/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 02:55:38,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 02:55:38,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 02:55:38,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 02:55:38,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 02:55:38,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 02:55:38,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 02:55:38,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 02:55:38,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 02:55:38,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 02:55:38,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 02:55:38,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 02:55:38,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 02:55:38,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 02:55:38,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 02:55:38,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 02:55:38,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 02:55:38,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 02:55:38,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 02:55:38,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 02:55:38,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 02:55:38,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 02:55:38,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 02:55:38,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 02:55:38,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 02:55:38,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 02:55:38,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 02:55:38,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 02:55:38,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 02:55:38,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 02:55:38,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 02:55:38,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 02:55:38,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 02:55:38,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 02:55:38,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 02:55:38,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 02:55:38,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 02:55:38,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 02:55:38,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 02:55:38,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:55:38,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 02:55:38,287 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 02:55:38,288 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 02:55:38,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 02:55:38,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 02:55:38,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 02:55:38,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 02:55:38,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 02:55:38,491 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 02:55:38,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2022-02-11 02:55:38,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d66429b6/e08f493a0a2a4c9e8dfae5e4545ac943/FLAGae4f914aa [2022-02-11 02:55:38,941 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 02:55:38,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2022-02-11 02:55:38,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d66429b6/e08f493a0a2a4c9e8dfae5e4545ac943/FLAGae4f914aa [2022-02-11 02:55:38,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d66429b6/e08f493a0a2a4c9e8dfae5e4545ac943 [2022-02-11 02:55:38,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 02:55:38,967 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 02:55:38,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 02:55:38,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 02:55:38,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 02:55:38,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:55:38" (1/1) ... [2022-02-11 02:55:38,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c929fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:38, skipping insertion in model container [2022-02-11 02:55:38,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:55:38" (1/1) ... [2022-02-11 02:55:38,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 02:55:39,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 02:55:39,228 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_19-publish-precision_true.i[1094,1107] [2022-02-11 02:55:39,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:55:39,355 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 02:55:39,364 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_19-publish-precision_true.i[1094,1107] [2022-02-11 02:55:39,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:55:39,419 INFO L208 MainTranslator]: Completed translation [2022-02-11 02:55:39,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39 WrapperNode [2022-02-11 02:55:39,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 02:55:39,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 02:55:39,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 02:55:39,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 02:55:39,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,459 INFO L137 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-02-11 02:55:39,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 02:55:39,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 02:55:39,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 02:55:39,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 02:55:39,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 02:55:39,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 02:55:39,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 02:55:39,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 02:55:39,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (1/1) ... [2022-02-11 02:55:39,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:55:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:55:39,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 02:55:39,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 02:55:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 02:55:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 02:55:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 02:55:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 02:55:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 02:55:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 02:55:39,548 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 02:55:39,645 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 02:55:39,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 02:55:39,832 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 02:55:39,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 02:55:39,837 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 02:55:39,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:55:39 BoogieIcfgContainer [2022-02-11 02:55:39,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 02:55:39,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 02:55:39,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 02:55:39,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 02:55:39,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 02:55:38" (1/3) ... [2022-02-11 02:55:39,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590b4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:55:39, skipping insertion in model container [2022-02-11 02:55:39,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:55:39" (2/3) ... [2022-02-11 02:55:39,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590b4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:55:39, skipping insertion in model container [2022-02-11 02:55:39,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:55:39" (3/3) ... [2022-02-11 02:55:39,845 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2022-02-11 02:55:39,861 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 02:55:39,861 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 02:55:39,861 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-11 02:55:39,861 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 02:55:39,890 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,890 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,891 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,892 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,893 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,893 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,893 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,893 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,893 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,894 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,895 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,896 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,896 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,896 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,896 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,899 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,899 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,899 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,899 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,900 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,900 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,900 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,900 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,900 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:55:39,903 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-11 02:55:39,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:55:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:55:39,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:55:39,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 02:55:40,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-11 02:55:40,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 02:55:40,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:55:40,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:55:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:55:40,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1140702332, now