/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 00:53:43,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 00:53:43,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 00:53:43,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 00:53:43,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 00:53:43,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 00:53:43,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 00:53:43,140 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.epf [2022-02-19 00:53:43,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 00:53:43,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 00:53:43,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 00:53:43,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 00:53:43,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 00:53:43,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 00:53:43,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 00:53:43,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 00:53:43,154 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 00:53:43,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 00:53:43,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 00:53:43,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 00:53:43,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:53:43,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 00:53:43,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 00:53:43,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 00:53:43,158 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 00:53:43,158 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 00:53:43,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 00:53:43,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 00:53:43,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 00:53:43,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 00:53:43,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 00:53:43,333 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 00:53:43,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-02-19 00:53:43,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de707de82/34999eca9fde45f8b5deee4940947607/FLAGae3c0720f [2022-02-19 00:53:43,784 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 00:53:43,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-02-19 00:53:43,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de707de82/34999eca9fde45f8b5deee4940947607/FLAGae3c0720f [2022-02-19 00:53:43,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de707de82/34999eca9fde45f8b5deee4940947607 [2022-02-19 00:53:43,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 00:53:43,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 00:53:43,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 00:53:43,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 00:53:43,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 00:53:43,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:53:43" (1/1) ... [2022-02-19 00:53:43,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d62e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:43, skipping insertion in model container [2022-02-19 00:53:43,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:53:43" (1/1) ... [2022-02-19 00:53:43,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 00:53:43,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 00:53:43,981 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_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-02-19 00:53:44,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:53:44,072 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 00:53:44,082 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_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-02-19 00:53:44,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:53:44,147 INFO L208 MainTranslator]: Completed translation [2022-02-19 00:53:44,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44 WrapperNode [2022-02-19 00:53:44,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 00:53:44,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 00:53:44,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 00:53:44,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 00:53:44,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,196 INFO L137 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-02-19 00:53:44,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 00:53:44,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 00:53:44,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 00:53:44,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 00:53:44,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 00:53:44,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 00:53:44,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 00:53:44,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 00:53:44,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (1/1) ... [2022-02-19 00:53:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:53:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:53:44,251 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) [2022-02-19 00:53:44,267 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 [2022-02-19 00:53:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 00:53:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 00:53:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 00:53:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 00:53:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 00:53:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 00:53:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 00:53:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 00:53:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 00:53:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 00:53:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 00:53:44,287 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 00:53:44,414 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 00:53:44,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 00:53:44,524 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 00:53:44,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 00:53:44,529 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 00:53:44,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:53:44 BoogieIcfgContainer [2022-02-19 00:53:44,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 00:53:44,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 00:53:44,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 00:53:44,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 00:53:44,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 12:53:43" (1/3) ... [2022-02-19 00:53:44,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717adad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:53:44, skipping insertion in model container [2022-02-19 00:53:44,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:53:44" (2/3) ... [2022-02-19 00:53:44,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717adad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:53:44, skipping insertion in model container [2022-02-19 00:53:44,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:53:44" (3/3) ... [2022-02-19 00:53:44,536 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2022-02-19 00:53:44,539 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 00:53:44,539 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 00:53:44,539 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-19 00:53:44,539 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 00:53:44,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,566 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:53:44,569 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 00:53:44,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 00:53:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:53:44,602 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) [2022-02-19 00:53:44,603 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 [2022-02-19 00:53:44,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 00:53:44,639 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 00:53:44,639 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 00:53:44,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 00:53:44,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:53:44,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1177444784, now seen corresponding path program 1 times [2022-02-19 00:53:44,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:53:44,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264340689] [2022-02-19 00:53:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:53:44,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:53:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:53:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:53:44,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:53:44,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264340689] [2022-02-19 00:53:44,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264340689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:53:44,946 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:53:44,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 00:53:44,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629693839] [2022-02-19 00:53:44,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:53:44,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 00:53:44,951 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:53:44,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 00:53:44,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 00:53:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:44,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:53:44,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-02-19 00:53:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 00:53:45,193 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 00:53:45,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:53:45,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1404465541, now seen corresponding path program 1 times [2022-02-19 00:53:45,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:53:45,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424328097] [2022-02-19 00:53:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:53:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:53:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:53:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:53:45,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:53:45,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424328097] [2022-02-19 00:53:45,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424328097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:53:45,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:53:45,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 00:53:45,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482600899] [2022-02-19 