/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 03:23:55,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 03:23:55,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 03:23:55,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 03:23:55,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 03:23:55,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 03:23:55,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 03:23:55,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 03:23:55,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 03:23:55,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 03:23:55,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 03:23:55,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 03:23:55,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 03:23:55,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 03:23:55,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 03:23:55,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 03:23:55,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 03:23:55,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 03:23:55,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 03:23:55,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 03:23:55,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 03:23:55,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 03:23:55,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 03:23:55,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 03:23:55,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 03:23:55,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 03:23:55,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 03:23:55,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 03:23:55,886 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 03:23:55,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 03:23:55,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 03:23:55,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 03:23:55,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 03:23:55,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 03:23:55,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 03:23:55,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 03:23:55,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 03:23:55,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 03:23:55,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 03:23:55,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 03:23:55,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 03:23:55,918 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 03:23:55,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 03:23:55,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 03:23:55,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 03:23:55,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 03:23:55,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 03:23:55,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 03:23:55,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 03:23:55,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:23:55,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 03:23:55,920 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 03:23:55,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 03:23:55,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 03:23:55,921 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 03:23:55,922 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 03:23:55,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 03:23:56,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 03:23:56,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 03:23:56,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 03:23:56,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 03:23:56,144 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 03:23:56,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-03-04 03:23:56,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f9c67f/22455d3ac07c418e80726483e75fb462/FLAG679e50c8d [2022-03-04 03:23:56,641 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 03:23:56,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-03-04 03:23:56,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f9c67f/22455d3ac07c418e80726483e75fb462/FLAG679e50c8d [2022-03-04 03:23:57,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f9c67f/22455d3ac07c418e80726483e75fb462 [2022-03-04 03:23:57,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 03:23:57,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 03:23:57,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 03:23:57,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 03:23:57,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 03:23:57,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b551e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57, skipping insertion in model container [2022-03-04 03:23:57,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 03:23:57,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 03:23:57,423 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-03-04 03:23:57,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:23:57,544 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 03:23:57,552 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-03-04 03:23:57,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:23:57,622 INFO L208 MainTranslator]: Completed translation [2022-03-04 03:23:57,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57 WrapperNode [2022-03-04 03:23:57,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 03:23:57,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 03:23:57,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 03:23:57,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 03:23:57,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,663 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-03-04 03:23:57,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 03:23:57,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 03:23:57,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 03:23:57,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 03:23:57,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 03:23:57,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 03:23:57,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 03:23:57,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 03:23:57,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (1/1) ... [2022-03-04 03:23:57,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:23:57,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:23:57,711 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) [2022-03-04 03:23:57,731 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 [2022-03-04 03:23:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 03:23:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 03:23:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 03:23:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 03:23:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 03:23:57,744 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 03:23:57,822 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 03:23:57,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 03:23:57,947 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 03:23:57,952 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 03:23:57,952 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 03:23:57,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:23:57 BoogieIcfgContainer [2022-03-04 03:23:57,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 03:23:57,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 03:23:57,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 03:23:57,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 03:23:57,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:23:57" (1/3) ... [2022-03-04 03:23:57,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657cc300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:23:57, skipping insertion in model container [2022-03-04 03:23:57,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:23:57" (2/3) ... [2022-03-04 03:23:57,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657cc300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:23:57, skipping insertion in model container [2022-03-04 03:23:57,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:23:57" (3/3) ... [2022-03-04 03:23:57,974 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-03-04 03:23:57,978 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 03:23:57,979 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 03:23:57,979 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 03:23:57,979 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 03:23:58,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,004 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,004 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,005 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,005 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,011 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,012 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:23:58,014 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-04 03:23:58,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 03:23:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:23:58,054 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) [2022-03-04 03:23:58,055 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 [2022-03-04 03:23:58,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 03:23:58,079 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 03:23:58,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-04 03:23:58,113 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-03-04 03:23:58,115 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 03:23:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:23:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-03-04 03:23:58,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:23:58,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614649561] [2022-03-04 03:23:58,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:23:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:23:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:23:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:23:58,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:23:58,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614649561] [2022-03-04 03:23:58,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614649561] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:23:58,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:23:58,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 