/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-NewStatesSleepPersistent-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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:00:29,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:00:29,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:00:29,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 10:00:29,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 10:00:29,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 10:00:29,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 10:00:29,323 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:00:29,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:00:29,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:00:29,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:00:29,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:00:29,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:00:29,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:00:29,362 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:00:29,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:00:29,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:00:29,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:00:29,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:00:29,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:00:29,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:00:29,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:00:29,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:00:29,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:00:29,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:00:29,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:00:29,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:00:29,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:00:29,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:00:29,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:00:29,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:00:29,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:00:29,366 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:00:29,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:00:29,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:00:29,367 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:00:29,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:00:29,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:00:29,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:00:29,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:00:29,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 10:00:29,679 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 10:00:29,680 INFO L432 ainManager$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 [2021-07-14 10:00:29,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212bbaa6c/9f764acbe76548aca9488a2c77bb6437/FLAGcf634f572 [2021-07-14 10:00:30,176 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 10:00:30,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-07-14 10:00:30,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212bbaa6c/9f764acbe76548aca9488a2c77bb6437/FLAGcf634f572 [2021-07-14 10:00:30,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212bbaa6c/9f764acbe76548aca9488a2c77bb6437 [2021-07-14 10:00:30,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:00:30,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 10:00:30,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 10:00:30,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 10:00:30,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 10:00:30,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 10:00:30" (1/1) ... [2021-07-14 10:00:30,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442a7d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:30, skipping insertion in model container [2021-07-14 10:00:30,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 10:00:30" (1/1) ... [2021-07-14 10:00:30,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 10:00:30,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 10:00:30,939 WARN L224 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] [2021-07-14 10:00:30,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 10:00:30,965 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 10:00:30,991 WARN L224 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] [2021-07-14 10:00:30,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 10:00:31,042 INFO L208 MainTranslator]: Completed translation [2021-07-14 10:00:31,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31 WrapperNode [2021-07-14 10:00:31,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 10:00:31,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:00:31,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:00:31,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:00:31,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:00:31,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:00:31,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:00:31,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:00:31,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... [2021-07-14 10:00:31,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:00:31,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:00:31,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:00:31,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:00:31,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:00:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 10:00:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 10:00:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 10:00:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 10:00:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 10:00:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-14 10:00:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-14 10:00:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 10:00:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:00:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:00:31,174 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 10:00:31,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:00:31,617 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-14 10:00:31,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:00:31 BoogieIcfgContainer [2021-07-14 10:00:31,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:00:31,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:00:31,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:00:31,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:00:31,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 10:00:30" (1/3) ... [2021-07-14 10:00:31,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498639d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:00:31, skipping insertion in model container [2021-07-14 10:00:31,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:00:31" (2/3) ... [2021-07-14 10:00:31,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498639d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:00:31, skipping insertion in model container [2021-07-14 10:00:31,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:00:31" (3/3) ... [2021-07-14 10:00:31,626 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-07-14 10:00:31,637 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:00:31,638 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:00:31,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:00:31,639 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:00:31,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,674 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,674 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:31,694 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-14 10:00:31,718 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 10:00:31,781 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:00:31,781 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:00:31,781 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:00:31,782 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:00:31,782 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:00:31,782 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:00:31,782 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:00:31,782 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:00:31,823 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:31,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:31,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1691092301, now seen corresponding path program 1 times [2021-07-14 10:00:31,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:31,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854470513] [2021-07-14 10:00:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:32,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:32,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854470513] [2021-07-14 10:00:32,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854470513] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:32,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:32,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:00:32,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139608997] [2021-07-14 10:00:32,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 10:00:32,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:32,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 10:00:32,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 10:00:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:32,109 INFO L483 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) [2021-07-14 10:00:32,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:00:32,122 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:32,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:32,125 INFO L82 PathProgramCache]: Analyzing trace with hash 2098316370, now seen corresponding path program 1 times [2021-07-14 10:00:32,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:32,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37364676] [2021-07-14 10:00:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:32,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:32,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37364676] [2021-07-14 10:00:32,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37364676] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:32,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:32,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 10:00:32,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708522894] [2021-07-14 10:00:32,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:00:32,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:32,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:00:32,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:00:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:32,221 INFO L483 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) [2021-07-14 10:00:32,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:32,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 10:00:32,379 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:32,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1845387893, now seen corresponding path program 1 times [2021-07-14 10:00:32,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:32,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018856926] [2021-07-14 10:00:32,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:32,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:32,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018856926] [2021-07-14 10:00:32,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018856926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:32,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14826673] [2021-07-14 