/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_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:08:04,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:08:04,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:08:04,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:08:04,668 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 [2022-03-01 15:08:04,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:08:04,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:08:04,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:08:04,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:08:04,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:08:04,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:08:04,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:08:04,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:08:04,694 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:08:04,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:08:04,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:08:04,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:08:04,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:08:04,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:08:04,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:08:04,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:08:04,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:08:04,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:08:04,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:08:04,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:08:04,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:08:04,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:08:04,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:08:04,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:08:04,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:08:04,699 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:08:04,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:08:04,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:08:04,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:08:04,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:08:04,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:08:04,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:08:04,945 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:08:04,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-03-01 15:08:05,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f24410/6e85d60ee3d2493da4676f27c8506653/FLAGfebed97cb [2022-03-01 15:08:05,484 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:08:05,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-03-01 15:08:05,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f24410/6e85d60ee3d2493da4676f27c8506653/FLAGfebed97cb [2022-03-01 15:08:05,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f24410/6e85d60ee3d2493da4676f27c8506653 [2022-03-01 15:08:05,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:08:05,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:08:05,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:08:05,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:08:05,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:08:05,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:08:05" (1/1) ... [2022-03-01 15:08:05,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47753b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:05, skipping insertion in model container [2022-03-01 15:08:05,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:08:05" (1/1) ... [2022-03-01 15:08:05,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:08:05,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:08:05,766 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_67-pthread_cond_wait_true.i[1094,1107] [2022-03-01 15:08:05,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:08:05,995 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:08:06,005 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_67-pthread_cond_wait_true.i[1094,1107] [2022-03-01 15:08:06,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:08:06,146 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:08:06,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06 WrapperNode [2022-03-01 15:08:06,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:08:06,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:08:06,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:08:06,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:08:06,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,225 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-03-01 15:08:06,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:08:06,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:08:06,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:08:06,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:08:06,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:08:06,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:08:06,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:08:06,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:08:06,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (1/1) ... [2022-03-01 15:08:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:08:06,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:08:06,324 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) [2022-03-01 15:08:06,344 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 [2022-03-01 15:08:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-03-01 15:08:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-03-01 15:08:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-03-01 15:08:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-03-01 15:08:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-03-01 15:08:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:08:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:08:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 15:08:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:08:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 15:08:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:08:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:08:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:08:06,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:08:06,373 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:08:06,688 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:08:06,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:08:06,876 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:08:06,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:08:06,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 15:08:06,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:08:06 BoogieIcfgContainer [2022-03-01 15:08:06,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:08:06,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:08:06,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:08:06,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:08:06,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:08:05" (1/3) ... [2022-03-01 15:08:06,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206ae9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:08:06, skipping insertion in model container [2022-03-01 15:08:06,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:08:06" (2/3) ... [2022-03-01 15:08:06,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206ae9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:08:06, skipping insertion in model container [2022-03-01 15:08:06,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:08:06" (3/3) ... [2022-03-01 15:08:06,895 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-03-01 15:08:06,900 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:08:06,900 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:08:06,900 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:08:06,900 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:08:06,939 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,939 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,940 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,940 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,940 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,940 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,941 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,941 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,941 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,942 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,942 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,942 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,943 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,943 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,943 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,944 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,944 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,944 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,944 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,944 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,945 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,945 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,945 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,946 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,946 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,946 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,946 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,946 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,947 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,948 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,949 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,950 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,950 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,950 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,950 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,950 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,956 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,956 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,957 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,957 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,957 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,960 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,972 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,972 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,972 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:08:06,977 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 15:08:07,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:08:07,016 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 [2022-03-01 15:08:07,016 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 15:08:07,027 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-03-01 15:08:07,095 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 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) [2022-03-01 15:08:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 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) [2022-03-01 15:08:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-01 15:08:07,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:08:07,108 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, 1, 