27,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbebaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 01:52:27, skipping insertion in model container [2022-03-02 01:52:27,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 01:52:26" (2/3) ... [2022-03-02 01:52:27,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbebaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 01:52:27, skipping insertion in model container [2022-03-02 01:52:27,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 01:52:27" (3/3) ... [2022-03-02 01:52:27,225 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_07-cond_racing2.i [2022-03-02 01:52:27,228 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 01:52:27,228 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 01:52:27,228 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 01:52:27,228 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 01:52:27,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:27,271 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-02 01:52:27,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 01:52:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:27,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 01:52:27,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 01:52:27,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 01:52:27,340 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 01:52:27,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-02 01:52:27,403 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:27,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:27,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:27,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1506802186, now seen corresponding path program 1 times [2022-03-02 01:52:27,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:27,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126431975] [2022-03-02 01:52:27,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:27,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:27,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126431975] [2022-03-02 01:52:27,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126431975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:27,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:27,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 01:52:27,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110985686] [2022-03-02 01:52:27,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:27,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 01:52:27,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:27,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 01:52:27,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 01:52:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,720 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:27,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:27,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,740 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 01:52:27,741 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1280613301, now seen corresponding path program 1 times [2022-03-02 01:52:27,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:27,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704001802] [2022-03-02 01:52:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:27,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:27,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:27,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704001802] [2022-03-02 01:52:27,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704001802] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:27,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:27,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 01:52:27,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106020043] [2022-03-02 01:52:27,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:27,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 01:52:27,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:27,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 01:52:27,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 01:52:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:27,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:27,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,885 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-03-02 01:52:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:27,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 01:52:27,886 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:27,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash -500091251, now seen corresponding path program 1 times [2022-03-02 01:52:27,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:27,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459606701] [2022-03-02 01:52:27,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:27,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:27,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:27,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459606701] [2022-03-02 01:52:27,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459606701] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 01:52:27,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107927381] [2022-03-02 01:52:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 01:52:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:27,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 01:52:28,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 01:52:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:28,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 01:52:28,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 01:52:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:28,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 01:52:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:28,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107927381] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 01:52:28,385 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 01:52:28,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-02 01:52:28,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787013108] [2022-03-02 01:52:28,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 01:52:28,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-02 01:52:28,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:28,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-02 01:52:28,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-02 01:52:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:28,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,454 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-03-02 01:52:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:28,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-02 01:52:28,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 01:52:28,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-02 01:52:28,663 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1426448650, now seen corresponding path program 1 times [2022-03-02 01:52:28,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:28,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531899230] [2022-03-02 01:52:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 01:52:28,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 01:52:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 01:52:28,722 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 01:52:28,722 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 01:52:28,723 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-02 01:52:28,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-02 01:52:28,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-02 01:52:28,731 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-02 01:52:28,732 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-02 01:52:28,733 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,757 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,758 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:28,764 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 01:52:28,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 01:52:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:28,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 01:52:28,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-03-02 01:52:28,812 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 01:52:28,813 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 01:52:28,813 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-02 01:52:28,824 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:28,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:28,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:28,825 INFO L85 PathProgramCache]: Analyzing trace with hash 753145417, now seen corresponding path program 1 times [2022-03-02 01:52:28,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:28,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008375737] [2022-03-02 01:52:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:28,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:28,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008375737] [2022-03-02 01:52:28,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008375737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:28,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:28,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 01:52:28,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174622709] [2022-03-02 01:52:28,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:28,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 01:52:28,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:28,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 01:52:28,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 01:52:28,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,859 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:28,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:28,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,862 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:28,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-02 01:52:28,863 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:28,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:28,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2034270070, now seen corresponding path program 1 times [2022-03-02 01:52:28,863 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:28,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049446897] [2022-03-02 01:52:28,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:28,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:28,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:28,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049446897] [2022-03-02 01:52:28,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049446897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:28,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:28,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 01:52:28,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975392104] [2022-03-02 01:52:28,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:28,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 01:52:28,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:28,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 01:52:28,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 01:52:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,907 