10:00:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:32,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 10:00:32,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:32,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14826673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:32,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:32,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 10:00:32,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6007032] [2021-07-14 10:00:32,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:00:32,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:32,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:00:32,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:00:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:32,732 INFO L483 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) [2021-07-14 10:00:32,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:32,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:33,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:33,004 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:33,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:33,004 INFO L82 PathProgramCache]: Analyzing trace with hash -693021782, now seen corresponding path program 1 times [2021-07-14 10:00:33,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:33,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535873081] [2021-07-14 10:00:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:33,045 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:33,083 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:33,116 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 10:00:33,116 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 10:00:33,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 10:00:33,124 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 10:00:33,124 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-14 10:00:33,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,141 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,141 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,142 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,143 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,144 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,145 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,146 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,147 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,148 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,153 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,153 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:33,157 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 10:00:33,158 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 10:00:33,177 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:00:33,177 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:00:33,177 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:00:33,178 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:00:33,178 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:00:33,178 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:00:33,178 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:00:33,178 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:00:33,187 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:33,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:33,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1608665395, now seen corresponding path program 1 times [2021-07-14 10:00:33,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:33,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662996002] [2021-07-14 10:00:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:33,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:33,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662996002] [2021-07-14 10:00:33,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662996002] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:33,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:33,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:00:33,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29562713] [2021-07-14 10:00:33,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 10:00:33,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:33,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 10:00:33,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 10:00:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:33,251 INFO L483 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) [2021-07-14 10:00:33,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 10:00:33,254 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:33,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:33,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1103106770, now seen corresponding path program 1 times [2021-07-14 10:00:33,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:33,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466795953] [2021-07-14 10:00:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:33,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:33,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466795953] [2021-07-14 10:00:33,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466795953] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:33,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:33,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 10:00:33,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034151668] [2021-07-14 10:00:33,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:00:33,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:33,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:00:33,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:00:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:33,313 INFO L483 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) [2021-07-14 10:00:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:33,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 10:00:33,445 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:33,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:33,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1040834599, now seen corresponding path program 1 times [2021-07-14 10:00:33,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:33,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525902840] [2021-07-14 10:00:33,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:33,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:33,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525902840] [2021-07-14 10:00:33,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525902840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:33,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651094959] [2021-07-14 10:00:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:33,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 10:00:33,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:33,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651094959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:33,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:33,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 10:00:33,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825921243] [2021-07-14 10:00:33,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:00:33,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:33,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:00:33,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:00:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:33,795 INFO L483 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) [2021-07-14 10:00:33,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:33,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:34,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:34,091 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:34,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:34,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1918720385, now seen corresponding path program 1 times [2021-07-14 10:00:34,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:34,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805138191] [2021-07-14 10:00:34,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 10:00:34,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:34,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805138191] [2021-07-14 10:00:34,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805138191] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:34,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:34,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 10:00:34,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116653623] [2021-07-14 10:00:34,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:00:34,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:34,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:00:34,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:00:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:34,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:34,167 INFO L483 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) [2021-07-14 10:00:34,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:34,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:34,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:34,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:34,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 10:00:34,951 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:34,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:34,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1400025771, now seen corresponding path program 1 times [2021-07-14 10:00:34,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:34,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490284167] [2021-07-14 10:00:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:35,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:35,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490284167] [2021-07-14 10:00:35,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490284167] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:35,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588784214] [2021-07-14 10:00:35,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:35,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:00:35,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:35,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588784214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:35,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:35,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 10:00:35,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471437875] [2021-07-14 10:00:35,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:00:35,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:35,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:00:35,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:00:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:35,339 INFO L483 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) [2021-07-14 10:00:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:35,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:35,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:35,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:00:35,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:35,620 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash 205564304, now seen corresponding path program 1 times [2021-07-14 10:00:35,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:35,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102266057] [2021-07-14 