/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 12:21:12,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 12:21:12,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 12:21:12,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 12:21:12,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 12:21:12,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 12:21:12,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 12:21:12,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 12:21:12,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 12:21:12,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 12:21:12,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 12:21:12,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 12:21:12,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 12:21:12,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 12:21:12,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 12:21:12,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 12:21:12,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 12:21:12,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 12:21:12,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 12:21:12,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 12:21:12,596 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-NewStatesSleep-NoLbe.epf [2021-06-13 12:21:12,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 12:21:12,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 12:21:12,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 12:21:12,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 12:21:12,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 12:21:12,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 12:21:12,618 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 12:21:12,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 12:21:12,618 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 12:21:12,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 12:21:12,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 12:21:12,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 12:21:12,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 12:21:12,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 12:21:12,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 12:21:12,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 12:21:12,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 12:21:12,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 12:21:12,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 12:21:12,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 12:21:12,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 12:21:12,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 12:21:12,622 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 12:21:12,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 12:21:12,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 12:21:12,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 12:21:12,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 12:21:12,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 12:21:12,922 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 12:21:12,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-06-13 12:21:12,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d14ea0/85fddfc74edb4b7e812b2af811bb4ed6/FLAG46e27ad9f [2021-06-13 12:21:13,509 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 12:21:13,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-06-13 12:21:13,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d14ea0/85fddfc74edb4b7e812b2af811bb4ed6/FLAG46e27ad9f [2021-06-13 12:21:13,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77d14ea0/85fddfc74edb4b7e812b2af811bb4ed6 [2021-06-13 12:21:13,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 12:21:13,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 12:21:13,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 12:21:14,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 12:21:14,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 12:21:14,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 12:21:13" (1/1) ... [2021-06-13 12:21:14,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769ac35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14, skipping insertion in model container [2021-06-13 12:21:14,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 12:21:13" (1/1) ... [2021-06-13 12:21:14,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 12:21:14,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 12:21:14,386 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-06-13 12:21:14,390 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-06-13 12:21:14,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 12:21:14,408 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 12:21:14,450 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-06-13 12:21:14,453 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-06-13 12:21:14,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 12:21:14,537 INFO L208 MainTranslator]: Completed translation [2021-06-13 12:21:14,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14 WrapperNode [2021-06-13 12:21:14,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 12:21:14,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 12:21:14,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 12:21:14,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 12:21:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 12:21:14,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 12:21:14,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 12:21:14,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 12:21:14,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (1/1) ... [2021-06-13 12:21:14,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 12:21:14,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 12:21:14,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 12:21:14,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 12:21:14,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (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 [2021-06-13 12:21:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-06-13 12:21:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-06-13 12:21:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-13 12:21:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-06-13 12:21:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 12:21:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 12:21:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 12:21:14,726 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 12:21:15,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 12:21:15,112 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-13 12:21:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 12:21:15 BoogieIcfgContainer [2021-06-13 12:21:15,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 12:21:15,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 12:21:15,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 12:21:15,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 12:21:15,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 12:21:13" (1/3) ... [2021-06-13 12:21:15,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9417ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 12:21:15, skipping insertion in model container [2021-06-13 12:21:15,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 12:21:14" (2/3) ... [2021-06-13 12:21:15,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9417ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 12:21:15, skipping insertion in model container [2021-06-13 12:21:15,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 12:21:15" (3/3) ... [2021-06-13 12:21:15,120 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-06-13 12:21:15,125 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 12:21:15,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 12:21:15,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-13 12:21:15,126 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 12:21:15,153 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,153 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,153 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,153 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,154 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,154 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,155 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,156 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,157 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,157 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,157 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,158 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,158 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,158 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,159 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,160 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,163 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,163 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,163 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,163 