/usr/bin/java -Xmx16000000000 -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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 02:12:47,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 02:12:47,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 02:12:47,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 02:12:47,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 02:12:47,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 02:12:47,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 02:12:47,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 02:12:47,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 02:12:47,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 02:12:47,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 02:12:47,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 02:12:47,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 02:12:47,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 02:12:47,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 02:12:47,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 02:12:47,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 02:12:47,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 02:12:47,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 02:12:47,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 02:12:47,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 02:12:47,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 02:12:47,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 02:12:47,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 02:12:47,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 02:12:47,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 02:12:47,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 02:12:47,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 02:12:47,412 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-Lockstep.epf [2021-11-14 02:12:47,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 02:12:47,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 02:12:47,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 02:12:47,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 02:12:47,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 02:12:47,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 02:12:47,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 02:12:47,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 02:12:47,426 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 02:12:47,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 02:12:47,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 02:12:47,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 02:12:47,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 02:12:47,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 02:12:47,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 02:12:47,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 02:12:47,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 02:12:47,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 02:12:47,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 02:12:47,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 02:12:47,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 02:12:47,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 02:12:47,579 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 02:12:47,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2021-11-14 02:12:47,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb68ac4/bf5bcc657f8248638edf59d37ec648db/FLAG465410926 [2021-11-14 02:12:47,997 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 02:12:47,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2021-11-14 02:12:48,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb68ac4/bf5bcc657f8248638edf59d37ec648db/FLAG465410926 [2021-11-14 02:12:48,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3eb68ac4/bf5bcc657f8248638edf59d37ec648db [2021-11-14 02:12:48,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 02:12:48,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 02:12:48,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 02:12:48,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 02:12:48,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 02:12:48,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ddb838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48, skipping insertion in model container [2021-11-14 02:12:48,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 02:12:48,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 02:12:48,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] [2021-11-14 02:12:48,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 02:12:48,693 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 02:12:48,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] [2021-11-14 02:12:48,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 02:12:48,741 INFO L208 MainTranslator]: Completed translation [2021-11-14 02:12:48,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48 WrapperNode [2021-11-14 02:12:48,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 02:12:48,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 02:12:48,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 02:12:48,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 02:12:48,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 02:12:48,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 02:12:48,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 02:12:48,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 02:12:48,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 02:12:48,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 02:12:48,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 02:12:48,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 02:12:48,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (1/1) ... [2021-11-14 02:12:48,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 02:12:48,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 02:12:48,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 02:12:48,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 02:12:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 02:12:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-14 02:12:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 02:12:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 02:12:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-14 02:12:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-14 02:12:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 02:12:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 02:12:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 02:12:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 02:12:48,980 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 02:12:49,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 02:12:49,140 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 02:12:49,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:12:49 BoogieIcfgContainer [2021-11-14 02:12:49,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 02:12:49,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 02:12:49,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 02:12:49,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 02:12:49,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:12:48" (1/3) ... [2021-11-14 02:12:49,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c6518c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:12:49, skipping insertion in model container [2021-11-14 02:12:49,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:48" (2/3) ... [2021-11-14 02:12:49,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c6518c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:12:49, skipping insertion in model container [2021-11-14 02:12:49,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:12:49" (3/3) ... [2021-11-14 02:12:49,146 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2021-11-14 02:12:49,149 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 02:12:49,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 02:12:49,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 02:12:49,149 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 02:12:49,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,163 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:49,170 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 02:12:49,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 02:12:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 02:12:49,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 02:12:49,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 02:12:49,218 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 02:12:49,222 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 [2021-11-14 02:12:49,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 02:12:49,357 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:49,361 INFO L85 PathProgramCache]: Analyzing trace with hash 472369677, now seen corresponding path program 1 times [2021-11-14 02:12:49,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:49,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359591152] [2021-11-14 02:12:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:49,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:49,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:49,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359591152] [2021-11-14 02:12:49,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359591152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:49,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:49,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 02:12:49,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704569774] [2021-11-14 02:12:49,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:49,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 02:12:49,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 02:12:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-14 02:12:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:49,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 02:12:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:49,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 02:12:49,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:49,731 INFO L85 PathProgramCache]: Analyzing trace with hash -853486921, now seen corresponding path program 2 times [2021-11-14 02:12:49,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:49,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734157727] [2021-11-14 02:12:49,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:49,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:49,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:49,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734157727] [2021-11-14 