10:00:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:35,643 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:35,659 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:35,677 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 10:00:35,677 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 10:00:35,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 10:00:35,682 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 10:00:35,682 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-07-14 10:00:35,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:35,722 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 10:00:35,722 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 10:00:35,733 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:00:35,733 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:00:35,733 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:00:35,733 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:00:35,733 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:00:35,733 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:00:35,733 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:00:35,733 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:00:35,738 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:35,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1746646387, now seen corresponding path program 1 times [2021-07-14 10:00:35,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:35,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410783658] [2021-07-14 10:00:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 10:00:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:35,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:35,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410783658] [2021-07-14 10:00:35,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410783658] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:35,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:35,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:00:35,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45988606] [2021-07-14 10:00:35,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 10:00:35,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:35,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 10:00:35,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 10:00:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:35,764 INFO L483 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) [2021-07-14 10:00:35,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 10:00:35,766 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:35,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1241087762, now seen corresponding path program 1 times [2021-07-14 10:00:35,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:35,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718320071] [2021-07-14 10:00:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:35,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:35,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718320071] [2021-07-14 10:00:35,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718320071] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:35,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:35,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 10:00:35,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014572924] [2021-07-14 10:00:35,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:00:35,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:35,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:00:35,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:00:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:35,789 INFO L483 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) [2021-07-14 10:00:35,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:35,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:35,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 10:00:35,870 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:35,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:35,870 INFO L82 PathProgramCache]: Analyzing trace with hash -798786115, now seen corresponding path program 1 times [2021-07-14 10:00:35,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:35,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466042860] [2021-07-14 10:00:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:35,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:35,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466042860] [2021-07-14 10:00:35,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466042860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:35,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232221990] [2021-07-14 10:00:35,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:35,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 10:00:36,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:36,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232221990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:36,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:36,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 10:00:36,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310632796] [2021-07-14 10:00:36,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:00:36,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:36,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:00:36,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:00:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:36,139 INFO L483 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) [2021-07-14 10:00:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:36,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:36,411 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1833777415, now seen corresponding path program 1 times [2021-07-14 10:00:36,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:36,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945887615] [2021-07-14 10:00:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 10:00:36,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:36,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945887615] [2021-07-14 10:00:36,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945887615] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:36,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:36,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 10:00:36,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072152091] [2021-07-14 10:00:36,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:00:36,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:36,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:00:36,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:00:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:36,468 INFO L483 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) [2021-07-14 10:00:36,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:36,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:36,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:36,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:37,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 10:00:37,226 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:37,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:37,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1248186589, now seen corresponding path program 1 times [2021-07-14 10:00:37,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:37,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625324258] [2021-07-14 10:00:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:37,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:37,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625324258] [2021-07-14 10:00:37,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625324258] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:37,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364335224] [2021-07-14 10:00:37,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:37,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:00:37,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:37,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364335224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:37,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:37,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 10:00:37,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549408765] [2021-07-14 10:00:37,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:00:37,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:37,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:00:37,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:00:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:37,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:37,520 INFO L483 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) [2021-07-14 10:00:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:00:49,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 10:00:49,698 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:49,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1199041274, now seen corresponding path program 1 times [2021-07-14 10:00:49,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:49,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097665075] [2021-07-14 10:00:49,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:49,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:49,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097665075] [2021-07-14 10:00:49,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097665075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:49,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551192635] [2021-07-14 10:00:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:49,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 10:00:49,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:50,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551192635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:50,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:50,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 10:00:50,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038168998] [2021-07-14 10:00:50,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 10:00:50,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:50,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 10:00:50,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 10:00:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:50,022 INFO L483 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) [2021-07-14 10:00:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:50,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:00:50,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:00:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:00:50,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 10:00:50,334 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:50,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:50,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1447758131, now seen corresponding path program 1 times [2021-07-14 10:00:50,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:50,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946629847] [2021-07-14 10:00:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:50,354 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 10:00:50,367 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 10:00:50,384 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 10:00:50,384 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 10:00:50,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-14 