/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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 10:10:49,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 10:10:49,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 10:10:49,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 10:10:49,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 10:10:49,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 10:10:49,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 10:10:49,251 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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf [2021-10-22 10:10:49,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 10:10:49,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 10:10:49,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 10:10:49,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 10:10:49,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 10:10:49,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 10:10:49,271 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 10:10:49,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 10:10:49,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 10:10:49,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 10:10:49,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 10:10:49,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 10:10:49,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 10:10:49,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 10:10:49,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 10:10:49,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 10:10:49,278 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 10:10:49,279 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 10:10:49,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 10:10:49,279 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 10:10:49,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 10:10:49,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 10:10:49,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 10:10:49,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 10:10:49,489 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 10:10:49,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2021-10-22 10:10:49,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d303439c/c9b2b573ca4444b090d6fcd9acc37550/FLAGce1bffa35 [2021-10-22 10:10:49,935 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 10:10:49,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i [2021-10-22 10:10:49,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d303439c/c9b2b573ca4444b090d6fcd9acc37550/FLAGce1bffa35 [2021-10-22 10:10:49,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d303439c/c9b2b573ca4444b090d6fcd9acc37550 [2021-10-22 10:10:49,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 10:10:49,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 10:10:49,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 10:10:49,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 10:10:49,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 10:10:49,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:10:49" (1/1) ... [2021-10-22 10:10:49,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c622b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:49, skipping insertion in model container [2021-10-22 10:10:49,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:10:49" (1/1) ... [2021-10-22 10:10:49,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 10:10:50,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 10:10:50,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41060,41073] [2021-10-22 10:10:50,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 10:10:50,330 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 10:10:50,358 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_07-cond_racing2.i[41060,41073] [2021-10-22 10:10:50,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 10:10:50,421 INFO L208 MainTranslator]: Completed translation [2021-10-22 10:10:50,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50 WrapperNode [2021-10-22 10:10:50,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 10:10:50,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 10:10:50,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 10:10:50,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 10:10:50,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 10:10:50,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 10:10:50,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 10:10:50,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 10:10:50,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 10:10:50,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 10:10:50,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 10:10:50,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 10:10:50,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (1/1) ... [2021-10-22 10:10:50,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 10:10:50,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:50,522 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) [2021-10-22 10:10:50,532 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 [2021-10-22 10:10:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-22 10:10:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 10:10:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 10:10:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 10:10:50,558 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 10:10:50,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 10:10:50,856 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-22 10:10:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:10:50 BoogieIcfgContainer [2021-10-22 10:10:50,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 10:10:50,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 10:10:50,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 10:10:50,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 10:10:50,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 10:10:49" (1/3) ... [2021-10-22 10:10:50,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1aaf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:10:50, skipping insertion in model container [2021-10-22 10:10:50,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:50" (2/3) ... [2021-10-22 10:10:50,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1aaf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:10:50, skipping insertion in model container [2021-10-22 10:10:50,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:10:50" (3/3) ... [2021-10-22 10:10:50,862 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_07-cond_racing2.i [2021-10-22 10:10:50,865 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 10:10:50,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 10:10:50,866 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 10:10:50,866 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 10:10:50,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,902 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:50,907 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-22 10:10:50,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:50,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:50,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 10:10:50,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 10:10:50,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:50,978 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-22 10:10:50,978 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:51,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:51,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:51,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1098964452, now seen corresponding path program 1 times [2021-10-22 10:10:51,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:51,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167322095] [2021-10-22 10:10:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:51,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:51,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:51,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167322095] [2021-10-22 10:10:51,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167322095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:51,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:51,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:51,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133725558] [2021-10-22 10:10:51,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:51,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:51,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:51,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:51,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:51,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 10:10:51,252 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash 593405827, now seen corresponding path program 1 times [2021-10-22 10:10:51,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:51,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150915639] [2021-10-22 10:10:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:51,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:51,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:51,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150915639] [2021-10-22 10:10:51,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150915639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:51,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:51,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:51,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242989058] [2021-10-22 10:10:51,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:51,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:51,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:51,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:51,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:51,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 10:10:51,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:51,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:51,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1039534893, now seen corresponding path program 1 times [2021-10-22 10:10:51,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:51,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271458985] [2021-10-22 10:10:51,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:51,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:51,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:51,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271458985] [2021-10-22 10:10:51,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271458985] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:51,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873600898] [2021-10-22 10:10:51,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:51,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:51,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:10:51,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 10:10:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:51,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:51,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:51,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873600898] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:51,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:51,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:51,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33008842] [2021-10-22 10:10:51,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:51,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:51,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:51,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:51,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:51,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:51,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:51,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 