/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 05:38:25,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 05:38:25,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 05:38:25,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 05:38:25,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 05:38:25,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 05:38:25,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 05:38:25,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 05:38:25,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 05:38:25,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 05:38:25,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 05:38:25,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 05:38:25,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 05:38:25,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 05:38:25,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 05:38:25,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 05:38:25,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 05:38:25,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 05:38:25,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 05:38:25,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 05:38:25,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 05:38:25,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 05:38:25,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 05:38:25,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 05:38:25,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 05:38:25,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 05:38:25,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 05:38:25,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 05:38:25,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-09 05:38:26,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 05:38:26,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 05:38:26,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 05:38:26,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 05:38:26,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 05:38:26,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 05:38:26,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 05:38:26,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 05:38:26,019 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 05:38:26,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 05:38:26,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 05:38:26,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 05:38:26,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 05:38:26,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 05:38:26,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 05:38:26,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 05:38:26,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 05:38:26,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 05:38:26,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 05:38:26,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 05:38:26,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 05:38:26,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 05:38:26,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 05:38:26,238 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 05:38:26,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-02-09 05:38:26,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fa44eab/f425d0c7e9d245c79c66c468e7442b6a/FLAG20d0dfd7c [2022-02-09 05:38:26,707 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 05:38:26,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-02-09 05:38:26,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fa44eab/f425d0c7e9d245c79c66c468e7442b6a/FLAG20d0dfd7c [2022-02-09 05:38:27,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29fa44eab/f425d0c7e9d245c79c66c468e7442b6a [2022-02-09 05:38:27,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 05:38:27,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 05:38:27,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 05:38:27,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 05:38:27,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 05:38:27,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb4d512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27, skipping insertion in model container [2022-02-09 05:38:27,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 05:38:27,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 05:38:27,232 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_67-pthread_cond_wait_true.i[1094,1107] [2022-02-09 05:38:27,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 05:38:27,451 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 05:38:27,460 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_67-pthread_cond_wait_true.i[1094,1107] [2022-02-09 05:38:27,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 05:38:27,571 INFO L208 MainTranslator]: Completed translation [2022-02-09 05:38:27,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27 WrapperNode [2022-02-09 05:38:27,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 05:38:27,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 05:38:27,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 05:38:27,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 05:38:27,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,630 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-02-09 05:38:27,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 05:38:27,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 05:38:27,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 05:38:27,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 05:38:27,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 05:38:27,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 05:38:27,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 05:38:27,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 05:38:27,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (1/1) ... [2022-02-09 05:38:27,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 05:38:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 05:38:27,723 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) [2022-02-09 05:38:27,735 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 [2022-02-09 05:38:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-09 05:38:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-09 05:38:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-09 05:38:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-09 05:38:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-09 05:38:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 05:38:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 05:38:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 05:38:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 05:38:27,758 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 05:38:27,991 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 05:38:27,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 05:38:28,127 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 05:38:28,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 05:38:28,135 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 05:38:28,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:38:28 BoogieIcfgContainer [2022-02-09 05:38:28,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 05:38:28,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 05:38:28,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 05:38:28,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 05:38:28,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 05:38:27" (1/3) ... [2022-02-09 05:38:28,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a009bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:38:28, skipping insertion in model container [2022-02-09 05:38:28,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:38:27" (2/3) ... [2022-02-09 05:38:28,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a009bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:38:28, skipping insertion in model container [2022-02-09 05:38:28,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:38:28" (3/3) ... [2022-02-09 05:38:28,144 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-02-09 05:38:28,147 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 05:38:28,147 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 05:38:28,148 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 05:38:28,148 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 05:38:28,180 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,180 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,180 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,181 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,181 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,181 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,181 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,181 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,182 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,182 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,182 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,182 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,183 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,183 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,183 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,183 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,183 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,184 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,184 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,184 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,184 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,185 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,185 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,185 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,186 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,187 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,188 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,189 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,189 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,190 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,190 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,190 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,191 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,191 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,198 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,198 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,199 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,199 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,199 