/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 18:11:02,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:11:02,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:11:02,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:11:02,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:11:02,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:11:02,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:11:02,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:11:02,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:11:02,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:11:02,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:11:02,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:11:02,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:11:02,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:11:02,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:11:02,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:11:02,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:11:02,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:11:02,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:11:02,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:11:02,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:11:02,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:11:02,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:11:02,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:11:02,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 18:11:02,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 18:11:02,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 18:11:02,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 18:11:02,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 18:11:02,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 18:11:02,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:11:02,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:11:02,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:11:02,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 18:11:02,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:11:02,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:11:02,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:11:02,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:11:02,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:11:02,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:11:02,258 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:11:02,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:11:02,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:11:02,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:11:02,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:11:02,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:11:02,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:11:02,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:11:02,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:11:02,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:11:02,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:11:02,261 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:11:02,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:11:02,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:11:02,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:11:02,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:11:02,460 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:11:02,461 INFO L432 ainManager$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_neg.i [2022-03-15 18:11:02,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5267fcc3d/5318d906c7174e0ca22a263a3091a1d5/FLAG33c1a789b [2022-03-15 18:11:02,867 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:11:02,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-03-15 18:11:02,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5267fcc3d/5318d906c7174e0ca22a263a3091a1d5/FLAG33c1a789b [2022-03-15 18:11:03,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5267fcc3d/5318d906c7174e0ca22a263a3091a1d5 [2022-03-15 18:11:03,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:11:03,252 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:11:03,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:11:03,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:11:03,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:11:03,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4db25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03, skipping insertion in model container [2022-03-15 18:11:03,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:11:03,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:11:03,402 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_neg.i[1097,1110] [2022-03-15 18:11:03,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:11:03,530 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:11:03,539 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_neg.i[1097,1110] [2022-03-15 18:11:03,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:11:03,592 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:11:03,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03 WrapperNode [2022-03-15 18:11:03,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:11:03,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:11:03,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:11:03,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:11:03,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,641 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-03-15 18:11:03,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:11:03,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:11:03,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:11:03,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:11:03,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:11:03,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:11:03,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:11:03,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:11:03,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (1/1) ... [2022-03-15 18:11:03,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:11:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:11:03,708 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) [2022-03-15 18:11:03,727 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 [2022-03-15 18:11:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:11:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 18:11:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:11:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:11:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 18:11:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 18:11:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:11:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:11:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:11:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:11:03,746 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 18:11:03,838 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:11:03,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:11:03,996 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:11:04,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:11:04,001 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 18:11:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:11:04 BoogieIcfgContainer [2022-03-15 18:11:04,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:11:04,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:11:04,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:11:04,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:11:04,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:11:03" (1/3) ... [2022-03-15 18:11:04,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5550ba33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:11:04, skipping insertion in model container [2022-03-15 18:11:04,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:11:03" (2/3) ... [2022-03-15 18:11:04,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5550ba33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:11:04, skipping insertion in model container [2022-03-15 18:11:04,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:11:04" (3/3) ... [2022-03-15 18:11:04,009 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-03-15 18:11:04,012 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:11:04,013 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:11:04,013 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 18:11:04,013 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:11:04,049 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 18:11:04,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:11:04,081 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 18:11:04,082 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-15 18:11:04,089 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:11:04,094 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 66 transitions, 137 flow [2022-03-15 18:11:04,096 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 66 transitions, 137 flow [2022-03-15 18:11:04,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2022-03-15 18:11:04,128 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2022-03-15 18:11:04,128 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 18:11:04,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-03-15 18:11:04,131 INFO L116 LiptonReduction]: Number of co-enabled transitions 460 [2022-03-15 18:11:05,988 INFO L131 LiptonReduction]: Checked pairs total: 1098 [2022-03-15 18:11:05,988 INFO L133 LiptonReduction]: Total number of compositions: 62 [2022-03-15 18:11:05,995 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 14 transitions, 33 flow [2022-03-15 18:11:06,012 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 32 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 31 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) [2022-03-15 18:11:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 31 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) [2022-03-15 18:11:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 18:11:06,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:11:06,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 18:11:06,020 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 18:11:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:11:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1548172269, now seen corresponding path program 1 times [2022-03-15 18:11:06,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:11:06,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087676982] [2022-03-15 18:11:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:11:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:11:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:11:06,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 18:11:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 18:11:06,208 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 18:11:06,209 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 18:11:06,210 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-15 18:11:06,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-15 18:11:06,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:11:06,219 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-15 18:11:06,225 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 18:11:06,225 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 18:11:06,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 06:11:06 BasicIcfg [2022-03-15 18:11:06,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 18:11:06,241 INFO L158 Benchmark]: Toolchain (without parser) took 2988.15ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 143.6MB in the beginning and 148.0MB in the end (delta: -4.3MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,242 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 18:11:06,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.08ms. Allocated memory is still 196.1MB. Free memory was 143.3MB in the beginning and 163.1MB in the end (delta: -19.8MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 196.1MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,245 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 196.1MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,246 INFO L158 Benchmark]: RCFGBuilder took 333.06ms. Allocated memory is still 196.1MB. Free memory was 160.0MB in the beginning and 147.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,247 INFO L158 Benchmark]: TraceAbstraction took 2236.89ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 147.4MB in the beginning and 148.0MB in the end (delta: -597.9kB). Peak memory consumption was 55.0MB. Max. memory is 8.0GB. [2022-03-15 18:11:06,252 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 196.1MB. Free memory was 161.6MB in the beginning and 161.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.08ms. Allocated memory is still 196.1MB. Free memory was 143.3MB in the beginning and 163.1MB in the end (delta: -19.8MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 196.1MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 196.1MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 333.06ms. Allocated memory is still 196.1MB. Free memory was 160.0MB in the beginning and 147.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2236.89ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 147.4MB in the beginning and 148.0MB in the end (delta: -597.9kB). Peak memory consumption was 55.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 69 PlacesBefore, 17 PlacesAfterwards, 66 TransitionsBefore, 14 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 1098 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 551, positive: 449, positive conditional: 0, positive unconditional: 449, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 277, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 551, positive: 195, positive conditional: 0, positive unconditional: 195, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - 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; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [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] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - 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: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-03-15 18:11:06,282 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...