/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_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 13:25:13,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 13:25:13,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 13:25:13,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 13:25:13,360 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 [2022-03-15 13:25:13,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 13:25:13,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 13:25:13,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 13:25:13,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 13:25:13,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 13:25:13,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 13:25:13,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 13:25:13,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 13:25:13,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 13:25:13,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:25:13,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 13:25:13,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 13:25:13,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 13:25:13,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 13:25:13,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 13:25:13,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 13:25:13,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 13:25:13,589 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 13:25:13,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-03-15 13:25:13,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f583a41/dca59ea03cbb4d4cb074279ede9246b7/FLAG7e52d8310 [2022-03-15 13:25:14,053 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 13:25:14,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-03-15 13:25:14,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f583a41/dca59ea03cbb4d4cb074279ede9246b7/FLAG7e52d8310 [2022-03-15 13:25:14,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1f583a41/dca59ea03cbb4d4cb074279ede9246b7 [2022-03-15 13:25:14,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 13:25:14,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 13:25:14,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 13:25:14,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 13:25:14,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 13:25:14,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e87d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14, skipping insertion in model container [2022-03-15 13:25:14,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 13:25:14,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 13:25:14,265 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-03-15 13:25:14,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:25:14,395 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 13:25:14,406 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-03-15 13:25:14,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 13:25:14,461 INFO L208 MainTranslator]: Completed translation [2022-03-15 13:25:14,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14 WrapperNode [2022-03-15 13:25:14,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 13:25:14,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 13:25:14,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 13:25:14,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 13:25:14,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,507 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-03-15 13:25:14,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 13:25:14,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 13:25:14,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 13:25:14,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 13:25:14,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 13:25:14,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 13:25:14,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 13:25:14,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 13:25:14,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (1/1) ... [2022-03-15 13:25:14,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 13:25:14,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 13:25:14,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 13:25:14,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 13:25:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 13:25:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 13:25:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 13:25:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 13:25:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 13:25:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 13:25:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 13:25:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 13:25:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 13:25:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 13:25:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 13:25:14,603 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 13:25:14,730 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 13:25:14,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 13:25:14,830 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 13:25:14,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 13:25:14,834 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 13:25:14,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:25:14 BoogieIcfgContainer [2022-03-15 13:25:14,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 13:25:14,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 13:25:14,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 13:25:14,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 13:25:14,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:25:14" (1/3) ... [2022-03-15 13:25:14,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37519df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:25:14, skipping insertion in model container [2022-03-15 13:25:14,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:14" (2/3) ... [2022-03-15 13:25:14,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37519df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:25:14, skipping insertion in model container [2022-03-15 13:25:14,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:25:14" (3/3) ... [2022-03-15 13:25:14,843 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-03-15 13:25:14,849 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 13:25:14,849 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 13:25:14,849 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 13:25:14,849 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 13:25:14,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 13:25:14,889 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 13:25:14,920 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 13:25:14,925 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 [2022-03-15 13:25:14,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 13:25:14,932 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 64 transitions, 136 flow [2022-03-15 13:25:14,957 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 137 states, 136 states have (on average 1.713235294117647) internal successors, (233), 136 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:25:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 136 states have (on average 1.713235294117647) internal successors, (233), 136 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:25:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 13:25:14,965 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:25:14,966 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] [2022-03-15 13:25:14,966 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 13:25:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:25:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash -392670942, now seen corresponding path program 1 times [2022-03-15 13:25:14,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:25:14,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64287978] [2022-03-15 13:25:14,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:25:14,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:25:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 13:25:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 13:25:15,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 13:25:15,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64287978] [2022-03-15 13:25:15,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64287978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 13:25:15,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 13:25:15,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 13:25:15,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596217528] [2022-03-15 13:25:15,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 13:25:15,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 13:25:15,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 13:25:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 13:25:15,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-15 13:25:15,199 INFO L87 Difference]: Start difference. First operand has 137 states, 136 states have (on average 1.713235294117647) internal successors, (233), 136 states have internal predecessors, (233), 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 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:25:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 13:25:15,265 INFO L93 Difference]: Finished difference Result 179 states and 304 transitions. [2022-03-15 13:25:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 13:25:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2022-03-15 13:25:15,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 13:25:15,279 INFO L225 Difference]: With dead ends: 179 [2022-03-15 13:25:15,279 INFO L226 Difference]: Without dead ends: 137 [2022-03-15 13:25:15,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-15 13:25:15,283 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 13:25:15,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 224 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 13:25:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-03-15 13:25:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-03-15 13:25:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.661764705882353) internal successors, (226), 136 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:25:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 226 transitions. [2022-03-15 13:25:15,325 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 226 transitions. Word has length 39 [2022-03-15 13:25:15,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 13:25:15,325 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 226 transitions. [2022-03-15 13:25:15,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 13:25:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2022-03-15 13:25:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-15 13:25:15,327 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 13:25:15,327 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] [2022-03-15 13:25:15,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 13:25:15,327 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 13:25:15,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 13:25:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash -140340200, now seen corresponding path program 1 times [2022-03-15 13:25:15,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 13:25:15,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677734862] [2022-03-15 13:25:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 13:25:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 13:25:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 13:25:15,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 13:25:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 13:25:15,407 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 13:25:15,408 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 13:25:15,409 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-15 13:25:15,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-15 13:25:15,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-15 13:25:15,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 13:25:15,417 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-15 13:25:15,421 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 13:25:15,421 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 13:25:15,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:25:15 BasicIcfg [2022-03-15 13:25:15,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 13:25:15,443 INFO L158 Benchmark]: Toolchain (without parser) took 1348.12ms. Allocated memory is still 205.5MB. Free memory was 147.3MB in the beginning and 106.7MB in the end (delta: 40.6MB). Peak memory consumption was 41.0MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,444 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 13:25:15,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.85ms. Allocated memory is still 205.5MB. Free memory was 147.2MB in the beginning and 166.5MB in the end (delta: -19.3MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 205.5MB. Free memory was 166.5MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,445 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 205.5MB. Free memory was 164.4MB in the beginning and 163.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,445 INFO L158 Benchmark]: RCFGBuilder took 298.23ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 151.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,446 INFO L158 Benchmark]: TraceAbstraction took 606.63ms. Allocated memory is still 205.5MB. Free memory was 151.3MB in the beginning and 106.7MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-03-15 13:25:15,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 363.85ms. Allocated memory is still 205.5MB. Free memory was 147.2MB in the beginning and 166.5MB in the end (delta: -19.3MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 205.5MB. Free memory was 166.5MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 205.5MB. Free memory was 164.4MB in the beginning and 163.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.23ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 151.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 606.63ms. Allocated memory is still 205.5MB. Free memory was 151.3MB in the beginning and 106.7MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. 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: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, 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, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 163 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-15 13:25:15,477 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...