10:00:50,390 WARN L243 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 10:00:50,390 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-07-14 10:00:50,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,408 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,409 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 10:00:50,433 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 10:00:50,433 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 10:00:50,438 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:00:50,438 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:00:50,438 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:00:50,438 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:00:50,439 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:00:50,439 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:00:50,439 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:00:50,439 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:00:50,460 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:50,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1277149325, now seen corresponding path program 1 times [2021-07-14 10:00:50,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:50,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095568589] [2021-07-14 10:00:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:50,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:50,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095568589] [2021-07-14 10:00:50,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095568589] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:50,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:50,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:00:50,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529212210] [2021-07-14 10:00:50,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 10:00:50,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:50,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 10:00:50,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 10:00:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,482 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:50,482 INFO L483 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) [2021-07-14 10:00:50,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-14 10:00:50,484 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:50,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1782707950, now seen corresponding path program 1 times [2021-07-14 10:00:50,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:50,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6325010] [2021-07-14 10:00:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:50,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:50,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6325010] [2021-07-14 10:00:50,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6325010] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:50,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:50,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 10:00:50,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690665131] [2021-07-14 10:00:50,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:00:50,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:50,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:00:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:00:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:50,507 INFO L483 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) [2021-07-14 10:00:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:50,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-14 10:00:50,611 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:50,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:50,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1723433951, now seen corresponding path program 1 times [2021-07-14 10:00:50,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:50,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081160038] [2021-07-14 10:00:50,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:50,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:50,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081160038] [2021-07-14 10:00:50,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081160038] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:50,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074993043] [2021-07-14 10:00:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:50,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 10:00:50,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:51,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074993043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:51,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:51,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 10:00:51,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450952158] [2021-07-14 10:00:51,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:00:51,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:51,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:00:51,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:00:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:51,092 INFO L483 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) [2021-07-14 10:00:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:51,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:51,361 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:51,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:51,361 INFO L82 PathProgramCache]: Analyzing trace with hash 807632591, now seen corresponding path program 1 times [2021-07-14 10:00:51,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:51,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141340352] [2021-07-14 10:00:51,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 10:00:51,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:51,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141340352] [2021-07-14 10:00:51,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141340352] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:00:51,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:00:51,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 10:00:51,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843522607] [2021-07-14 10:00:51,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:00:51,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:51,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:00:51,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:00:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:51,432 INFO L483 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) [2021-07-14 10:00:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:51,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:52,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:52,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:52,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:52,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-14 10:00:52,121 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:00:52,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:00:52,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1799956645, now seen corresponding path program 1 times [2021-07-14 10:00:52,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:00:52,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336575650] [2021-07-14 10:00:52,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:00:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:52,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:00:52,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336575650] [2021-07-14 10:00:52,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336575650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:52,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365750355] [2021-07-14 10:00:52,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:00:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:00:52,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:00:52,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:00:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:00:52,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365750355] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:00:52,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:00:52,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 10:00:52,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87610740] [2021-07-14 10:00:52,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:00:52,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:00:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:00:52,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:00:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:52,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:00:52,407 INFO L483 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) [2021-07-14 10:00:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:00:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:00:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:00:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:00:52,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:01:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:01:03,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:01:03,498 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 10:01:03,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:01:03,498 INFO L82 PathProgramCache]: Analyzing trace with hash -196533454, now seen corresponding path program 1 times [2021-07-14 10:01:03,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:01:03,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347099582] [2021-07-14 10:01:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:01:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:01:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:01:03,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:01:03,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347099582] [2021-07-14 10:01:03,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347099582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:01:03,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798043952] [2021-07-14 10:01:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:01:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:01:03,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 10:01:03,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:01:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:01:03,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798043952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:01:03,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:01:03,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 10:01:03,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875411097] [2021-07-14 10:01:03,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 10:01:03,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:01:03,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 10:01:03,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-14 10:01:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:01:03,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:01:03,817 INFO L483 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) [2021-07-14 10:01:03,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:01:03,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:01:03,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:01:03,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:01:03,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:01:03,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.