/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_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 10:10:30,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 10:10:30,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 10:10:30,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 10:10:30,177 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 10:10:30,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 10:10:30,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 10:10:30,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 10:10:30,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 10:10:30,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 10:10:30,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 10:10:30,221 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 10:10:30,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 10:10:30,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 10:10:30,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 10:10:30,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 10:10:30,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 10:10:30,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 10:10:30,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 10:10:30,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 10:10:30,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 10:10:30,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 10:10:30,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 10:10:30,416 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 10:10:30,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-10-22 10:10:30,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f646dd9fe/9047701b32074f58be0c8e0cc17083b3/FLAG25c8d1c51 [2021-10-22 10:10:30,921 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 10:10:30,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-10-22 10:10:30,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f646dd9fe/9047701b32074f58be0c8e0cc17083b3/FLAG25c8d1c51 [2021-10-22 10:10:30,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f646dd9fe/9047701b32074f58be0c8e0cc17083b3 [2021-10-22 10:10:30,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 10:10:30,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 10:10:30,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 10:10:30,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 10:10:30,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 10:10:30,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:10:30" (1/1) ... [2021-10-22 10:10:30,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6166c414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:30, skipping insertion in model container [2021-10-22 10:10:30,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:10:30" (1/1) ... [2021-10-22 10:10:30,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 10:10:30,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 10:10:31,306 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_06-cond_racing1.i[41060,41073] [2021-10-22 10:10:31,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 10:10:31,331 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 10:10:31,363 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_06-cond_racing1.i[41060,41073] [2021-10-22 10:10:31,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 10:10:31,427 INFO L208 MainTranslator]: Completed translation [2021-10-22 10:10:31,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31 WrapperNode [2021-10-22 10:10:31,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 10:10:31,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 10:10:31,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 10:10:31,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 10:10:31,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 10:10:31,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 10:10:31,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 10:10:31,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 10:10:31,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 10:10:31,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 10:10:31,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 10:10:31,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 10:10:31,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (1/1) ... [2021-10-22 10:10:31,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 10:10:31,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:31,540 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 10:10:31,563 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 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-22 10:10:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-22 10:10:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 10:10:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 10:10:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 10:10:31,593 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 10:10:31,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 10:10:31,850 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-22 10:10:31,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:10:31 BoogieIcfgContainer [2021-10-22 10:10:31,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 10:10:31,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 10:10:31,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 10:10:31,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 10:10:31,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 10:10:30" (1/3) ... [2021-10-22 10:10:31,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ecd2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:10:31, skipping insertion in model container [2021-10-22 10:10:31,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:10:31" (2/3) ... [2021-10-22 10:10:31,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ecd2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:10:31, skipping insertion in model container [2021-10-22 10:10:31,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:10:31" (3/3) ... [2021-10-22 10:10:31,858 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-10-22 10:10:31,861 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 10:10:31,861 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 10:10:31,862 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 10:10:31,862 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 10:10:31,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:31,911 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-22 10:10:31,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:31,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:31,952 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 10:10:31,953 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 10:10:31,980 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:31,987 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 10:10:31,987 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:32,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:32,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:32,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1529747035, now seen corresponding path program 1 times [2021-10-22 10:10:32,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:32,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166745116] [2021-10-22 10:10:32,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:32,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:32,251 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 10:10:32,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:32,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166745116] [2021-10-22 10:10:32,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166745116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:32,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:32,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:32,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689660418] [2021-10-22 10:10:32,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:32,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:32,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:32,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:32,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 10:10:32,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:32,277 INFO L82 PathProgramCache]: Analyzing trace with hash -2035305660, now seen corresponding path program 1 times [2021-10-22 10:10:32,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:32,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823693656] [2021-10-22 10:10:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:32,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:32,330 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 10:10:32,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:32,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823693656] [2021-10-22 10:10:32,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823693656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:32,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:32,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:32,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967745998] [2021-10-22 10:10:32,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:32,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:32,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:32,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:32,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:32,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:32,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 10:10:32,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:32,419 INFO L82 PathProgramCache]: Analyzing trace with hash -69563499, now seen corresponding path program 1 times [2021-10-22 10:10:32,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:32,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49859852] [2021-10-22 10:10:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:32,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:32,493 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 10:10:32,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:32,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49859852] [2021-10-22 10:10:32,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49859852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:32,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506957367] [2021-10-22 10:10:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:32,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:32,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:32,496 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 10:10:32,497 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 10:10:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:32,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:32,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:32,861 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 10:10:32,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506957367] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:32,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:32,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:32,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941838303] [2021-10-22 10:10:32,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:32,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:32,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:32,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:32,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 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 10:10:32,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:32,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:32,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:32,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:32,947 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 10:10:33,139 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 10:10:33,140 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:33,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:33,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1003732088, now seen corresponding path program 1 times [2021-10-22 10:10:33,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:33,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299066506] [2021-10-22 10:10:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:33,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:33,166 