seen corresponding path program 1 times [2022-02-11 02:55:40,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:55:40,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107546503] [2022-02-11 02:55:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:55:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:55:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:55:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:55:40,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:55:40,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107546503] [2022-02-11 02:55:40,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107546503] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:55:40,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:55:40,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 02:55:40,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623243909] [2022-02-11 02:55:40,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:55:40,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 02:55:40,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:55:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 02:55:40,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 02:55:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:55:40,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:55:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 02:55:40,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:55:40,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:55:40,481 INFO L85 PathProgramCache]: Analyzing trace with hash 63925959, now seen corresponding path program 1 times [2022-02-11 02:55:40,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:55:40,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669061184] [2022-02-11 02:55:40,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:55:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:55:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:55:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:55:40,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:55:40,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669061184] [2022-02-11 02:55:40,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669061184] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:55:40,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:55:40,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 02:55:40,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872815058] [2022-02-11 02:55:40,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:55:40,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:55:40,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:55:40,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:55:40,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 02:55:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:55:40,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:55:40,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 02:55:40,714 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:55:40,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 02:55:40,719 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:55:40,720 INFO L313 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2022-02-11 02:55:40,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:55:40,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:55:40,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:55:40,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-02-11 02:55:40,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:55:40,758 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 02:55:40,758 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-11 02:55:40,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:55:40,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:55:40,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1050706074, now seen corresponding path program 1 times [2022-02-11 02:55:40,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:55:40,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034645671] [2022-02-11 02:55:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:55:40,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:55:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:55:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:55:40,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:55:40,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034645671] [2022-02-11 02:55:40,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034645671] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:55:40,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:55:40,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 02:55:40,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380141308] [2022-02-11 02:55:40,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:55:40,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:55:40,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:55:40,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:55:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 02:55:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:55:40,826 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) [2022-02-11 02:55:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:55:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 02:55:40,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-11 02:55:40,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-11 02:55:40,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 02:55:40,845 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:55:40,845 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2022-02-11 02:55:40,845 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 02:55:40,845 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 02:55:40,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 02:55:40 BasicIcfg [2022-02-11 02:55:40,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 02:55:40,848 INFO L158 Benchmark]: Toolchain (without parser) took 1881.11ms. Allocated memory is still 198.2MB. Free memory was 144.5MB in the beginning and 89.1MB in the end (delta: 55.5MB). Peak memory consumption was 56.2MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,848 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 02:55:40,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.00ms. Allocated memory is still 198.2MB. Free memory was 144.4MB in the beginning and 163.5MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 198.2MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,849 INFO L158 Benchmark]: Boogie Preprocessor took 14.30ms. Allocated memory is still 198.2MB. Free memory was 161.4MB in the beginning and 159.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,849 INFO L158 Benchmark]: RCFGBuilder took 363.65ms. Allocated memory is still 198.2MB. Free memory was 159.9MB in the beginning and 147.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,850 INFO L158 Benchmark]: TraceAbstraction took 1008.46ms. Allocated memory is still 198.2MB. Free memory was 146.7MB in the beginning and 89.1MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-11 02:55:40,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 451.00ms. Allocated memory is still 198.2MB. Free memory was 144.4MB in the beginning and 163.5MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 198.2MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.30ms. Allocated memory is still 198.2MB. Free memory was 161.4MB in the beginning and 159.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 363.65ms. Allocated memory is still 198.2MB. Free memory was 159.9MB in the beginning and 147.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1008.46ms. Allocated memory is still 198.2MB. Free memory was 146.7MB in the beginning and 89.1MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 319, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 316, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 316, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 318, positive: 302, positive conditional: 30, positive unconditional: 272, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 318, positive: 302, positive conditional: 11, positive unconditional: 291, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 318, positive: 302, positive conditional: 11, positive unconditional: 291, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 233, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 233, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 318, positive: 79, positive conditional: 11, positive unconditional: 68, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 233, unknown conditional: 0, unknown unconditional: 233] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 89, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 233, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 319, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 316, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 316, positive: 302, positive conditional: 79, positive unconditional: 223, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 318, positive: 302, positive conditional: 30, positive unconditional: 272, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 318, positive: 302, positive conditional: 11, positive unconditional: 291, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 318, positive: 302, positive conditional: 11, positive unconditional: 291, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 233, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 233, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 318, positive: 79, positive conditional: 11, positive unconditional: 68, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 233, unknown conditional: 0, unknown unconditional: 233] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 39, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 3 - 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: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 02:55:40,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-02-11 02:55:41,100 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 [2022-02-11 02:55:41,301 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...