/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 13:50:58,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 13:50:58,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 13:50:58,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 13:50:58,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 13:50:58,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 13:50:58,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 13:50:58,486 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-FA-NoLbe.epf [2022-02-18 13:50:58,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 13:50:58,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 13:50:58,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 13:50:58,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 13:50:58,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 13:50:58,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 13:50:58,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 13:50:58,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 13:50:58,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 13:50:58,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 13:50:58,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 13:50:58,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 13:50:58,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 13:50:58,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 13:50:58,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 13:50:58,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 13:50:58,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 13:50:58,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 13:50:58,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 13:50:58,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 13:50:58,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 13:50:58,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 13:50:58,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 13:50:58,722 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 13:50:58,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-18 13:50:58,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1fa8cc/42300ae4dfd044bfbc994862ae83dca5/FLAG3ae95c84b [2022-02-18 13:50:59,122 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 13:50:59,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-18 13:50:59,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1fa8cc/42300ae4dfd044bfbc994862ae83dca5/FLAG3ae95c84b [2022-02-18 13:50:59,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1fa8cc/42300ae4dfd044bfbc994862ae83dca5 [2022-02-18 13:50:59,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 13:50:59,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 13:50:59,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 13:50:59,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 13:50:59,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 13:50:59,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3c49b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59, skipping insertion in model container [2022-02-18 13:50:59,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 13:50:59,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 13:50:59,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-18 13:50:59,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 13:50:59,771 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 13:50:59,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-02-18 13:50:59,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 13:50:59,817 INFO L208 MainTranslator]: Completed translation [2022-02-18 13:50:59,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59 WrapperNode [2022-02-18 13:50:59,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 13:50:59,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 13:50:59,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 13:50:59,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 13:50:59,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,868 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-18 13:50:59,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 13:50:59,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 13:50:59,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 13:50:59,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 13:50:59,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 13:50:59,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 13:50:59,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 13:50:59,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 13:50:59,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (1/1) ... [2022-02-18 13:50:59,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 13:50:59,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 13:50:59,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 13:50:59,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 13:50:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 13:50:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 13:50:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 13:50:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 13:50:59,973 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 13:51:00,087 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 13:51:00,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 13:51:00,260 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 13:51:00,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 13:51:00,264 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 13:51:00,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:00 BoogieIcfgContainer [2022-02-18 13:51:00,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 13:51:00,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 13:51:00,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 13:51:00,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 13:51:00,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:50:59" (1/3) ... [2022-02-18 13:51:00,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae3b046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:00, skipping insertion in model container [2022-02-18 13:51:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:50:59" (2/3) ... [2022-02-18 13:51:00,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae3b046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:00, skipping insertion in model container [2022-02-18 13:51:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:00" (3/3) ... [2022-02-18 13:51:00,281 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-02-18 13:51:00,284 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 13:51:00,284 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 13:51:00,284 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 13:51:00,284 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 13:51:00,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,321 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,321 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,326 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:00,330 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-18 13:51:00,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 13:51:00,383 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=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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 13:51:00,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-18 13:51:00,391 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-02-18 13:51:00,422 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-18 13:51:00,429 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 13:51:00,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 13:51:00,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-18 13:51:00,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 13:51:00,435 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-18 13:51:00,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 13:51:00,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208241105] [2022-02-18 13:51:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 13:51:00,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 13:51:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 13:51:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 13:51:00,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 13:51:00,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208241105] [2022-02-18 13:51:00,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208241105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 13:51:00,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 13:51:00,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 13:51:00,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501818383] [2022-02-18 