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,163 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,168 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 12:21:15,176 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-13 12:21:15,195 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-13 12:21:15,249 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 12:21:15,249 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 12:21:15,249 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 12:21:15,250 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 12:21:15,250 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 12:21:15,250 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 12:21:15,250 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 12:21:15,250 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == de_allocatorThread1of1ForFork0======== [2021-06-13 12:21:15,283 INFO L430 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:15,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:15,287 INFO L82 PathProgramCache]: Analyzing trace with hash 926945334, now seen corresponding path program 1 times [2021-06-13 12:21:15,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:15,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728985025] [2021-06-13 12:21:15,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:15,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:15,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728985025] [2021-06-13 12:21:15,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728985025] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:15,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:15,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 12:21:15,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686921223] [2021-06-13 12:21:15,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 12:21:15,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:15,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 12:21:15,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 12:21:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:15,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:15,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-06-13 12:21:15,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:15,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 12:21:15,722 INFO L430 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:15,723 INFO L82 PathProgramCache]: Analyzing trace with hash 436873332, now seen corresponding path program 1 times [2021-06-13 12:21:15,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:15,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682913641] [2021-06-13 12:21:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:15,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:15,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682913641] [2021-06-13 12:21:15,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682913641] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:15,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:15,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:15,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848824142] [2021-06-13 12:21:15,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:15,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:15,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:15,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:15,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:15,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 12:21:15,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:15,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:15,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:15,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 12:21:15,892 INFO L430 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:15,893 INFO L82 PathProgramCache]: Analyzing trace with hash -998864783, now seen corresponding path program 1 times [2021-06-13 12:21:15,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:15,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529243370] [2021-06-13 12:21:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:16,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:16,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529243370] [2021-06-13 12:21:16,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529243370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:16,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:16,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:16,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494573760] [2021-06-13 12:21:16,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:16,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:16,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:16,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-06-13 12:21:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 12:21:16,183 INFO L430 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:16,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:16,184 INFO L82 PathProgramCache]: Analyzing trace with hash -495177359, now seen corresponding path program 2 times [2021-06-13 12:21:16,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:16,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434795138] [2021-06-13 12:21:16,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:16,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:16,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434795138] [2021-06-13 12:21:16,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434795138] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:16,224 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:16,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:16,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674355665] [2021-06-13 12:21:16,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:16,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:16,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:16,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:16,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-06-13 12:21:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 12:21:16,282 INFO L430 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:16,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:16,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1483686514, now seen corresponding path program 1 times [2021-06-13 12:21:16,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:16,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859210575] [2021-06-13 12:21:16,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:16,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:16,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859210575] [2021-06-13 12:21:16,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859210575] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:16,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:16,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:16,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787179003] [2021-06-13 12:21:16,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:16,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:16,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:16,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:16,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-06-13 12:21:16,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:16,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 12:21:16,491 INFO L301 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/5) [2021-06-13 12:21:16,493 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 12:21:16,504 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 12:21:16,504 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 12:21:16,504 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 12:21:16,504 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 12:21:16,504 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 12:21:16,504 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 12:21:16,505 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 12:21:16,505 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == allocator======== [2021-06-13 12:21:16,622 INFO L301 ceAbstractionStarter]: Result for error location allocator was SAFE (2/5) [2021-06-13 12:21:16,622 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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) [2021-06-13 12:21:16,634 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 12:21:16,635 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 12:21:16,635 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 12:21:16,635 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 12:21:16,635 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 12:21:16,635 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 12:21:16,635 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 12:21:16,635 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == de_allocator======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 12:21:16,746 INFO L301 ceAbstractionStarter]: Result for