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:28,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,927 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-03-02 01:52:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:28,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-02 01:52:28,927 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1026219400, now seen corresponding path program 1 times [2022-03-02 01:52:28,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:28,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875895912] [2022-03-02 01:52:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:28,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:29,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875895912] [2022-03-02 01:52:29,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875895912] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 01:52:29,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72241324] [2022-03-02 01:52:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 01:52:29,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:29,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 01:52:29,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 01:52:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:29,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 01:52:29,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 01:52:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 01:52:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72241324] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 01:52:29,299 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 01:52:29,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-02 01:52:29,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011294895] [2022-03-02 01:52:29,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 01:52:29,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-02 01:52:29,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:29,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-02 01:52:29,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-02 01:52:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:29,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:29,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:29,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,386 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 105 transitions and produced 106 states. [2022-03-02 01:52:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 01:52:29,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 01:52:29,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 01:52:29,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1133667776, now seen corresponding path program 1 times [2022-03-02 01:52:29,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:29,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659776401] [2022-03-02 01:52:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 01:52:29,639 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 01:52:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 01:52:29,663 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 01:52:29,663 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 01:52:29,663 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-02 01:52:29,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-02 01:52:29,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-02 01:52:29,664 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-02 01:52:29,665 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-02 01:52:29,665 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-02 01:52:29,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,717 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,726 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 01:52:29,732 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 01:52:29,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 01:52:29,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:29,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 01:52:29,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 01:52:29,752 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 01:52:29,753 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-02 01:52:29,762 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:29,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:29,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-03-02 01:52:29,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash 100400614, now seen corresponding path program 1 times [2022-03-02 01:52:29,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:29,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879090940] [2022-03-02 01:52:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:29,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879090940] [2022-03-02 01:52:29,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879090940] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:29,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:29,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 01:52:29,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690855346] [2022-03-02 01:52:29,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:29,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 01:52:29,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 01:52:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 01:52:29,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:29,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,822 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-03-02 01:52:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-02 01:52:29,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:29,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:29,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1607952423, now seen corresponding path program 1 times [2022-03-02 01:52:29,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:29,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60759802] [2022-03-02 01:52:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:29,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60759802] [2022-03-02 01:52:29,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60759802] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:29,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:29,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 01:52:29,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622906356] [2022-03-02 01:52:29,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:29,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 01:52:29,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 01:52:29,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 01:52:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:29,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,887 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-03-02 01:52:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:29,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-02 01:52:29,888 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:29,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash -788208351, now seen corresponding path program 1 times [2022-03-02 01:52:29,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:29,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565408028] [2022-03-02 01:52:29,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:29,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:29,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565408028] [2022-03-02 01:52:29,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565408028] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 01:52:29,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104063200] [2022-03-02 01:52:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:29,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 01:52:29,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 01:52:29,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 01:52:29,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 01:52:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:30,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-02 01:52:30,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 01:52:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:30,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 01:52:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 01:52:30,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104063200] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 01:52:30,227 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 01:52:30,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-02 01:52:30,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340927112] [2022-03-02 01:52:30,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 01:52:30,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-02 01:52:30,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:30,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-02 01:52:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-02 01:52:30,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,230 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:30,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:30,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:30,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,315 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 190 transitions and produced 191 states. [2022-03-02 01:52:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-02 01:52:30,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-02 01:52:30,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 01:52:30,521 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 01:52:30,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 01:52:30,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1190125784, now seen corresponding path program 1 times [2022-03-02 01:52:30,522 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 01:52:30,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955876228] [2022-03-02 01:52:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 01:52:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 01:52:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 01:52:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-02 01:52:30,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 01:52:30,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955876228] [2022-03-02 01:52:30,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955876228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 01:52:30,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 01:52:30,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-02 01:52:30,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23262682] [2022-03-02 01:52:30,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 01:52:30,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-02 01:52:30,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 01:52:30,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-02 01:52:30,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-02 01:52:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 01:52:30,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 01:52:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 01:52:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 01:52:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-02 01:52:30,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.