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:10:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:33,199 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:10:33,199 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:10:33,199 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:10:33,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:10:33,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 10:10:33,208 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:10:33,209 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-10-22 10:10:33,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,220 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,220 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,225 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,229 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,230 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:33,233 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-22 10:10:33,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:33,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:33,234 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 10:10:33,235 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 10:10:33,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:33,238 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 10:10:33,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:33,243 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:33,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:33,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1770010661, now seen corresponding path program 1 times [2021-10-22 10:10:33,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:33,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033813811] [2021-10-22 10:10:33,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:33,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:33,268 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 10:10:33,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:33,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033813811] [2021-10-22 10:10:33,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033813811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:33,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:33,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:33,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989496511] [2021-10-22 10:10:33,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:33,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:33,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:33,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:33,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:33,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:33,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 10:10:33,273 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:33,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1264452036, now seen corresponding path program 1 times [2021-10-22 10:10:33,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:33,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864935340] [2021-10-22 10:10:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:33,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:33,318 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 10:10:33,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:33,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864935340] [2021-10-22 10:10:33,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864935340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:33,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:33,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:33,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723750260] [2021-10-22 10:10:33,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:33,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:33,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:33,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,321 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:33,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:33,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:33,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-22 10:10:33,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:33,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1339181305, now seen corresponding path program 1 times [2021-10-22 10:10:33,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:33,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767289229] [2021-10-22 10:10:33,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:33,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:33,473 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 10:10:33,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:33,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767289229] [2021-10-22 10:10:33,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767289229] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:33,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030028818] [2021-10-22 10:10:33,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:33,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:33,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:33,475 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 10:10:33,476 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 10:10:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:33,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:33,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:33,764 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 10:10:33,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030028818] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:33,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:33,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:33,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110218591] [2021-10-22 10:10:33,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:33,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:33,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:33,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:33,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 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 10:10:33,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:33,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:33,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:33,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-22 10:10:34,066 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 10:10:34,067 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2077534285, now seen corresponding path program 1 times [2021-10-22 10:10:34,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:34,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944656762] [2021-10-22 10:10:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:34,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:34,153 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 10:10:34,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:34,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944656762] [2021-10-22 10:10:34,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944656762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:34,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:34,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:10:34,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234678700] [2021-10-22 10:10:34,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:10:34,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:34,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:10:34,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:10:34,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:34,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:34,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:10:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:34,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:34,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 10:10:34,824 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:34,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:34,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1896040157, now seen corresponding path program 1 times [2021-10-22 10:10:34,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:34,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884179423] [2021-10-22 10:10:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:34,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:34,897 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 10:10:34,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:34,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884179423] [2021-10-22 10:10:34,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884179423] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:34,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186501584] [2021-10-22 10:10:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:34,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:34,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:34,899 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 10:10:34,928 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 10:10:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:35,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:10:35,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:35,273 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 10:10:35,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186501584] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:35,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:35,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:10:35,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004383171] [2021-10-22 10:10:35,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:10:35,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:35,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:10:35,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:10:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:35,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 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 10:10:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:35,339 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 10:10:35,531 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 10:10:35,532 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:35,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:35,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1961631216, now seen corresponding path program 1 times [2021-10-22 10:10:35,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:35,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241528735] [2021-10-22 10:10:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:35,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:35,545 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:10:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:35,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:10:35,561 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:10:35,561 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:10:35,561 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:10:35,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-22 10:10:35,562 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:10:35,562 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,581 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,582 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,583 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,591 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,592 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:35,596 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 10:10:35,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:35,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:35,598 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 10:10:35,599 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 10:10:35,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:35,602 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 10:10:35,602 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:35,605 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:35,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1907991653, now seen corresponding path program 1 times [2021-10-22 