error location de_allocator was SAFE (3/5) [2021-06-13 12:21:16,747 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-13 12:21:16,754 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 12:21:16,754 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 12:21:16,754 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 12:21:16,755 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 12:21:16,755 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 12:21:16,755 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 12:21:16,755 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 12:21:16,755 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 12:21:16,906 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-13 12:21:16,907 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 12:21:16,912 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 12:21:16,912 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 12:21:16,912 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 12:21:16,912 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 12:21:16,912 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 12:21:16,913 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 12:21:16,913 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 12:21:16,913 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == allocatorThread1of1ForFork1======== [2021-06-13 12:21:16,916 INFO L430 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:16,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:16,917 INFO L82 PathProgramCache]: Analyzing trace with hash -556321059, now seen corresponding path program 1 times [2021-06-13 12:21:16,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:16,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145474822] [2021-06-13 12:21:16,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:17,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:17,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145474822] [2021-06-13 12:21:17,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145474822] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:17,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:17,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 12:21:17,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556619046] [2021-06-13 12:21:17,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 12:21:17,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:17,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 12:21:17,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 12:21:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,014 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:17,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2021-06-13 12:21:17,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 12:21:17,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-13 12:21:17,076 INFO L430 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:17,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:17,077 INFO L82 PathProgramCache]: Analyzing trace with hash -139863713, now seen corresponding path program 1 times [2021-06-13 12:21:17,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:17,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464594272] [2021-06-13 12:21:17,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:17,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:17,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464594272] [2021-06-13 12:21:17,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464594272] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:17,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:17,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:17,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484611373] [2021-06-13 12:21:17,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:17,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:17,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:17,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:17,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 12:21:17,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 12:21:17,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-13 12:21:17,244 INFO L430 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:17,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1207309801, now seen corresponding path program 1 times [2021-06-13 12:21:17,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:17,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586149501] [2021-06-13 12:21:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:17,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:17,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586149501] [2021-06-13 12:21:17,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586149501] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:17,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:17,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 12:21:17,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596780530] [2021-06-13 12:21:17,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 12:21:17,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:17,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 12:21:17,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 12:21:17,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:17,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-06-13 12:21:17,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:17,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-13 12:21:17,335 INFO L430 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 12:21:17,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 12:21:17,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1168958185, now seen corresponding path program 2 times [2021-06-13 12:21:17,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 12:21:17,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269833363] [2021-06-13 12:21:17,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 12:21:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 12:21:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 12:21:17,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 12:21:17,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269833363] [2021-06-13 12:21:17,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269833363] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 12:21:17,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 12:21:17,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 12:21:17,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709478200] [2021-06-13 12:21:17,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 12:21:17,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 12:21:17,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 12:21:17,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 12:21:17,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 12:21:17,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-06-13 12:21:17,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:17,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 12:21:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 12:21:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 12:21:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 12:21:17,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-13 12:21:17,523 INFO L301 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (5/5) [2021-06-13 12:21:17,523 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 12:21:17,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 12:21:17 BasicIcfg [2021-06-13 12:21:17,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 12:21:17,528 INFO L168 Benchmark]: Toolchain (without parser) took 3538.14 ms. Allocated memory was 127.9 MB in the beginning and 224.4 MB in the end (delta: 96.5 MB). Free memory was 103.0 MB in the beginning and 166.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 109.6 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,528 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 12:21:17,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.07 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 102.8 MB in the beginning and 138.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.55 ms. Allocated memory is still 176.2 MB. Free memory was 138.8 MB in the beginning and 136.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,529 INFO L168 Benchmark]: Boogie Preprocessor took 33.95 ms. Allocated memory is still 176.2 MB. Free memory was 136.8 MB in the beginning and 135.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,530 INFO L168 Benchmark]: RCFGBuilder took 481.00 ms. Allocated memory is still 176.2 MB. Free memory was 135.3 MB in the beginning and 149.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,534 INFO L168 Benchmark]: TraceAbstraction took 2411.99 ms. Allocated memory was 176.2 MB in the beginning and 224.4 MB in the end (delta: 48.2 MB). Free memory was 148.8 MB in the beginning and 166.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 107.9 MB. Max. memory is 8.0 GB. [2021-06-13 12:21:17,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 539.07 ms. Allocated memory was 127.9 MB in the beginning and 176.2 MB in the end (delta: 48.2 MB). Free memory was 102.8 MB in the beginning and 138.