02:12:49,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734157727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:49,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:49,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 02:12:49,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375972573] [2021-11-14 02:12:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:49,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 02:12:49,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 02:12:49,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 02:12:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,773 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:49,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 02:12:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:49,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:49,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 02:12:49,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:49,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash -290331529, now seen corresponding path program 3 times [2021-11-14 02:12:49,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:49,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866554180] [2021-11-14 02:12:49,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:49,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:49,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:49,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866554180] [2021-11-14 02:12:49,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866554180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:49,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:49,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 02:12:49,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148754044] [2021-11-14 02:12:49,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:49,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 02:12:49,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:49,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 02:12:49,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 02:12:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:49,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 02:12:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:49,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 02:12:49,999 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:50,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:50,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1725417405, now seen corresponding path program 4 times [2021-11-14 02:12:50,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:50,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725920769] [2021-11-14 02:12:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:50,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:50,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:50,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725920769] [2021-11-14 02:12:50,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725920769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:50,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:50,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 02:12:50,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140205822] [2021-11-14 02:12:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:50,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 02:12:50,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:50,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 02:12:50,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 02:12:50,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:50,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:50,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 02:12:50,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:50,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:50,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:50,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 02:12:50,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-14 02:12:50,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 02:12:50,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 02:12:50,193 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2021-11-14 02:12:50,194 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 02:12:50,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 02:12:50,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:12:50 BasicIcfg [2021-11-14 02:12:50,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 02:12:50,199 INFO L158 Benchmark]: Toolchain (without parser) took 1788.79ms. Allocated memory was 375.4MB in the beginning and 555.7MB in the end (delta: 180.4MB). Free memory was 319.5MB in the beginning and 429.8MB in the end (delta: -110.2MB). Peak memory consumption was 73.2MB. Max. memory is 16.0GB. [2021-11-14 02:12:50,199 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 375.4MB. Free memory is still 337.8MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 02:12:50,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.41ms. Allocated memory was 375.4MB in the beginning and 555.7MB in the end (delta: 180.4MB). Free memory was 319.3MB in the beginning and 522.0MB in the end (delta: -202.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.0GB. [2021-11-14 02:12:50,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 555.7MB. Free memory was 522.0MB in the beginning and 519.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 02:12:50,202 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 555.7MB. Free memory was 519.9MB in the beginning and 518.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 02:12:50,202 INFO L158 Benchmark]: RCFGBuilder took 325.76ms. Allocated memory is still 555.7MB. Free memory was 518.6MB in the beginning and 507.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-14 02:12:50,204 INFO L158 Benchmark]: TraceAbstraction took 1056.17ms. Allocated memory is still 555.7MB. Free memory was 506.7MB in the beginning and 429.8MB in the end (delta: 76.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.0GB. [2021-11-14 02:12:50,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 375.4MB. Free memory is still 337.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 331.41ms. Allocated memory was 375.4MB in the beginning and 555.7MB in the end (delta: 180.4MB). Free memory was 319.3MB in the beginning and 522.0MB in the end (delta: -202.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 555.7MB. Free memory was 522.0MB in the beginning and 519.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 555.7MB. Free memory was 519.9MB in the beginning and 518.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 325.76ms. Allocated memory is still 555.7MB. Free memory was 518.6MB in the beginning and 507.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1056.17ms. Allocated memory is still 555.7MB. Free memory was 506.7MB in the beginning and 429.8MB in the end (delta: 76.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 628, positive: 574, positive conditional: 188, positive unconditional: 386, negative: 54, negative conditional: 26, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 628, positive: 574, positive conditional: 97, positive unconditional: 477, negative: 54, negative conditional: 16, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 628, positive: 574, positive conditional: 97, positive unconditional: 477, negative: 54, negative conditional: 16, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 378, positive: 358, positive conditional: 2, positive unconditional: 356, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 378, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 2, positive unconditional: 12, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 83, positive conditional: 4, positive unconditional: 79, negative: 39, negative conditional: 12, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 628, positive: 216, positive conditional: 95, positive unconditional: 121, negative: 34, negative conditional: 10, negative unconditional: 24, unknown: 378, unknown conditional: 8, unknown unconditional: 370] , Statistics on independence cache: Total cache size (in pairs): 378, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 20, Negative conditional cache size: 6, Negative unconditional cache size: 14, Eliminated conditions: 101, Maximal queried relation: 4, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 141.33ms, Number of persistent set computation: 132, Number of trivial persistent sets: 115, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370, positive: 356, positive conditional: 0, positive unconditional: 356, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, positive: 574, positive conditional: 218, positive unconditional: 356, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 628, positive: 574, positive conditional: 188, positive unconditional: 386, negative: 54, negative conditional: 26, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 628, positive: 574, positive conditional: 97, positive unconditional: 477, negative: 54, negative conditional: 16, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 628, positive: 574, positive conditional: 97, positive unconditional: 477, negative: 54, negative conditional: 16, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 378, positive: 358, positive conditional: 2, positive unconditional: 356, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 378, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 2, positive unconditional: 12, negative: 20, negative conditional: 6, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 83, positive conditional: 4, positive unconditional: 79, negative: 39, negative conditional: 12, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 628, positive: 216, positive conditional: 95, positive unconditional: 121, negative: 34, negative conditional: 10, negative unconditional: 24, unknown: 378, unknown conditional: 8, unknown unconditional: 370] , Statistics on independence cache: Total cache size (in pairs): 378, Positive cache size: 358, Positive conditional cache size: 2, Positive unconditional cache size: 356, Negative cache size: 20, Negative conditional cache size: 6, Negative unconditional cache size: 14, Eliminated conditions: 101, Maximal queried relation: 4, Independence queries for same thread: 0 - 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 02:12:50,252 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 [2021-11-14 02:12:50,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...