10:10:52,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-22 10:10:52,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:52,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:52,156 INFO L82 PathProgramCache]: Analyzing trace with hash 797893340, now seen corresponding path program 1 times [2021-10-22 10:10:52,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:52,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131378067] [2021-10-22 10:10:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:52,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:52,193 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:10:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:52,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:10:52,237 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:10:52,239 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:10:52,240 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:10:52,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 10:10:52,245 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:10:52,246 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:52,270 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-22 10:10:52,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:52,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:52,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 10:10:52,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-10-22 10:10:52,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:52,275 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-22 10:10:52,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:52,281 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:52,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:52,282 INFO L82 PathProgramCache]: Analyzing trace with hash 153969595, now seen corresponding path program 1 times [2021-10-22 10:10:52,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:52,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989200320] [2021-10-22 10:10:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:52,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:52,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:52,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989200320] [2021-10-22 10:10:52,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989200320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:52,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:52,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:52,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240085774] [2021-10-22 10:10:52,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:52,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:52,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:52,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:52,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:52,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 10:10:52,307 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:52,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:52,307 INFO L82 PathProgramCache]: Analyzing trace with hash -351589030, now seen corresponding path program 1 times [2021-10-22 10:10:52,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:52,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400476740] [2021-10-22 10:10:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:52,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:52,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:52,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400476740] [2021-10-22 10:10:52,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400476740] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:52,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:52,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:52,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132813463] [2021-10-22 10:10:52,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:52,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:52,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,333 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:52,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:52,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:52,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 10:10:52,393 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:52,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash 619313838, now seen corresponding path program 1 times [2021-10-22 10:10:52,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:52,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435166705] [2021-10-22 10:10:52,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:52,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:52,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:52,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435166705] [2021-10-22 10:10:52,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435166705] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:52,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729895815] [2021-10-22 10:10:52,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:52,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:52,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:52,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:10:52,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 10:10:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:52,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:52,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:52,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729895815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:52,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:52,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:52,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301410579] [2021-10-22 10:10:52,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:52,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:52,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:52,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,771 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:52,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:52,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 10:10:53,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:53,040 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:53,040 INFO L82 PathProgramCache]: Analyzing trace with hash 119080289, now seen corresponding path program 1 times [2021-10-22 10:10:53,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:53,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923422391] [2021-10-22 10:10:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:53,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-22 10:10:53,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:53,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923422391] [2021-10-22 10:10:53,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923422391] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:53,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:53,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:10:53,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325249940] [2021-10-22 10:10:53,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:10:53,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:53,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:10:53,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:10:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:53,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:53,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:53,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:53,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:53,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:53,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:53,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 10:10:53,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:53,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:53,686 INFO L82 PathProgramCache]: Analyzing trace with hash 333349815, now seen corresponding path program 1 times [2021-10-22 10:10:53,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:53,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940320475] [2021-10-22 10:10:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:53,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:53,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:53,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940320475] [2021-10-22 10:10:53,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940320475] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:53,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448489622] [2021-10-22 10:10:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:53,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:53,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:53,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:10:53,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 10:10:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:53,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:10:53,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:54,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448489622] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:54,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:54,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:10:54,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449771328] [2021-10-22 10:10:54,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:10:54,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:10:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:10:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:54,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:54,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:54,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 10:10:54,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:54,368 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:54,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:54,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1029060001, now seen corresponding path program 1 times [2021-10-22 10:10:54,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:54,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254639248] [2021-10-22 10:10:54,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:54,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:54,383 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:10:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:54,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:10:54,412 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:10:54,412 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:10:54,412 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:10:54,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-22 10:10:54,413 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:10:54,413 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-10-22 10:10:54,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,432 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,433 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,434 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,435 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,436 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,437 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,438 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,439 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,440 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:54,445 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 