/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:11:00,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:11:00,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:11:00,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:11:00,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 15:11:00,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 15:11:00,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 15:11:00,344 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-FA-NoLbe.epf [2022-03-01 15:11:00,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:11:00,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:11:00,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:11:00,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:11:00,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:11:00,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:11:00,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:11:00,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:11:00,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:11:00,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:11:00,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:11:00,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:11:00,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:11:00,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:11:00,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:11:00,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:11:00,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:11:00,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:11:00,553 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:11:00,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2022-03-01 15:11:00,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b433867/ad9962399d6141d09f24da1ad9c02b60/FLAG35c97a568 [2022-03-01 15:11:01,044 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:11:01,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2022-03-01 15:11:01,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b433867/ad9962399d6141d09f24da1ad9c02b60/FLAG35c97a568 [2022-03-01 15:11:01,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b433867/ad9962399d6141d09f24da1ad9c02b60 [2022-03-01 15:11:01,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:11:01,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:11:01,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:11:01,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:11:01,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:11:01,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f12c67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01, skipping insertion in model container [2022-03-01 15:11:01,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:11:01,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:11:01,417 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_21-deref_read_racing.i[30176,30189] [2022-03-01 15:11:01,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:11:01,445 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:11:01,475 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_21-deref_read_racing.i[30176,30189] [2022-03-01 15:11:01,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:11:01,515 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:11:01,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01 WrapperNode [2022-03-01 15:11:01,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:11:01,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:11:01,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:11:01,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:11:01,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,565 INFO L137 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-03-01 15:11:01,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:11:01,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:11:01,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:11:01,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:11:01,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:11:01,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:11:01,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:11:01,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:11:01,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (1/1) ... [2022-03-01 15:11:01,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:11:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:11:01,653 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) [2022-03-01 15:11:01,676 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 [2022-03-01 15:11:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 15:11:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:11:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 15:11:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:11:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:11:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 15:11:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 15:11:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:11:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:11:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:11:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:11:01,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:11:01,772 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:11:01,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:11:01,973 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:11:01,978 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:11:01,979 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-03-01 15:11:01,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:11:01 BoogieIcfgContainer [2022-03-01 15:11:01,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:11:01,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:11:01,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:11:01,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:11:01,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:11:01" (1/3) ... [2022-03-01 15:11:01,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f665637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:11:01, skipping insertion in model container [2022-03-01 15:11:01,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:11:01" (2/3) ... [2022-03-01 15:11:01,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f665637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:11:01, skipping insertion in model container [2022-03-01 15:11:01,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:11:01" (3/3) ... [2022-03-01 15:11:01,985 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2022-03-01 15:11:01,989 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:11:01,989 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:11:01,989 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:11:01,989 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:11:02,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,016 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,016 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,029 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 15:11:02,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:11:02,059 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrOverapproximateWrwc=true [2022-03-01 15:11:02,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 15:11:02,066 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 103 transitions, 211 flow [2022-03-01 15:11:02,130 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 783 states, 780 states have (on average 2.1846153846153844) internal successors, (1704), 782 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 783 states, 780 states have (on average 2.1846153846153844) internal successors, (1704), 782 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 15:11:02,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:02,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:02,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:02,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:02,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1011992479, now seen corresponding path program 1 times [2022-03-01 15:11:02,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:02,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273660478] [2022-03-01 15:11:02,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:02,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:02,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:11:02,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273660478] [2022-03-01 15:11:02,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273660478] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:11:02,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:11:02,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 15:11:02,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495453546] [2022-03-01 15:11:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:11:02,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 15:11:02,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:11:02,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 15:11:02,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:11:02,367 INFO L87 Difference]: Start difference. First operand has 783 states, 780 states have (on average 2.1846153846153844) internal successors, (1704), 782 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:11:02,403 INFO L93 Difference]: Finished difference Result 755 states and 1404 transitions. [2022-03-01 15:11:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 15:11:02,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 15:11:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:11:02,420 INFO L225 Difference]: With dead ends: 755 [2022-03-01 15:11:02,420 INFO L226 Difference]: Without dead ends: 643 [2022-03-01 15:11:02,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:11:02,427 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:11:02,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:11:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-03-01 15:11:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2022-03-01 15:11:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 