00:53:45,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:53:45,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 00:53:45,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:53:45,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 00:53:45,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 00:53:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:53:45,263 INFO L471 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) [2022-02-19 00:53:45,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 00:53:45,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 00:53:45,310 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 00:53:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:53:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1546523805, now seen corresponding path program 1 times [2022-02-19 00:53:45,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:53:45,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684137708] [2022-02-19 00:53:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:53:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:53:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:53:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:53:45,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:53:45,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684137708] [2022-02-19 00:53:45,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684137708] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:53:45,445 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:53:45,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 00:53:45,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415970723] [2022-02-19 00:53:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:53:45,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 00:53:45,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:53:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 00:53:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 00:53:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:53:45,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2022-02-19 00:53:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 00:53:45,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 00:53:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 00:53:45,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 00:53:45,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 00:53:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:53:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1764941671, now seen corresponding path program 2 times [2022-02-19 00:53:45,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:53:45,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260035525] [2022-02-19 00:53:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:53:45,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:53:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:53:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:53:45,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:53:45,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260035525] [2022-02-19 00:53:45,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260035525] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:53:45,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:53:45,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 00:53:45,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889561652] [2022-02-19 00:53:45,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:53:45,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 00:53:45,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:53:45,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 00:53:45,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 00:53:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:53:45,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2022-02-19 00:53:45,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 00:53:45,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 00:53:45,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:53:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 00:53:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 00:53:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 00:53:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 00:53:45,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 00:53:45,824 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-19 00:53:45,825 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 00:53:45,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 00:53:45,834 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-02-19 00:53:45,835 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 00:53:45,835 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 00:53:45,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 12:53:45 BasicIcfg [2022-02-19 00:53:45,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 00:53:45,840 INFO L158 Benchmark]: Toolchain (without parser) took 2032.00ms. Allocated memory was 166.7MB in the beginning and 203.4MB in the end (delta: 36.7MB). Free memory was 114.0MB in the beginning and 146.7MB in the end (delta: -32.7MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,841 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 00:53:45,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.62ms. Allocated memory was 166.7MB in the beginning and 203.4MB in the end (delta: 36.7MB). Free memory was 113.8MB in the beginning and 169.4MB in the end (delta: -55.6MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.94ms. Allocated memory is still 203.4MB. Free memory was 169.4MB in the beginning and 167.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,847 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 203.4MB. Free memory was 167.7MB in the beginning and 166.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,847 INFO L158 Benchmark]: RCFGBuilder took 306.11ms. Allocated memory is still 203.4MB. Free memory was 166.3MB in the beginning and 153.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,848 INFO L158 Benchmark]: TraceAbstraction took 1308.33ms. Allocated memory is still 203.4MB. Free memory was 153.0MB in the beginning and 146.7MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-19 00:53:45,849 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 166.7MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.62ms. Allocated memory was 166.7MB in the beginning and 203.4MB in the end (delta: 36.7MB). Free memory was 113.8MB in the beginning and 169.4MB in the end (delta: -55.6MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.94ms. Allocated memory is still 203.4MB. Free memory was 169.4MB in the beginning and 167.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.90ms. Allocated memory is still 203.4MB. Free memory was 167.7MB in the beginning and 166.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 306.11ms. Allocated memory is still 203.4MB. Free memory was 166.3MB in the beginning and 153.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1308.33ms. Allocated memory is still 203.4MB. Free memory was 153.0MB in the beginning and 146.7MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 643, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 30, negative conditional: 12, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 637, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 637, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, positive: 613, positive conditional: 178, positive unconditional: 435, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 653, positive: 613, positive conditional: 112, positive unconditional: 501, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 653, positive: 613, positive conditional: 112, positive unconditional: 501, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 460, positive: 433, positive conditional: 1, positive unconditional: 432, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 460, positive: 414, positive conditional: 0, positive unconditional: 414, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 77, positive conditional: 5, positive unconditional: 72, negative: 70, negative conditional: 27, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 653, positive: 180, positive conditional: 111, positive unconditional: 69, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 460, unknown conditional: 10, unknown unconditional: 450] , Statistics on independence cache: Total cache size (in pairs): 460, Positive cache size: 433, Positive conditional cache size: 1, Positive unconditional cache size: 432, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 71, Maximal queried relation: 4, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 175, Number of trivial persistent sets: 175, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 450, positive: 432, positive conditional: 0, positive unconditional: 432, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 643, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 30, negative conditional: 12, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 637, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 637, positive: 613, positive conditional: 181, positive unconditional: 432, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, positive: 613, positive conditional: 178, positive unconditional: 435, negative: 40, negative conditional: 16, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 653, positive: 613, positive conditional: 112, positive unconditional: 501, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 653, positive: 613, positive conditional: 112, positive unconditional: 501, negative: 40, negative conditional: 11, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 460, positive: 433, positive conditional: 1, positive unconditional: 432, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 460, positive: 414, positive conditional: 0, positive unconditional: 414, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 27, negative conditional: 9, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 77, positive conditional: 5, positive unconditional: 72, negative: 70, negative conditional: 27, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 653, positive: 180, positive conditional: 111, positive unconditional: 69, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 460, unknown conditional: 10, unknown unconditional: 450] , Statistics on independence cache: Total cache size (in pairs): 460, Positive cache size: 433, Positive conditional cache size: 1, Positive unconditional cache size: 432, Negative cache size: 27, Negative conditional cache size: 9, Negative unconditional cache size: 18, Eliminated conditions: 71, Maximal queried relation: 4, Independence queries for same thread: 6 - 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, 99 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 0.4s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 573 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! [2022-02-19 00:53:45,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 00:53:46,087 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...