10:10:54,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:54,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:54,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 10:10:54,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2021-10-22 10:10:54,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:54,449 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-22 10:10:54,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:54,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:54,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:54,452 INFO L82 PathProgramCache]: Analyzing trace with hash -353015760, now seen corresponding path program 1 times [2021-10-22 10:10:54,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:54,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465924261] [2021-10-22 10:10:54,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:54,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:54,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:54,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465924261] [2021-10-22 10:10:54,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465924261] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:54,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:54,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:54,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482951261] [2021-10-22 10:10:54,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:54,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:54,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:54,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:54,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:54,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-22 10:10:54,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:54,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:54,474 INFO L82 PathProgramCache]: Analyzing trace with hash -858574385, now seen corresponding path program 1 times [2021-10-22 10:10:54,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:54,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296226296] [2021-10-22 10:10:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:54,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:54,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:54,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296226296] [2021-10-22 10:10:54,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296226296] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:54,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:54,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:54,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118694845] [2021-10-22 10:10:54,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:54,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:54,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:54,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:54,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:54,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-22 10:10:54,567 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:54,568 INFO L82 PathProgramCache]: Analyzing trace with hash 103482471, now seen corresponding path program 1 times [2021-10-22 10:10:54,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:54,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068214494] [2021-10-22 10:10:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:54,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:54,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:54,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068214494] [2021-10-22 10:10:54,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068214494] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:54,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068640309] [2021-10-22 10:10:54,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:54,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:54,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:10:54,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 10:10:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:54,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:54,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:54,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068640309] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:54,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:54,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:54,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688748329] [2021-10-22 10:10:54,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:54,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:54,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:54,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:54,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:54,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:54,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:55,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 10:10:55,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:55,190 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:55,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:55,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1462743202, now seen corresponding path program 1 times [2021-10-22 10:10:55,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:55,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821330799] [2021-10-22 10:10:55,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:55,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-22 10:10:55,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:55,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821330799] [2021-10-22 10:10:55,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821330799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:55,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:55,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:10:55,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086146866] [2021-10-22 10:10:55,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:10:55,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:55,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:10:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:10:55,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:55,246 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:55,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:55,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-22 10:10:55,682 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:55,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:55,682 INFO L82 PathProgramCache]: Analyzing trace with hash 839117620, now seen corresponding path program 1 times [2021-10-22 10:10:55,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:55,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431526237] [2021-10-22 10:10:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:55,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:55,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:55,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431526237] [2021-10-22 10:10:55,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431526237] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:55,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693758514] [2021-10-22 10:10:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:55,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:55,724 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:10:55,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 10:10:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:55,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:10:55,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:10:56,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693758514] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:56,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:56,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:10:56,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545039170] [2021-10-22 10:10:56,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:10:56,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:10:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:10:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:56,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:56,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:10:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:56,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:04,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 10:11:04,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-22 10:11:04,566 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:04,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:04,579 INFO L82 PathProgramCache]: Analyzing trace with hash -169865782, now seen corresponding path program 1 times [2021-10-22 10:11:04,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:04,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710180014] [2021-10-22 10:11:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:04,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:04,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:04,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710180014] [2021-10-22 10:11:04,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710180014] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:04,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777809044] [2021-10-22 10:11:04,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:04,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:11:04,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:11:04,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:11:04,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 10:11:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:04,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 10:11:04,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:11:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:05,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777809044] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:05,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:11:05,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-22 10:11:05,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363294512] [2021-10-22 10:11:05,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 10:11:05,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:05,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 10:11:05,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 10:11:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:05,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 10:11:05,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 10:11:05,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-22 10:11:05,356 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:05,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:05,356 INFO L82 PathProgramCache]: Analyzing trace with hash 337819551, now seen corresponding path program 1 times [2021-10-22 10:11:05,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:05,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340518901] [2021-10-22 10:11:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:05,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:11:05,372 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:11:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:11:05,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:11:05,397 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:11:05,397 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:11:05,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:11:05,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-22 10:11:05,398 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:11:05,398 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,425 