10:10:35,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:35,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618725648] [2021-10-22 10:10:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:35,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:35,620 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 10:10:35,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:35,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618725648] [2021-10-22 10:10:35,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618725648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:35,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:35,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:35,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090466398] [2021-10-22 10:10:35,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:35,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:35,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:35,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:35,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-22 10:10:35,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:35,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1402433028, now seen corresponding path program 1 times [2021-10-22 10:10:35,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:35,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689048896] [2021-10-22 10:10:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:35,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:35,642 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 10:10:35,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:35,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689048896] [2021-10-22 10:10:35,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689048896] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:35,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:35,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:35,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776388064] [2021-10-22 10:10:35,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:35,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:35,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:35,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:35,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:35,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:35,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:35,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-22 10:10:35,705 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1581229789, now seen corresponding path program 1 times [2021-10-22 10:10:35,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:35,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697740991] [2021-10-22 10:10:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:35,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:35,744 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 10:10:35,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:35,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697740991] [2021-10-22 10:10:35,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697740991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:35,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806751115] [2021-10-22 10:10:35,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:35,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:35,746 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 10:10:35,747 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 10:10:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:35,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:35,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:36,104 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 10:10:36,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806751115] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:36,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:36,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:36,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50778572] [2021-10-22 10:10:36,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:36,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:36,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 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 10:10:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:36,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:36,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:36,165 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 10:10:36,359 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 10:10:36,359 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:36,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:36,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1535064789, now seen corresponding path program 1 times [2021-10-22 10:10:36,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:36,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377628608] [2021-10-22 10:10:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:36,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:36,411 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 10:10:36,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:36,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377628608] [2021-10-22 10:10:36,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377628608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:36,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:36,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:10:36,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195736289] [2021-10-22 10:10:36,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:10:36,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:36,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:10:36,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:10:36,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:36,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:10:36,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:36,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:36,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-22 10:10:36,913 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:36,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:36,914 INFO L82 PathProgramCache]: Analyzing trace with hash 752172203, now seen corresponding path program 1 times [2021-10-22 10:10:36,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:36,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556353381] [2021-10-22 10:10:36,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:36,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:36,961 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 10:10:36,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:36,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556353381] [2021-10-22 10:10:36,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556353381] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:36,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70990549] [2021-10-22 10:10:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:36,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:36,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:36,963 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 10:10:36,979 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 10:10:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:37,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:10:37,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:37,334 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 10:10:37,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70990549] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:37,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:37,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:10:37,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302953972] [2021-10-22 10:10:37,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:10:37,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:10:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:10:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:37,335 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:37,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 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 10:10:37,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:37,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:37,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:37,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:37,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:46,309 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 10:10:46,493 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 10:10:46,494 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:46,494 INFO L82 PathProgramCache]: Analyzing trace with hash -61486590, now seen corresponding path program 1 times [2021-10-22 10:10:46,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:46,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534940566] [2021-10-22 10:10:46,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:46,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:46,562 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 10:10:46,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:46,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534940566] [2021-10-22 10:10:46,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534940566] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:46,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196916640] [2021-10-22 10:10:46,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:46,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:46,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:46,563 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 10:10:46,593 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 10:10:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:47,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 10:10:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:47,241 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 10:10:47,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196916640] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:47,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:47,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-22 10:10:47,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344394256] [2021-10-22 10:10:47,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 10:10:47,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:47,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 10:10:47,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 10:10:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:47,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 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 10:10:47,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:47,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:47,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:47,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:47,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 10:10:47,359 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 10:10:47,546 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 10:10:47,546 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:47,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:47,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1127897025, now seen corresponding path program 1 times [2021-10-22 10:10:47,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:47,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576679911] [2021-10-22 10:10:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:47,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:47,565 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 10:10:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 10:10:47,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 10:10:47,592 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 10:10:47,592 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 10:10:47,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 10:10:47,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-22 10:10:47,594 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-10-22 10:10:47,594 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,612 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 10:10:47,624 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-22 10:10:47,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 