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.55 ms. Allocated memory is still 176.2 MB. Free memory was 138.8 MB in the beginning and 136.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.95 ms. Allocated memory is still 176.2 MB. Free memory was 136.8 MB in the beginning and 135.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 481.00 ms. Allocated memory is still 176.2 MB. Free memory was 135.3 MB in the beginning and 149.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2411.99 ms. Allocated memory was 176.2 MB in the beginning and 224.4 MB in the end (delta: 48.2 MB). Free memory was 148.8 MB in the beginning and 166.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 107.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2875, positive: 2640, positive conditional: 2640, positive unconditional: 0, negative: 235, negative conditional: 235, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2670, positive: 2640, positive conditional: 2640, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2670, positive: 2632, positive conditional: 0, positive unconditional: 2632, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, positive: 444, positive conditional: 0, positive unconditional: 444, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2670, positive: 2188, positive conditional: 0, positive unconditional: 2188, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 452, unknown conditional: 0, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 141, negative conditional: 6, negative unconditional: 135, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 135, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 141, negative conditional: 6, negative unconditional: 135, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 135, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 141, negative conditional: 6, negative unconditional: 135, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 135, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 141, negative conditional: 6, negative unconditional: 135, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 135, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 145, negative conditional: 10, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 2, positive unconditional: 11, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 141, negative conditional: 6, negative unconditional: 135, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 445, Positive conditional cache size: 1, Positive unconditional cache size: 444, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 135 ], Maximal queried relation: 5, Independence queries for same thread: 205 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2967, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 0, positive unconditional: 2619, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 634, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 634, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2660, positive: 1994, positive conditional: 0, positive unconditional: 1994, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 634, unknown conditional: 0, unknown unconditional: 634] , Statistics on independence cache: Total cache size (in pairs): 634, Positive cache size: 625, Positive conditional cache size: 0, Positive unconditional cache size: 625, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 307 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2967, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 0, positive unconditional: 2619, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 634, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 634, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2660, positive: 1994, positive conditional: 0, positive unconditional: 1994, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 634, unknown conditional: 0, unknown unconditional: 634] , Statistics on independence cache: Total cache size (in pairs): 634, Positive cache size: 625, Positive conditional cache size: 0, Positive unconditional cache size: 625, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 307 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2967, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 2619, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2660, positive: 2619, positive conditional: 0, positive unconditional: 2619, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 634, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 634, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2660, positive: 1994, positive conditional: 0, positive unconditional: 1994, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 634, unknown conditional: 0, unknown unconditional: 634] , Statistics on independence cache: Total cache size (in pairs): 634, Positive cache size: 625, Positive conditional cache size: 0, Positive unconditional cache size: 625, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 307 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2894, positive: 2629, positive conditional: 2629, positive unconditional: 0, negative: 265, negative conditional: 265, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2662, positive: 2629, positive conditional: 2629, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2662, positive: 2625, positive conditional: 0, positive unconditional: 2625, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, positive: 487, positive conditional: 0, positive unconditional: 487, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 495, positive: 481, positive conditional: 0, positive unconditional: 481, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 10, positive conditional: 2, positive unconditional: 9, negative: 62, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2662, positive: 2138, positive conditional: 0, positive unconditional: 2138, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 495, unknown conditional: 0, unknown unconditional: 495] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 488, Positive conditional cache size: 1, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 10, positive conditional: 2, positive unconditional: 9, negative: 62, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 113, negative conditional: 7, negative unconditional: 106, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 488, Positive conditional cache size: 1, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 106, SemanticConditionEliminator.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 10, positive conditional: 2, positive unconditional: 9, negative: 62, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 113, negative conditional: 7, negative unconditional: 106, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 488, Positive conditional cache size: 1, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 106, SemanticConditionEliminator.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 10, positive conditional: 2, positive unconditional: 9, negative: 62, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 113, negative conditional: 7, negative unconditional: 106, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 488, Positive conditional cache size: 1, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 106, SemanticConditionEliminator.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 117, negative conditional: 11, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 10, positive conditional: 2, positive unconditional: 9, negative: 62, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 113, negative conditional: 7, negative unconditional: 106, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 488, Positive conditional cache size: 1, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 4, Negative unconditional cache size: 8, Eliminated conditions: 106 ], Maximal queried relation: 4, Independence queries for same thread: 232 - PositiveResult [Line: 710]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: de_allocatorThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1281.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 565.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.0ms SsaConstructionTime, 91.9ms SatisfiabilityAnalysisTime, 382.7ms InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: allocator with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 126.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3.0ms, PartialOrderReductionTime: 113.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: de_allocator with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 122.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 104.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 157.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 148.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: allocatorThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 615.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 372.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.3ms SsaConstructionTime, 35.6ms SatisfiabilityAnalysisTime, 145.8ms InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...