640 states have (on average 1.85625) internal successors, (1188), 642 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1188 transitions. [2022-03-01 15:11:02,511 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1188 transitions. Word has length 44 [2022-03-01 15:11:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:11:02,512 INFO L470 AbstractCegarLoop]: Abstraction has 643 states and 1188 transitions. [2022-03-01 15:11:02,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1188 transitions. [2022-03-01 15:11:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 15:11:02,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:02,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:02,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:11:02,513 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1486023458, now seen corresponding path program 1 times [2022-03-01 15:11:02,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:02,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782277665] [2022-03-01 15:11:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:02,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:11:02,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782277665] [2022-03-01 15:11:02,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782277665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:11:02,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:11:02,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:11:02,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538381690] [2022-03-01 15:11:02,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:11:02,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:11:02,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:11:02,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:11:02,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:11:02,607 INFO L87 Difference]: Start difference. First operand 643 states and 1188 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:11:02,637 INFO L93 Difference]: Finished difference Result 632 states and 1177 transitions. [2022-03-01 15:11:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:11:02,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 15:11:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:11:02,641 INFO L225 Difference]: With dead ends: 632 [2022-03-01 15:11:02,641 INFO L226 Difference]: Without dead ends: 632 [2022-03-01 15:11:02,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:11:02,643 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 34 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:11:02,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 148 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:11:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-03-01 15:11:02,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2022-03-01 15:11:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 630 states have (on average 1.8682539682539683) internal successors, (1177), 631 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1177 transitions. [2022-03-01 15:11:02,658 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1177 transitions. Word has length 44 [2022-03-01 15:11:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:11:02,658 INFO L470 AbstractCegarLoop]: Abstraction has 632 states and 1177 transitions. [2022-03-01 15:11:02,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1177 transitions. [2022-03-01 15:11:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-01 15:11:02,663 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:02,663 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:02,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 15:11:02,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash 455753518, now seen corresponding path program 1 times [2022-03-01 15:11:02,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:02,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701338988] [2022-03-01 15:11:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:11:02,713 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 15:11:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:11:02,751 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 15:11:02,751 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 15:11:02,752 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 15:11:02,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 15:11:02,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 15:11:02,757 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-01 15:11:02,757 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 15:11:02,757 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:02,808 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 15:11:02,812 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:11:02,812 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrOverapproximateWrwc=true [2022-03-01 15:11:02,812 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 15:11:02,814 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 136 transitions, 284 flow [2022-03-01 15:11:03,329 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20439 states, 20435 states have (on average 3.3995106435037927) internal successors, (69469), 20438 states have internal predecessors, (69469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 20439 states, 20435 states have (on average 3.3995106435037927) internal successors, (69469), 20438 states have internal predecessors, (69469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 15:11:03,375 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:03,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:03,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -497376990, now seen corresponding path program 1 times [2022-03-01 15:11:03,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:03,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135361312] [2022-03-01 15:11:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:03,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:03,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:11:03,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135361312] [2022-03-01 15:11:03,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135361312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:11:03,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:11:03,433 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:11:03,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18134736] [2022-03-01 15:11:03,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:11:03,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:11:03,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:11:03,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:11:03,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:11:03,472 INFO L87 Difference]: Start difference. First operand has 20439 states, 20435 states have (on average 3.3995106435037927) internal successors, (69469), 20438 states have internal predecessors, (69469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:11:03,680 INFO L93 Difference]: Finished difference Result 19667 states and 56092 transitions. [2022-03-01 15:11:03,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:11:03,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 15:11:03,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:11:03,767 INFO L225 Difference]: With dead ends: 19667 [2022-03-01 15:11:03,767 INFO L226 Difference]: Without dead ends: 16643 [2022-03-01 15:11:03,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:11:03,768 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 34 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:11:03,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 210 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:11:03,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16643 states. [2022-03-01 15:11:04,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16643 to 16643. [2022-03-01 15:11:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16643 states, 16640 states have (on average 2.8454326923076922) internal successors, (47348), 16642 states have internal predecessors, (47348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16643 states to 16643 states and 47348 transitions. [2022-03-01 15:11:04,297 INFO L78 Accepts]: Start accepts. Automaton has 16643 states and 47348 transitions. Word has length 44 [2022-03-01 15:11:04,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:11:04,298 INFO L470 AbstractCegarLoop]: Abstraction has 16643 states and 47348 transitions. [2022-03-01 15:11:04,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 16643 states and 47348 transitions. [2022-03-01 15:11:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-01 15:11:04,300 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:04,300 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:04,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 15:11:04,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:04,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:04,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1229485238, now seen corresponding path program 1 times [2022-03-01 15:11:04,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:04,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328370259] [2022-03-01 15:11:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:04,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:11:04,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328370259] [2022-03-01 15:11:04,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328370259] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:11:04,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394207077] [2022-03-01 15:11:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:04,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:11:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:11:04,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:11:04,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 15:11:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:04,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 