10:10:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:47,631 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 10:10:47,650 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 10:10:47,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 10:10:47,651 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 10:10:47,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 10:10:47,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:47,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:47,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1115804059, now seen corresponding path program 1 times [2021-10-22 10:10:47,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:47,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221861174] [2021-10-22 10:10:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:47,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:47,679 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 10:10:47,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:47,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221861174] [2021-10-22 10:10:47,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221861174] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:47,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:47,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 10:10:47,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968813487] [2021-10-22 10:10:47,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 10:10:47,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:47,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 10:10:47,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 10:10:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:47,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:47,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-22 10:10:47,681 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:47,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1621362684, now seen corresponding path program 1 times [2021-10-22 10:10:47,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:47,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859695851] [2021-10-22 10:10:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:47,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:47,700 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 10:10:47,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:47,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859695851] [2021-10-22 10:10:47,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859695851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:47,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:47,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 10:10:47,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002477748] [2021-10-22 10:10:47,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 10:10:47,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 10:10:47,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 10:10:47,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:47,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 10:10:47,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:47,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-22 10:10:47,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:47,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:47,792 INFO L82 PathProgramCache]: Analyzing trace with hash 656581953, now seen corresponding path program 1 times [2021-10-22 10:10:47,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:47,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301591818] [2021-10-22 10:10:47,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:47,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:47,839 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 10:10:47,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:47,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301591818] [2021-10-22 10:10:47,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301591818] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:47,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065800721] [2021-10-22 10:10:47,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:47,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:47,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:47,842 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 10:10:47,863 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 10:10:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:48,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 10:10:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:48,262 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 10:10:48,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065800721] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:48,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:48,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 10:10:48,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350071195] [2021-10-22 10:10:48,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 10:10:48,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:48,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 10:10:48,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 10:10:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,264 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:48,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 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 10:10:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:48,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:48,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-22 10:10:48,603 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 10:10:48,603 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:48,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:48,604 INFO L82 PathProgramCache]: Analyzing trace with hash 508919965, now seen corresponding path program 1 times [2021-10-22 10:10:48,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:48,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152826992] [2021-10-22 10:10:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:48,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:48,655 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 10:10:48,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:48,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152826992] [2021-10-22 10:10:48,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152826992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 10:10:48,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 10:10:48,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-22 10:10:48,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865278797] [2021-10-22 10:10:48,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 10:10:48,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:48,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 10:10:48,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-22 10:10:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:48,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:10:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:48,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:49,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:49,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:49,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-22 10:10:49,252 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:49,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1303942259, now seen corresponding path program 1 times [2021-10-22 10:10:49,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:49,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464673013] [2021-10-22 10:10:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:49,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:49,305 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 10:10:49,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:49,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464673013] [2021-10-22 10:10:49,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464673013] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:49,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395842690] [2021-10-22 10:10:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:49,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:49,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:49,306 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 10:10:49,308 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 10:10:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:49,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 10:10:49,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:10:49,828 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 10:10:49,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395842690] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:49,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:10:49,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 10:10:49,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124376520] [2021-10-22 10:10:49,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 10:10:49,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:10:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 10:10:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 10:10:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:49,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:10:49,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 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 10:10:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:10:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:10:59,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:10:59,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:10:59,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:10:59,688 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 10:10:59,875 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 10:10:59,875 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-22 10:10:59,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 10:10:59,876 INFO L82 PathProgramCache]: Analyzing trace with hash 941021230, now seen corresponding path program 1 times [2021-10-22 10:10:59,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 10:10:59,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855507534] [2021-10-22 10:10:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:59,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 10:10:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:10:59,934 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 10:10:59,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 10:10:59,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855507534] [2021-10-22 10:10:59,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855507534] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:10:59,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456945867] [2021-10-22 10:10:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 10:10:59,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 10:10:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 10:10:59,936 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 10:10:59,937 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 10:11:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 10:11:00,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 10:11:00,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 10:11:00,488 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 10:11:00,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456945867] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 10:11:00,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 10:11:00,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-22 10:11:00,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028291349] [2021-10-22 10:11:00,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 10:11:00,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 10:11:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 10:11:00,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 10:11:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:00,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 10:11:00,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 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 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 10:11:00,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.