1, 1, 1] [2022-03-01 15:08:07,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 15:08:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:08:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1366006769, now seen corresponding path program 1 times [2022-03-01 15:08:07,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:08:07,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846105746] [2022-03-01 15:08:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:08:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:08:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:08:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:08:07,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:08:07,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846105746] [2022-03-01 15:08:07,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846105746] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:08:07,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:08:07,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:08:07,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817167603] [2022-03-01 15:08:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:08:07,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:08:07,569 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:08:07,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:08:07,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:08:07,605 INFO L87 Difference]: Start difference. First operand has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 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 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-03-01 15:08:07,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:08:07,728 INFO L93 Difference]: Finished difference Result 784 states and 1793 transitions. [2022-03-01 15:08:07,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:08:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 53 [2022-03-01 15:08:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:08:07,749 INFO L225 Difference]: With dead ends: 784 [2022-03-01 15:08:07,750 INFO L226 Difference]: Without dead ends: 416 [2022-03-01 15:08:07,751 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 [2022-03-01 15:08:07,755 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:08:07,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 402 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:08:07,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-03-01 15:08:07,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-03-01 15:08:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 415 states have (on average 2.2265060240963854) internal successors, (924), 415 states have internal predecessors, (924), 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) [2022-03-01 15:08:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 924 transitions. [2022-03-01 15:08:07,831 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 924 transitions. Word has length 53 [2022-03-01 15:08:07,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:08:07,831 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 924 transitions. [2022-03-01 15:08:07,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-03-01 15:08:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 924 transitions. [2022-03-01 15:08:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-01 15:08:07,834 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:08:07,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:08:07,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:08:07,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 15:08:07,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:08:07,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2062470095, now seen corresponding path program 1 times [2022-03-01 15:08:07,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:08:07,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748477501] [2022-03-01 15:08:07,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:08:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:08:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:08:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:08:08,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:08:08,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748477501] [2022-03-01 15:08:08,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748477501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:08:08,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:08:08,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 15:08:08,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652142443] [2022-03-01 15:08:08,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:08:08,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 15:08:08,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:08:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 15:08:08,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 15:08:08,013 INFO L87 Difference]: Start difference. First operand 416 states and 924 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-03-01 15:08:08,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:08:08,038 INFO L93 Difference]: Finished difference Result 320 states and 640 transitions. [2022-03-01 15:08:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 15:08:08,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2022-03-01 15:08:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:08:08,041 INFO L225 Difference]: With dead ends: 320 [2022-03-01 15:08:08,041 INFO L226 Difference]: Without dead ends: 256 [2022-03-01 15:08:08,041 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 [2022-03-01 15:08:08,043 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 15 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:08:08,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 128 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:08:08,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-03-01 15:08:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-03-01 15:08:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.968627450980392) internal successors, (502), 255 states have internal predecessors, (502), 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) [2022-03-01 15:08:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 502 transitions. [2022-03-01 15:08:08,054 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 502 transitions. Word has length 65 [2022-03-01 15:08:08,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:08:08,054 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 502 transitions. [2022-03-01 15:08:08,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-03-01 15:08:08,054 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 502 transitions. [2022-03-01 15:08:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 15:08:08,057 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:08:08,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:08:08,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 15:08:08,058 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-01 15:08:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:08:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1753105336, now seen corresponding path program 1 times [2022-03-01 15:08:08,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:08:08,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597353616] [2022-03-01 15:08:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:08:08,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:08:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:08:08,132 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 15:08:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 15:08:08,246 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 15:08:08,247 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 15:08:08,248 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-01 15:08:08,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-01 15:08:08,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 15:08:08,250 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-03-01 15:08:08,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 15:08:08,255 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-01 15:08:08,259 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 15:08:08,259 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 15:08:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 03:08:08 BasicIcfg [2022-03-01 15:08:08,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 15:08:08,319 INFO L158 Benchmark]: Toolchain (without parser) took 2801.50ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 136.9MB in the beginning and 206.0MB in the end (delta: -69.1MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 15:08:08,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.75ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 136.7MB in the beginning and 194.4MB in the end (delta: -57.8MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.01ms. Allocated memory is still 251.7MB. Free memory was 194.4MB in the beginning and 191.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,320 INFO L158 Benchmark]: Boogie Preprocessor took 53.43ms. Allocated memory is still 251.7MB. Free memory was 191.6MB in the beginning and 189.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,320 INFO L158 Benchmark]: RCFGBuilder took 608.01ms. Allocated memory is still 251.7MB. Free memory was 189.2MB in the beginning and 172.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,321 INFO L158 Benchmark]: TraceAbstraction took 1428.58ms. Allocated memory is still 251.7MB. Free memory was 172.4MB in the beginning and 206.0MB in the end (delta: -33.6MB). Peak memory consumption was 55.5MB. Max. memory is 8.0GB. [2022-03-01 15:08:08,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 628.75ms. Allocated memory was 196.1MB in the beginning and 251.7MB in the end (delta: 55.6MB). Free memory was 136.7MB in the beginning and 194.4MB in the end (delta: -57.8MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.01ms. Allocated memory is still 251.7MB. Free memory was 194.4MB in the beginning and 191.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.43ms. Allocated memory is still 251.7MB. Free memory was 191.6MB in the beginning and 189.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 608.01ms. Allocated memory is still 251.7MB. Free memory was 189.2MB in the beginning and 172.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1428.58ms. Allocated memory is still 251.7MB. Free memory was 172.4MB in the beginning and 206.0MB in the end (delta: -33.6MB). Peak memory consumption was 55.5MB. 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: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1366] 2 g = 0 VAL [cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: 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. - UnprovableResult [Line: 1375]: 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 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 530 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 211 mSDtfsCounter, 46 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=664occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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! [2022-03-01 15:08:08,364 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...