13:51:00,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 13:51:00,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 13:51:00,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 13:51:00,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 13:51:00,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 13:51:00,673 INFO L87 Difference]: Start difference. First operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 13:51:00,754 INFO L93 Difference]: Finished difference Result 212 states and 354 transitions. [2022-02-18 13:51:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 13:51:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) Word has length 42 [2022-02-18 13:51:00,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 13:51:00,762 INFO L225 Difference]: With dead ends: 212 [2022-02-18 13:51:00,762 INFO L226 Difference]: Without dead ends: 137 [2022-02-18 13:51:00,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-18 13:51:00,769 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 46 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 13:51:00,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 232 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 13:51:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-02-18 13:51:00,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-02-18 13:51:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.588235294117647) internal successors, (216), 136 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 216 transitions. [2022-02-18 13:51:00,798 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 216 transitions. Word has length 42 [2022-02-18 13:51:00,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 13:51:00,799 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 216 transitions. [2022-02-18 13:51:00,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2022-02-18 13:51:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-18 13:51:00,800 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 13:51:00,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 13:51:00,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 13:51:00,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-18 13:51:00,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 13:51:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1191502746, now seen corresponding path program 1 times [2022-02-18 13:51:00,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 13:51:00,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039343159] [2022-02-18 13:51:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 13:51:00,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 13:51:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 13:51:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 13:51:00,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 13:51:00,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039343159] [2022-02-18 13:51:00,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039343159] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 13:51:00,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 13:51:00,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 13:51:00,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143527539] [2022-02-18 13:51:00,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 13:51:00,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 13:51:00,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 13:51:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 13:51:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 13:51:00,848 INFO L87 Difference]: Start difference. First operand 137 states and 216 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 13:51:00,865 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2022-02-18 13:51:00,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 13:51:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) Word has length 48 [2022-02-18 13:51:00,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 13:51:00,866 INFO L225 Difference]: With dead ends: 82 [2022-02-18 13:51:00,866 INFO L226 Difference]: Without dead ends: 64 [2022-02-18 13:51:00,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 13:51:00,867 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 13:51:00,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 13:51:00,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-18 13:51:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-02-18 13:51:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 63 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2022-02-18 13:51:00,871 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 48 [2022-02-18 13:51:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 13:51:00,872 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2022-02-18 13:51:00,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-02-18 13:51:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-18 13:51:00,873 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 13:51:00,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 13:51:00,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 13:51:00,873 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-18 13:51:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 13:51:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1925525721, now seen corresponding path program 1 times [2022-02-18 13:51:00,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 13:51:00,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376203223] [2022-02-18 13:51:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 13:51:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 13:51:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 13:51:00,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 13:51:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 13:51:00,925 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 13:51:00,925 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 13:51:00,925 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-18 13:51:00,927 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-18 13:51:00,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 13:51:00,929 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-18 13:51:00,931 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 13:51:00,931 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 13:51:00,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:51:00 BasicIcfg [2022-02-18 13:51:00,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 13:51:00,952 INFO L158 Benchmark]: Toolchain (without parser) took 1460.28ms. Allocated memory was 196.1MB in the beginning and 300.9MB in the end (delta: 104.9MB). Free memory was 137.5MB in the beginning and 190.7MB in the end (delta: -53.2MB). Peak memory consumption was 52.0MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,952 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 13:51:00,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.17ms. Allocated memory was 196.1MB in the beginning and 300.9MB in the end (delta: 104.9MB). Free memory was 137.3MB in the beginning and 263.0MB in the end (delta: -125.7MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 300.9MB. Free memory was 263.0MB in the beginning and 260.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,953 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 300.9MB. Free memory was 260.9MB in the beginning and 259.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,953 INFO L158 Benchmark]: RCFGBuilder took 379.15ms. Allocated memory is still 300.9MB. Free memory was 259.9MB in the beginning and 247.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,954 INFO L158 Benchmark]: TraceAbstraction took 674.73ms. Allocated memory is still 300.9MB. Free memory was 246.8MB in the beginning and 190.7MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-02-18 13:51:00,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 325.17ms. Allocated memory was 196.1MB in the beginning and 300.9MB in the end (delta: 104.9MB). Free memory was 137.3MB in the beginning and 263.0MB in the end (delta: -125.7MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 300.9MB. Free memory was 263.0MB in the beginning and 260.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 300.9MB. Free memory was 260.9MB in the beginning and 259.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 379.15ms. Allocated memory is still 300.9MB. Free memory was 259.9MB in the beginning and 247.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 674.73ms. Allocated memory is still 300.9MB. Free memory was 246.8MB in the beginning and 190.7MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 136 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-18 13:51:00,997 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...