/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.abstract-por-f0ea240 [2022-02-10 21:59:42,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:59:42,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:59:42,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 21:59:42,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:59:42,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:59:42,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:59:42,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 21:59:42,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:59:42,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:59:42,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:59:42,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:59:42,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:59:42,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:59:42,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:59:42,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:59:42,728 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:59:42,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:59:42,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:59:42,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:59:42,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:59:42,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:59:42,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:59:42,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:59:42,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:59:42,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:59:42,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:59:42,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:59:42,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:59:42,971 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:59:42,972 INFO L432 ainManager$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 [2022-02-10 21:59:43,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1f12c99/d1cbd62c9270454b85c3eccb82028bcf/FLAG5e6394b05 [2022-02-10 21:59:43,562 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:59:43,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-02-10 21:59:43,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1f12c99/d1cbd62c9270454b85c3eccb82028bcf/FLAG5e6394b05 [2022-02-10 21:59:44,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab1f12c99/d1cbd62c9270454b85c3eccb82028bcf [2022-02-10 21:59:44,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:59:44,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:59:44,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:59:44,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:59:44,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:59:44,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327ebee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44, skipping insertion in model container [2022-02-10 21:59:44,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:59:44,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:59:44,263 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] [2022-02-10 21:59:44,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:59:44,545 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:59:44,554 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] [2022-02-10 21:59:44,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:59:44,670 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:59:44,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44 WrapperNode [2022-02-10 21:59:44,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:59:44,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:59:44,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:59:44,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:59:44,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,724 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-02-10 21:59:44,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:59:44,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:59:44,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:59:44,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:59:44,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:59:44,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:59:44,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:59:44,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:59:44,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (1/1) ... [2022-02-10 21:59:44,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:59:44,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:59:44,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 21:59:44,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 21:59:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-10 21:59:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-10 21:59:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:59:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:59:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:59:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:59:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:59:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:59:44,829 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:59:45,106 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:59:45,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:59:45,214 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:59:45,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:59:45,220 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:59:45,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:59:45 BoogieIcfgContainer [2022-02-10 21:59:45,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:59:45,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:59:45,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:59:45,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:59:45,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:59:44" (1/3) ... [2022-02-10 21:59:45,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301b4f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:59:45, skipping insertion in model container [2022-02-10 21:59:45,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:44" (2/3) ... [2022-02-10 21:59:45,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301b4f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:59:45, skipping insertion in model container [2022-02-10 21:59:45,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:59:45" (3/3) ... [2022-02-10 21:59:45,228 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-02-10 21:59:45,232 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:59:45,232 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:59:45,232 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 21:59:45,232 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:59:45,271 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,271 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,272 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,273 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,273 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,273 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,273 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,274 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,274 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,275 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,276 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,276 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,276 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,277 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,277 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,277 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,277 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,278 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,279 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,280 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,280 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,281 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,281 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,281 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,281 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,282 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,282 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,282 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,286 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,286 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,286 WARN L322 ript$VariableManager]: TermVariable f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,286 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,286 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,288 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,288 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,288 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,289 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,289 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,289 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,289 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,290 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,290 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:45,296 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 21:59:45,343 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:59:45,352 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, 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 [2022-02-10 21:59:45,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 21:59:45,364 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-02-10 21:59:45,440 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) [2022-02-10 21:59:45,444 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) [2022-02-10 21:59:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-10 21:59:45,456 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:45,457 