03:23:58,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131218462] [2022-03-04 03:23:58,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:23:58,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 03:23:58,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:23:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 03:23:58,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 03:23:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:23:58,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2022-03-04 03:23:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,514 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 133 transitions and produced 99 states. [2022-03-04 03:23:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 03:23:58,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 03:23:58,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:23:58,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1362363078, now seen corresponding path program 1 times [2022-03-04 03:23:58,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:23:58,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008723374] [2022-03-04 03:23:58,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:23:58,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:23:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:23:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:23:58,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:23:58,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008723374] [2022-03-04 03:23:58,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008723374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:23:58,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:23:58,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:23:58,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588902164] [2022-03-04 03:23:58,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:23:58,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:23:58,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:23:58,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:23:58,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:23:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,660 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:23:58,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-03-04 03:23:58,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,753 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 176 transitions and produced 141 states. [2022-03-04 03:23:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:58,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 03:23:58,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 03:23:58,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:23:58,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2093588025, now seen corresponding path program 1 times [2022-03-04 03:23:58,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:23:58,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396583459] [2022-03-04 03:23:58,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:23:58,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:23:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:23:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:23:58,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:23:58,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396583459] [2022-03-04 03:23:58,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396583459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:23:58,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:23:58,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 03:23:58,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361926539] [2022-03-04 03:23:58,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:23:58,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 03:23:58,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:23:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 03:23:58,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 03:23:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:23:58,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-03-04 03:23:58,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:58,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,835 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 88 transitions and produced 81 states. [2022-03-04 03:23:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 03:23:58,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 03:23:58,836 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 03:23:58,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:23:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 401446305, now seen corresponding path program 2 times [2022-03-04 03:23:58,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:23:58,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761054768] [2022-03-04 03:23:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:23:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:23:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:23:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:23:58,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:23:58,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761054768] [2022-03-04 03:23:58,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761054768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:23:58,943 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:23:58,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:23:58,944 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410558539] [2022-03-04 03:23:58,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:23:58,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:23:58,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:23:58,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:23:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:23:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:58,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:23:58,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2022-03-04 03:23:58,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:58,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:58,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 03:23:58,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:23:59,003 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130 transitions and produced 108 states. [2022-03-04 03:23:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 03:23:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 03:23:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 03:23:59,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 03:23:59,004 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 03:23:59,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:23:59,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1452136571, now seen corresponding path program 1 times [2022-03-04 03:23:59,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:23:59,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166100949] [2022-03-04 03:23:59,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:23:59,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:23:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 03:23:59,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 03:23:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 03:23:59,051 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 03:23:59,052 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 03:23:59,052 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-04 03:23:59,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-04 03:23:59,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 03:23:59,058 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-03-04 03:23:59,060 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 03:23:59,060 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 03:23:59,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:23:59 BasicIcfg [2022-03-04 03:23:59,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 03:23:59,087 INFO L158 Benchmark]: Toolchain (without parser) took 1868.05ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 162.8MB in the beginning and 181.4MB in the end (delta: -18.7MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,087 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 03:23:59,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.23ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 162.6MB in the beginning and 203.2MB in the end (delta: -40.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.48ms. Allocated memory is still 238.0MB. Free memory was 202.8MB in the beginning and 201.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,088 INFO L158 Benchmark]: Boogie Preprocessor took 16.49ms. Allocated memory is still 238.0MB. Free memory was 201.1MB in the beginning and 199.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,088 INFO L158 Benchmark]: RCFGBuilder took 282.12ms. Allocated memory is still 238.0MB. Free memory was 199.7MB in the beginning and 188.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,088 INFO L158 Benchmark]: TraceAbstraction took 1119.39ms. Allocated memory is still 238.0MB. Free memory was 187.8MB in the beginning and 181.4MB in the end (delta: 6.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-03-04 03:23:59,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.23ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 162.6MB in the beginning and 203.2MB in the end (delta: -40.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.48ms. Allocated memory is still 238.0MB. Free memory was 202.8MB in the beginning and 201.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.49ms. Allocated memory is still 238.0MB. Free memory was 201.1MB in the beginning and 199.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 282.12ms. Allocated memory is still 238.0MB. Free memory was 199.7MB in the beginning and 188.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1119.39ms. Allocated memory is still 238.0MB. Free memory was 187.8MB in the beginning and 181.4MB in the end (delta: 6.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , 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: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - UnprovableResult [Line: 694]: 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 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-04 03:23:59,115 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 [2022-03-04 03:23:59,327 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...