/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-MCRwithoutDepranks-Lazy.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 08:23:32,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 08:23:32,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 08:23:32,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 08:23:32,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 08:23:32,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 08:23:32,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 08:23:32,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 08:23:32,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 08:23:32,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 08:23:32,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 08:23:32,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 08:23:32,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 08:23:32,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 08:23:32,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 08:23:32,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 08:23:32,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 08:23:32,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 08:23:32,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 08:23:32,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 08:23:32,985 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 08:23:33,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 08:23:33,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 08:23:33,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 08:23:33,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 08:23:33,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 08:23:33,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 08:23:33,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 08:23:33,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 08:23:33,015 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 08:23:33,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 08:23:33,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 08:23:33,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 08:23:33,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:23:33,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 08:23:33,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 08:23:33,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 08:23:33,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 08:23:33,018 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 08:23:33,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 08:23:33,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 08:23:33,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 08:23:33,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 08:23:33,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 08:23:33,262 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 08:23:33,263 INFO L432 ainManager$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 08:23:33,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2688f2b2/97e0a3a7488a4ac8b2a39927c4479443/FLAG3574cc5d8 [2022-03-04 08:23:33,717 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 08:23:33,717 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 08:23:33,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2688f2b2/97e0a3a7488a4ac8b2a39927c4479443/FLAG3574cc5d8 [2022-03-04 08:23:33,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2688f2b2/97e0a3a7488a4ac8b2a39927c4479443 [2022-03-04 08:23:33,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 08:23:33,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 08:23:33,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 08:23:33,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 08:23:33,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 08:23:33,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:23:33" (1/1) ... [2022-03-04 08:23:33,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56815dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:33, skipping insertion in model container [2022-03-04 08:23:33,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:23:33" (1/1) ... [2022-03-04 08:23:33,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 08:23:33,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 08:23:33,977 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 08:23:34,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:23:34,111 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 08:23:34,120 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 08:23:34,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 08:23:34,166 INFO L208 MainTranslator]: Completed translation [2022-03-04 08:23:34,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34 WrapperNode [2022-03-04 08:23:34,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 08:23:34,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 08:23:34,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 08:23:34,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 08:23:34,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,202 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-03-04 08:23:34,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 08:23:34,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 08:23:34,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 08:23:34,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 08:23:34,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 08:23:34,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 08:23:34,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 08:23:34,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 08:23:34,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (1/1) ... [2022-03-04 08:23:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 08:23:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:23:34,257 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 08:23:34,265 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 08:23:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 08:23:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-04 08:23:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 08:23:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 08:23:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 08:23:34,286 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 08:23:34,375 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 08:23:34,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 08:23:34,488 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 08:23:34,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 08:23:34,493 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 08:23:34,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:23:34 BoogieIcfgContainer [2022-03-04 08:23:34,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 08:23:34,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 08:23:34,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 08:23:34,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 08:23:34,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 08:23:33" (1/3) ... [2022-03-04 08:23:34,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:23:34, skipping insertion in model container [2022-03-04 08:23:34,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:23:34" (2/3) ... [2022-03-04 08:23:34,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 08:23:34, skipping insertion in model container [2022-03-04 08:23:34,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 08:23:34" (3/3) ... [2022-03-04 08:23:34,519 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-03-04 08:23:34,523 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 08:23:34,523 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 08:23:34,523 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 08:23:34,523 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 08:23:34,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,568 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,568 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,573 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,574 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 08:23:34,575 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-04 08:23:34,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 08:23:34,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 08:23:34,628 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 08:23:34,629 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 08:23:34,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 08:23:34,655 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=true, mMcrOverapproximateWrwc=true [2022-03-04 08:23:34,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-04 08:23:34,717 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-03-04 08:23:34,719 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:23:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:23:34,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-03-04 08:23:34,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:23:34,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941346325] [2022-03-04 08:23:34,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:23:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:23:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:23:35,017 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 08:23:35,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:23:35,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941346325] [2022-03-04 08:23:35,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941346325] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:23:35,019 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:23:35,019 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 08:23:35,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771216292] [2022-03-04 08:23:35,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:23:35,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 08:23:35,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:23:35,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 08:23:35,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 