15:11:04,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:11:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:04,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:11:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:04,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394207077] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:11:04,777 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:11:04,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 15:11:04,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445856520] [2022-03-01 15:11:04,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:11:04,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 15:11:04,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:11:04,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 15:11:04,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:11:04,779 INFO L87 Difference]: Start difference. First operand 16643 states and 47348 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:11:04,864 INFO L93 Difference]: Finished difference Result 8327 states and 23302 transitions. [2022-03-01 15:11:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:11:04,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-03-01 15:11:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:11:04,883 INFO L225 Difference]: With dead ends: 8327 [2022-03-01 15:11:04,883 INFO L226 Difference]: Without dead ends: 8327 [2022-03-01 15:11:04,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:11:04,884 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 493 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:11:04,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 658 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:11:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8327 states. [2022-03-01 15:11:05,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8327 to 8327. [2022-03-01 15:11:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8327 states, 8326 states have (on average 2.798702858515494) internal successors, (23302), 8326 states have internal predecessors, (23302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8327 states to 8327 states and 23302 transitions. [2022-03-01 15:11:05,091 INFO L78 Accepts]: Start accepts. Automaton has 8327 states and 23302 transitions. Word has length 54 [2022-03-01 15:11:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:11:05,092 INFO L470 AbstractCegarLoop]: Abstraction has 8327 states and 23302 transitions. [2022-03-01 15:11:05,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 8327 states and 23302 transitions. [2022-03-01 15:11:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-01 15:11:05,093 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:05,093 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:05,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 15:11:05,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:11:05,311 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:05,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:05,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1842596803, now seen corresponding path program 1 times [2022-03-01 15:11:05,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:05,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471103437] [2022-03-01 15:11:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:11:05,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 15:11:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:11:05,343 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 15:11:05,343 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 15:11:05,343 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 15:11:05,343 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 15:11:05,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 15:11:05,343 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-01 15:11:05,344 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 15:11:05,344 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,361 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,367 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,374 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:11:05,377 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 15:11:05,378 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:11:05,380 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrOverapproximateWrwc=true [2022-03-01 15:11:05,380 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 15:11:05,386 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 154 places, 169 transitions, 359 flow [2022-03-01 15:11:20,355 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 551151 states, 551146 states have (on average 4.587016870302969) internal successors, (2528116), 551150 states have internal predecessors, (2528116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 551151 states, 551146 states have (on average 4.587016870302969) internal successors, (2528116), 551150 states have internal predecessors, (2528116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 15:11:21,390 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:11:21,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:11:21,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:11:21,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:11:21,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1740326689, now seen corresponding path program 1 times [2022-03-01 15:11:21,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:11:21,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748128915] [2022-03-01 15:11:21,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:11:21,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:11:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:11:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:11:21,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:11:21,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748128915] [2022-03-01 15:11:21,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748128915] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:11:21,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:11:21,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 15:11:21,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8957095] [2022-03-01 15:11:21,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:11:21,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 15:11:21,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:11:21,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 15:11:21,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:11:22,453 INFO L87 Difference]: Start difference. First operand has 551151 states, 551146 states have (on average 4.587016870302969) internal successors, (2528116), 551150 states have internal predecessors, (2528116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:11:31,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:11:31,998 INFO L93 Difference]: Finished difference Result 530711 states and 2025190 transitions. [2022-03-01 15:11:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 15:11:31,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-01 15:11:31,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:11:37,048 INFO L225 Difference]: With dead ends: 530711 [2022-03-01 15:11:37,048 INFO L226 Difference]: Without dead ends: 448951 [2022-03-01 15:11:37,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:11:37,054 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:11:37,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:11:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448951 states. [2022-03-01 15:11:59,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448951 to 448951. [2022-03-01 15:12:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448951 states, 448946 states have (on average 3.8095049293233485) internal successors, (1710262), 448950 states have internal predecessors, (1710262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:12:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448951 states to 448951 states and 1710262 transitions. [2022-03-01 15:12:07,781 INFO L78 Accepts]: Start accepts. Automaton has 448951 states and 1710262 transitions. Word has length 44 [2022-03-01 15:12:07,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:12:07,795 INFO L470 AbstractCegarLoop]: Abstraction has 448951 states and 1710262 transitions. [2022-03-01 15:12:07,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:12:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 448951 states and 1710262 transitions. [2022-03-01 15:12:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-01 15:12:07,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:12:07,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:12:07,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 15:12:07,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 15:12:07,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:12:07,809 INFO L85 PathProgramCache]: Analyzing trace with hash -56624670, now seen corresponding path program 1 times [2022-03-01 15:12:07,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:12:07,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101329101] [2022-03-01 15:12:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:12:07,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:12:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:12:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:12:07,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:12:07,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101329101] [2022-03-01 15:12:07,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101329101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:12:07,875 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:12:07,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:12:07,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728587574] [2022-03-01 15:12:07,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:12:07,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:12:07,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:12:07,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:12:07,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:12:07,877 INFO L87 Difference]: Start difference. First operand 448951 states and 1710262 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)