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:11:05,429 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-22 10:11:05,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:11:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:11:05,432 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 10:11:05,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2021-10-22 10:11:05,435 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:11:05,435 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-22 10:11:05,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:11:05,437 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:05,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:05,438 INFO L82 PathProgramCache]: Analyzing trace with hash -421991613, now seen corresponding path program 1 times [2021-10-22 10:11:05,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:05,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990248305] [2021-10-22 10:11:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:05,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:05,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:05,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990248305] [2021-10-22 10:11:05,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990248305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:11:05,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:11:05,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:11:05,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048265337] [2021-10-22 10:11:05,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:11:05,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:05,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:11:05,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:11:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:05,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:05,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-22 10:11:05,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash -927550238, now seen corresponding path program 1 times [2021-10-22 10:11:05,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:05,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782505942] [2021-10-22 10:11:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:05,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:05,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:05,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782505942] [2021-10-22 10:11:05,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782505942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:11:05,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:11:05,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:11:05,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073525009] [2021-10-22 10:11:05,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:11:05,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:05,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:11:05,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:11:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,475 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:05,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:05,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:05,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-22 10:11:05,540 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:05,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:05,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1707938302, now seen corresponding path program 1 times [2021-10-22 10:11:05,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:05,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549666780] [2021-10-22 10:11:05,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:05,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:05,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:05,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549666780] [2021-10-22 10:11:05,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549666780] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:05,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25755176] [2021-10-22 10:11:05,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:05,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:11:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:11:05,578 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:11:05,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 10:11:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:05,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:11:05,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:11:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:05,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25755176] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:05,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:11:05,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:11:05,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938807514] [2021-10-22 10:11:05,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:11:05,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:05,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:11:05,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:11:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,943 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:05,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:06,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-22 10:11:06,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:11:06,199 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:06,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:06,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1694012025, now seen corresponding path program 1 times [2021-10-22 10:11:06,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:06,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509353623] [2021-10-22 10:11:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:06,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-22 10:11:06,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:06,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509353623] [2021-10-22 10:11:06,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509353623] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:11:06,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:11:06,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:11:06,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835546364] [2021-10-22 10:11:06,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:11:06,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:06,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:11:06,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:11:06,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:06,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:06,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:06,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:06,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:06,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:06,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:06,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:06,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-22 10:11:06,809 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:06,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:06,809 INFO L82 PathProgramCache]: Analyzing trace with hash -88297777, now seen corresponding path program 1 times [2021-10-22 10:11:06,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:06,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871148243] [2021-10-22 10:11:06,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:06,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:06,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:06,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871148243] [2021-10-22 10:11:06,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871148243] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:06,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318196001] [2021-10-22 10:11:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:06,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:11:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:11:06,850 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:11:06,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 10:11:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:07,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:11:07,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:11:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:07,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318196001] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:07,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:11:07,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:11:07,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974764758] [2021-10-22 10:11:07,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:11:07,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:07,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:11:07,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:11:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:07,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:07,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:07,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:07,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:07,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:07,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:07,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:15,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 10:11:15,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-22 10:11:15,739 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:11:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:11:15,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1749668375, now seen corresponding path program 1 times [2021-10-22 10:11:15,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:11:15,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515139458] [2021-10-22 10:11:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:15,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:11:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:15,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:11:15,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515139458] [2021-10-22 10:11:15,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515139458] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:15,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764552916] [2021-10-22 10:11:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:11:15,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:11:15,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:11:15,997 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 10:11:15,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-22 10:11:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:16,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 10:11:16,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:11:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 10:11:16,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764552916] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:16,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:11:16,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-22 10:11:16,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555786749] [2021-10-22 10:11:16,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 10:11:16,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 10:11:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 10:11:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:16,473 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:16,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.