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,201 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,201 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,201 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,201 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,201 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,202 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,202 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,202 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,202 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 05:38:28,206 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 05:38:28,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 05:38:28,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 05:38:28,254 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) [2022-02-09 05:38:28,273 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 [2022-02-09 05:38:28,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 05:38:28,282 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 05:38:28,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 05:38:28,335 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 05:38:28,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 05:38:28,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1248234082, now seen corresponding path program 1 times [2022-02-09 05:38:28,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 05:38:28,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351961059] [2022-02-09 05:38:28,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 05:38:28,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 05:38:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 05:38:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 05:38:28,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 05:38:28,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351961059] [2022-02-09 05:38:28,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351961059] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 05:38:28,710 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 05:38:28,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 05:38:28,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232249951] [2022-02-09 05:38:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 05:38:28,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 05:38:28,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 05:38:28,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 05:38:28,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 05:38:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 05:38:28,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 05:38:28,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2022-02-09 05:38:28,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 05:38:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 05:38:28,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 05:38:28,878 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 05:38:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 05:38:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1238510365, now seen corresponding path program 1 times [2022-02-09 05:38:28,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 05:38:28,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764416963] [2022-02-09 05:38:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 05:38:28,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 05:38:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 05:38:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 05:38:29,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 05:38:29,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764416963] [2022-02-09 05:38:29,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764416963] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 05:38:29,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 05:38:29,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 05:38:29,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556636106] [2022-02-09 05:38:29,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 05:38:29,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 05:38:29,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 05:38:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 05:38:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 05:38:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 05:38:29,007 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 05:38:29,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2022-02-09 05:38:29,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 05:38:29,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 05:38:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 05:38:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 05:38:29,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 05:38:29,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 05:38:29,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 05:38:29,068 INFO L85 PathProgramCache]: Analyzing trace with hash -521324244, now seen corresponding path program 1 times [2022-02-09 05:38:29,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 05:38:29,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773053522] [2022-02-09 05:38:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 05:38:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 05:38:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 05:38:29,135 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 05:38:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 05:38:29,211 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 05:38:29,211 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 05:38:29,212 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 05:38:29,214 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 05:38:29,214 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 05:38:29,214 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-09 05:38:29,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 05:38:29,223 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-09 05:38:29,227 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 05:38:29,227 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 05:38:29,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 05:38:29 BasicIcfg [2022-02-09 05:38:29,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 05:38:29,295 INFO L158 Benchmark]: Toolchain (without parser) took 2265.28ms. Allocated memory was 206.6MB in the beginning and 290.5MB in the end (delta: 83.9MB). Free memory was 149.6MB in the beginning and 119.7MB in the end (delta: 29.9MB). Peak memory consumption was 113.4MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,295 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 05:38:29,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.39ms. Allocated memory was 206.6MB in the beginning and 290.5MB in the end (delta: 83.9MB). Free memory was 149.4MB in the beginning and 237.7MB in the end (delta: -88.3MB). Peak memory consumption was 5.3MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.06ms. Allocated memory is still 290.5MB. Free memory was 237.2MB in the beginning and 234.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,296 INFO L158 Benchmark]: Boogie Preprocessor took 42.04ms. Allocated memory is still 290.5MB. Free memory was 234.6MB in the beginning and 232.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,296 INFO L158 Benchmark]: RCFGBuilder took 462.64ms. Allocated memory is still 290.5MB. Free memory was 232.5MB in the beginning and 215.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,296 INFO L158 Benchmark]: TraceAbstraction took 1155.16ms. Allocated memory is still 290.5MB. Free memory was 214.6MB in the beginning and 119.7MB in the end (delta: 94.9MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. [2022-02-09 05:38:29,298 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 206.6MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 541.39ms. Allocated memory was 206.6MB in the beginning and 290.5MB in the end (delta: 83.9MB). Free memory was 149.4MB in the beginning and 237.7MB in the end (delta: -88.3MB). Peak memory consumption was 5.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.06ms. Allocated memory is still 290.5MB. Free memory was 237.2MB in the beginning and 234.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.04ms. Allocated memory is still 290.5MB. Free memory was 234.6MB in the beginning and 232.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 462.64ms. Allocated memory is still 290.5MB. Free memory was 232.5MB in the beginning and 215.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1155.16ms. Allocated memory is still 290.5MB. Free memory was 214.6MB in the beginning and 119.7MB in the end (delta: 94.9MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 343, positive: 338, positive conditional: 338, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 340, positive: 338, positive conditional: 338, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 340, positive: 338, positive conditional: 338, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 342, positive: 338, positive conditional: 288, positive unconditional: 50, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 342, positive: 338, positive conditional: 130, positive unconditional: 208, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 342, positive: 338, positive conditional: 130, positive unconditional: 208, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 130, positive: 126, positive conditional: 41, positive unconditional: 85, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 130, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 28, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 342, positive: 212, positive conditional: 89, positive unconditional: 123, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 130, unknown conditional: 43, unknown unconditional: 87] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 126, Positive conditional cache size: 41, Positive unconditional cache size: 85, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Eliminated conditions: 158, 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1378] 0 \read(t1) VAL [\old(argc)=1150, \read(t1)=-1, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=1, mut={4:0}, ptr={0:0}, t1={7:0}, t2={6:0}] [L1366] 2 g = 0 VAL [cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, 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: 10, 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, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-09 05:38:29,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 05:38:29,547 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...