/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 08:41:59,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 08:41:59,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 08:41:59,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-11 08:41:59,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 08:41:59,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 08:41:59,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 08:41:59,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 08:41:59,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 08:41:59,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 08:41:59,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 08:41:59,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 08:41:59,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 08:41:59,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 08:41:59,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 08:41:59,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 08:41:59,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 08:41:59,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 08:41:59,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 08:41:59,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 08:41:59,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 08:41:59,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 08:41:59,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 08:41:59,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 08:41:59,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 08:41:59,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 08:41:59,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 08:41:59,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 08:41:59,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 08:41:59,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 08:41:59,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 08:41:59,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:41:59,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 08:41:59,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 08:41:59,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 08:41:59,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 08:41:59,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 08:41:59,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 08:41:59,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 08:41:59,673 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 08:41:59,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-02-11 08:41:59,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba681dfe8/5733ff5e0fc247d59765e7efee47a302/FLAGc9417854b [2022-02-11 08:42:00,118 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 08:42:00,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-02-11 08:42:00,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba681dfe8/5733ff5e0fc247d59765e7efee47a302/FLAGc9417854b [2022-02-11 08:42:00,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba681dfe8/5733ff5e0fc247d59765e7efee47a302 [2022-02-11 08:42:00,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 08:42:00,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 08:42:00,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 08:42:00,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 08:42:00,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 08:42:00,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed783cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00, skipping insertion in model container [2022-02-11 08:42:00,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 08:42:00,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 08:42:00,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-02-11 08:42:00,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:42:00,408 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 08:42:00,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-02-11 08:42:00,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:42:00,483 INFO L208 MainTranslator]: Completed translation [2022-02-11 08:42:00,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00 WrapperNode [2022-02-11 08:42:00,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 08:42:00,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 08:42:00,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 08:42:00,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 08:42:00,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,519 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-02-11 08:42:00,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 08:42:00,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 08:42:00,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 08:42:00,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 08:42:00,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 08:42:00,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 08:42:00,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 08:42:00,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 08:42:00,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (1/1) ... [2022-02-11 08:42:00,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:42:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:42:00,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 08:42:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 08:42:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 08:42:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 08:42:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 08:42:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 08:42:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 08:42:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 08:42:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 08:42:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 08:42:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 08:42:00,620 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 08:42:00,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 08:42:00,726 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 08:42:00,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 08:42:00,881 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 08:42:00,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 08:42:00,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 08:42:00,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:42:00 BoogieIcfgContainer [2022-02-11 08:42:00,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 08:42:00,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 08:42:00,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 08:42:00,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 08:42:00,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 08:42:00" (1/3) ... [2022-02-11 08:42:00,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae50dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:42:00, skipping insertion in model container [2022-02-11 08:42:00,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:00" (2/3) ... [2022-02-11 08:42:00,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae50dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:42:00, skipping insertion in model container [2022-02-11 08:42:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:42:00" (3/3) ... [2022-02-11 08:42:00,899 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2022-02-11 08:42:00,902 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 08:42:00,902 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 08:42:00,902 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-11 08:42:00,902 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 08:42:00,920 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,920 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,920 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,920 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,921 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,922 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,923 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,926 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,926 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,926 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,927 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:00,928 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 08:42:00,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 08:42:00,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:42:00,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 08:42:00,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 08:42:00,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 08:42:01,003 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 08:42:01,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 08:42:01,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 08:42:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:42:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash 47225093, now seen corresponding path program 1 times [2022-02-11 08:42:01,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:42:01,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539701460] [2022-02-11 08:42:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:42:01,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:42:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:42:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:42:01,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:42:01,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539701460] [2022-02-11 