08:23:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:23:35,041 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 08:23:35,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,468 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2228 transitions and produced 2229 states. [2022-03-04 08:23:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:35,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 08:23:35,469 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:23:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:23:35,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1362363078, now seen corresponding path program 1 times [2022-03-04 08:23:35,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:23:35,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809668732] [2022-03-04 08:23:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:23:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:23:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:23:35,647 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 08:23:35,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:23:35,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809668732] [2022-03-04 08:23:35,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809668732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:23:35,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:23:35,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 08:23:35,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82639888] [2022-03-04 08:23:35,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:23:35,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 08:23:35,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:23:35,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 08:23:35,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 08:23:35,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:23:35,650 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 08:23:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,827 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1052 transitions and produced 1053 states. [2022-03-04 08:23:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:35,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 08:23:35,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:23:35,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:23:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2093588025, now seen corresponding path program 1 times [2022-03-04 08:23:35,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:23:35,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489075236] [2022-03-04 08:23:35,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:23:35,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:23:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:23:35,874 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 08:23:35,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:23:35,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489075236] [2022-03-04 08:23:35,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489075236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:23:35,875 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:23:35,875 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 08:23:35,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590871447] [2022-03-04 08:23:35,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:23:35,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 08:23:35,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:23:35,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 08:23:35,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 08:23:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:23:35,877 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 08:23:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:35,936 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 328 transitions and produced 329 states. [2022-03-04 08:23:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 08:23:35,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 08:23:35,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:23:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:23:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash 401446305, now seen corresponding path program 2 times [2022-03-04 08:23:35,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:23:35,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194073620] [2022-03-04 08:23:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:23:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:23:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 08:23:36,038 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 08:23:36,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 08:23:36,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194073620] [2022-03-04 08:23:36,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194073620] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 08:23:36,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 08:23:36,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 08:23:36,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553786652] [2022-03-04 08:23:36,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 08:23:36,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 08:23:36,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 08:23:36,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 08:23:36,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 08:23:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:36,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 08:23:36,040 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 08:23:36,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:36,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:36,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 08:23:36,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 08:23:36,244 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 910 transitions and produced 911 states. [2022-03-04 08:23:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 08:23:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 08:23:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 08:23:36,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 08:23:36,246 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 08:23:36,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 08:23:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1452136571, now seen corresponding path program 1 times [2022-03-04 08:23:36,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 08:23:36,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424330556] [2022-03-04 08:23:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 08:23:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 08:23:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:23:36,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 08:23:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 08:23:36,333 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 08:23:36,334 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 08:23:36,334 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-04 08:23:36,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-04 08:23:36,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 08:23:36,341 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-03-04 08:23:36,345 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 08:23:36,345 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 08:23:36,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 08:23:36 BasicIcfg [2022-03-04 08:23:36,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 08:23:36,380 INFO L158 Benchmark]: Toolchain (without parser) took 2630.16ms. Allocated memory was 190.8MB in the beginning and 476.1MB in the end (delta: 285.2MB). Free memory was 138.2MB in the beginning and 270.9MB in the end (delta: -132.6MB). Peak memory consumption was 153.4MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,380 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 08:23:36,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.55ms. Allocated memory is still 190.8MB. Free memory was 138.1MB in the beginning and 156.3MB in the end (delta: -18.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.26ms. Allocated memory is still 190.8MB. Free memory was 156.3MB in the beginning and 154.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,381 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 190.8MB. Free memory was 154.3MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,382 INFO L158 Benchmark]: RCFGBuilder took 264.23ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 141.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,382 INFO L158 Benchmark]: TraceAbstraction took 1883.95ms. Allocated memory was 190.8MB in the beginning and 476.1MB in the end (delta: 285.2MB). Free memory was 141.2MB in the beginning and 270.9MB in the end (delta: -129.6MB). Peak memory consumption was 157.1MB. Max. memory is 8.0GB. [2022-03-04 08:23:36,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 415.55ms. Allocated memory is still 190.8MB. Free memory was 138.1MB in the beginning and 156.3MB in the end (delta: -18.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.26ms. Allocated memory is still 190.8MB. Free memory was 156.3MB in the beginning and 154.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 190.8MB. Free memory was 154.3MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 264.23ms. Allocated memory is still 190.8MB. Free memory was 153.3MB in the beginning and 141.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1883.95ms. Allocated memory was 190.8MB in the beginning and 476.1MB in the end (delta: 285.2MB). Free memory was 141.2MB in the beginning and 270.9MB in the end (delta: -129.6MB). Peak memory consumption was 157.1MB. 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, 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, 0.4s 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 08:23:36,407 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 08:23:36,621 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...