INFO L515 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] [2022-02-10 21:59:45,458 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 21:59:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1366006769, now seen corresponding path program 1 times [2022-02-10 21:59:45,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:45,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338653878] [2022-02-10 21:59:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:45,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:45,835 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338653878] [2022-02-10 21:59:45,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338653878] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:45,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:45,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 21:59:45,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244697208] [2022-02-10 21:59:45,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:45,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:59:45,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:45,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:59:45,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:59:45,880 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) [2022-02-10 21:59:45,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:45,967 INFO L93 Difference]: Finished difference Result 784 states and 1793 transitions. [2022-02-10 21:59:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 21:59:45,969 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 [2022-02-10 21:59:45,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:45,980 INFO L225 Difference]: With dead ends: 784 [2022-02-10 21:59:45,981 INFO L226 Difference]: Without dead ends: 416 [2022-02-10 21:59:45,982 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:59:45,985 INFO L934 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 [2022-02-10 21:59:45,986 INFO L935 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] [2022-02-10 21:59:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-02-10 21:59:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-02-10 21:59:46,049 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) [2022-02-10 21:59:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 924 transitions. [2022-02-10 21:59:46,054 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 924 transitions. Word has length 53 [2022-02-10 21:59:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:46,055 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 924 transitions. [2022-02-10 21:59:46,055 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) [2022-02-10 21:59:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 924 transitions. [2022-02-10 21:59:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 21:59:46,059 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:46,059 INFO L515 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] [2022-02-10 21:59:46,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:59:46,060 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 21:59:46,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:46,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2062470095, now seen corresponding path program 1 times [2022-02-10 21:59:46,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:46,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921988842] [2022-02-10 21:59:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:46,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:46,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921988842] [2022-02-10 21:59:46,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921988842] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:46,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:46,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:59:46,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621676070] [2022-02-10 21:59:46,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:46,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:59:46,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:46,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:59:46,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:59:46,187 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) [2022-02-10 21:59:46,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:46,209 INFO L93 Difference]: Finished difference Result 320 states and 640 transitions. [2022-02-10 21:59:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:59:46,210 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 [2022-02-10 21:59:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:46,212 INFO L225 Difference]: With dead ends: 320 [2022-02-10 21:59:46,212 INFO L226 Difference]: Without dead ends: 256 [2022-02-10 21:59:46,212 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:59:46,213 INFO L934 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 [2022-02-10 21:59:46,214 INFO L935 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] [2022-02-10 21:59:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-02-10 21:59:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-02-10 21:59:46,225 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) [2022-02-10 21:59:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 502 transitions. [2022-02-10 21:59:46,226 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 502 transitions. Word has length 65 [2022-02-10 21:59:46,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:46,226 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 502 transitions. [2022-02-10 21:59:46,255 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) [2022-02-10 21:59:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 502 transitions. [2022-02-10 21:59:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 21:59:46,258 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:46,258 INFO L515 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] [2022-02-10 21:59:46,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:59:46,258 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 21:59:46,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:46,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1753105336, now seen corresponding path program 1 times [2022-02-10 21:59:46,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:46,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948964148] [2022-02-10 21:59:46,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:59:46,326 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:59:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:59:46,396 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:59:46,396 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:59:46,398 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-10 21:59:46,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-10 21:59:46,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 21:59:46,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-10 21:59:46,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:59:46,402 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 21:59:46,407 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:59:46,407 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:59:46,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:59:46 BasicIcfg [2022-02-10 21:59:46,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:59:46,460 INFO L158 Benchmark]: Toolchain (without parser) took 2403.68ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 151.8MB in the beginning and 195.8MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:59:46,461 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:59:46,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.58ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 151.6MB in the beginning and 195.4MB in the end (delta: -43.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-02-10 21:59:46,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.61ms. Allocated memory is still 245.4MB. Free memory was 195.4MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 21:59:46,462 INFO L158 Benchmark]: Boogie Preprocessor took 38.65ms. Allocated memory is still 245.4MB. Free memory was 192.7MB in the beginning and 190.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:59:46,462 INFO L158 Benchmark]: RCFGBuilder took 457.66ms. Allocated memory is still 245.4MB. Free memory was 190.1MB in the beginning and 173.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-10 21:59:46,463 INFO L158 Benchmark]: TraceAbstraction took 1236.60ms. Allocated memory is still 245.4MB. Free memory was 172.8MB in the beginning and 195.8MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:59:46,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 612.58ms. Allocated memory was 204.5MB in the beginning and 245.4MB in the end (delta: 40.9MB). Free memory was 151.6MB in the beginning and 195.4MB in the end (delta: -43.8MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.61ms. Allocated memory is still 245.4MB. Free memory was 195.4MB in the beginning and 192.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.65ms. Allocated memory is still 245.4MB. Free memory was 192.7MB in the beginning and 190.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 457.66ms. Allocated memory is still 245.4MB. Free memory was 190.1MB in the beginning and 173.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1236.60ms. Allocated memory is still 245.4MB. Free memory was 172.8MB in the beginning and 195.8MB in the end (delta: -23.0MB). There was no memory consumed. 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={5:0}, cond=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: 1.1s, 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, 0.0s 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, 0.3s 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! [2022-02-10 21:59:46,511 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...