08:42:01,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539701460] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:42:01,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:42:01,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 08:42:01,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942783421] [2022-02-11 08:42:01,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:42:01,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 08:42:01,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:42:01,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 08:42:01,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 08:42:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:01,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:42:01,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 08:42:01,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 08:42:01,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 08:42:01,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 08:42:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:42:01,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1436970815, now seen corresponding path program 1 times [2022-02-11 08:42:01,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:42:01,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705684019] [2022-02-11 08:42:01,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:42:01,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:42:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:42:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:42:01,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:42:01,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705684019] [2022-02-11 08:42:01,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705684019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:42:01,710 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:42:01,710 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 08:42:01,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490367164] [2022-02-11 08:42:01,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:42:01,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 08:42:01,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:42:01,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 08:42:01,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 08:42:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:01,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:42:01,714 INFO L471 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) [2022-02-11 08:42:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 08:42:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 08:42:02,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 08:42:02,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 08:42:02,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-11 08:42:02,169 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 08:42:02,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 08:42:02,172 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 08:42:02,174 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 08:42:02,174 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 08:42:02,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 08:42:02 BasicIcfg [2022-02-11 08:42:02,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 08:42:02,176 INFO L158 Benchmark]: Toolchain (without parser) took 2030.71ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 151.7MB in the beginning and 138.9MB in the end (delta: 12.8MB). Peak memory consumption was 65.6MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,176 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory was 170.0MB in the beginning and 170.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 08:42:02,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.70ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 151.5MB in the beginning and 227.0MB in the end (delta: -75.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.88ms. Allocated memory is still 257.9MB. Free memory was 227.0MB in the beginning and 225.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,177 INFO L158 Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 257.9MB. Free memory was 225.3MB in the beginning and 223.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,178 INFO L158 Benchmark]: RCFGBuilder took 343.97ms. Allocated memory is still 257.9MB. Free memory was 223.9MB in the beginning and 210.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,178 INFO L158 Benchmark]: TraceAbstraction took 1282.32ms. Allocated memory is still 257.9MB. Free memory was 210.2MB in the beginning and 138.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2022-02-11 08:42:02,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory was 170.0MB in the beginning and 170.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 337.70ms. Allocated memory was 204.5MB in the beginning and 257.9MB in the end (delta: 53.5MB). Free memory was 151.5MB in the beginning and 227.0MB in the end (delta: -75.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.88ms. Allocated memory is still 257.9MB. Free memory was 227.0MB in the beginning and 225.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.65ms. Allocated memory is still 257.9MB. Free memory was 225.3MB in the beginning and 223.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 343.97ms. Allocated memory is still 257.9MB. Free memory was 223.9MB in the beginning and 210.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1282.32ms. Allocated memory is still 257.9MB. Free memory was 210.2MB in the beginning and 138.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 375, positive: 359, positive conditional: 42, positive unconditional: 317, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 869, positive: 847, positive conditional: 82, positive unconditional: 765, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 869, positive: 847, positive conditional: 82, positive unconditional: 765, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 872, positive: 847, positive conditional: 65, positive unconditional: 782, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 872, positive: 847, positive conditional: 25, positive unconditional: 822, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 872, positive: 847, positive conditional: 25, positive unconditional: 822, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 583, positive: 564, positive conditional: 3, positive unconditional: 561, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 583, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 415, positive: 34, positive conditional: 10, positive unconditional: 24, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 359, unknown conditional: 0, unknown unconditional: 359] ], Cache Queries: [ total: 872, positive: 283, positive conditional: 22, positive unconditional: 261, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 583, unknown conditional: 5, unknown unconditional: 578] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 564, Positive conditional cache size: 3, Positive unconditional cache size: 561, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 41, Maximal queried relation: 2, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 73, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 375, positive: 359, positive conditional: 42, positive unconditional: 317, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 869, positive: 847, positive conditional: 82, positive unconditional: 765, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 869, positive: 847, positive conditional: 82, positive unconditional: 765, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 872, positive: 847, positive conditional: 65, positive unconditional: 782, negative: 25, negative conditional: 3, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 872, positive: 847, positive conditional: 25, positive unconditional: 822, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 872, positive: 847, positive conditional: 25, positive unconditional: 822, negative: 25, negative conditional: 2, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 583, positive: 564, positive conditional: 3, positive unconditional: 561, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 583, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 415, positive: 34, positive conditional: 10, positive unconditional: 24, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 359, unknown conditional: 0, unknown unconditional: 359] ], Cache Queries: [ total: 872, positive: 283, positive conditional: 22, positive unconditional: 261, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 583, unknown conditional: 5, unknown unconditional: 578] , Statistics on independence cache: Total cache size (in pairs): 583, Positive cache size: 564, Positive conditional cache size: 3, Positive unconditional cache size: 561, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 41, Maximal queried relation: 2, Independence queries for same thread: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-02-11 08:42:02,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 08:42:02,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...