/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-16 22:15:11,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-16 22:15:11,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-16 22:15:11,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-16 22:15:11,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-16 22:15:11,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-16 22:15:11,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-16 22:15:11,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-16 22:15:11,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-16 22:15:11,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-16 22:15:11,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-16 22:15:11,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-16 22:15:11,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-16 22:15:11,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-16 22:15:11,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-16 22:15:11,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-16 22:15:11,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-16 22:15:11,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-16 22:15:11,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-16 22:15:11,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-16 22:15:11,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-16 22:15:11,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-16 22:15:11,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-16 22:15:11,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-16 22:15:11,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-16 22:15:11,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-16 22:15:11,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-16 22:15:11,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-16 22:15:11,374 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-Sleep-NoLbe-Delay.epf [2021-02-16 22:15:11,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-16 22:15:11,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-16 22:15:11,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-16 22:15:11,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-16 22:15:11,404 INFO L138 SettingsManager]: * Use SBE=true [2021-02-16 22:15:11,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-16 22:15:11,404 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-16 22:15:11,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-16 22:15:11,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-16 22:15:11,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-16 22:15:11,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-16 22:15:11,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-16 22:15:11,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-16 22:15:11,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-16 22:15:11,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-16 22:15:11,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-16 22:15:11,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-16 22:15:11,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-16 22:15:11,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-16 22:15:11,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-16 22:15:11,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-16 22:15:11,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 22:15:11,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-16 22:15:11,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-16 22:15:11,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-16 22:15:11,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-16 22:15:11,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-16 22:15:11,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-16 22:15:11,409 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-16 22:15:11,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-16 22:15:11,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-16 22:15:11,410 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-16 22:15:11,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-16 22:15:11,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-16 22:15:11,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-16 22:15:11,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-16 22:15:11,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-16 22:15:11,873 INFO L275 PluginConnector]: CDTParser initialized [2021-02-16 22:15:11,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i [2021-02-16 22:15:11,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d044f28/8ff7e68464284ffbac3aad432083120c/FLAGe967a4542 [2021-02-16 22:15:12,734 INFO L306 CDTParser]: Found 1 translation units. [2021-02-16 22:15:12,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i [2021-02-16 22:15:12,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d044f28/8ff7e68464284ffbac3aad432083120c/FLAGe967a4542 [2021-02-16 22:15:13,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7d044f28/8ff7e68464284ffbac3aad432083120c [2021-02-16 22:15:13,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-16 22:15:13,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-16 22:15:13,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-16 22:15:13,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-16 22:15:13,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-16 22:15:13,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cd65e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13, skipping insertion in model container [2021-02-16 22:15:13,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-16 22:15:13,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-16 22:15:13,278 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i[950,963] [2021-02-16 22:15:13,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 22:15:13,528 INFO L203 MainTranslator]: Completed pre-run [2021-02-16 22:15:13,545 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc.i[950,963] [2021-02-16 22:15:13,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 22:15:13,712 INFO L208 MainTranslator]: Completed translation [2021-02-16 22:15:13,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13 WrapperNode [2021-02-16 22:15:13,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-16 22:15:13,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-16 22:15:13,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-16 22:15:13,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-16 22:15:13,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-16 22:15:13,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-16 22:15:13,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-16 22:15:13,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-16 22:15:13,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... [2021-02-16 22:15:13,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-16 22:15:13,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-16 22:15:13,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-16 22:15:13,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-16 22:15:13,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 22:15:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-16 22:15:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-16 22:15:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-16 22:15:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-16 22:15:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-16 22:15:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-16 22:15:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-16 22:15:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-16 22:15:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-16 22:15:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-16 22:15:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-16 22:15:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-16 22:15:13,976 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-16 22:15:14,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-16 22:15:14,409 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-16 22:15:14,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:15:14 BoogieIcfgContainer [2021-02-16 22:15:14,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-16 22:15:14,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-16 22:15:14,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-16 22:15:14,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-16 22:15:14,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 10:15:13" (1/3) ... [2021-02-16 22:15:14,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3eabb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 10:15:14, skipping insertion in model container [2021-02-16 22:15:14,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 10:15:13" (2/3) ... [2021-02-16 22:15:14,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3eabb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 10:15:14, skipping insertion in model container [2021-02-16 22:15:14,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:15:14" (3/3) ... [2021-02-16 22:15:14,430 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc.i [2021-02-16 22:15:14,438 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-16 22:15:14,439 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-16 22:15:14,445 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-16 22:15:14,446 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-16 22:15:14,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,505 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,505 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,506 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,506 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,507 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,508 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,508 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,509 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,517 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,517 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,524 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,525 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,525 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 22:15:14,533 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-16 22:15:14,555 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-16 22:15:14,610 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-16 22:15:14,611 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-16 22:15:14,611 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-16 22:15:14,611 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-16 22:15:14,611 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-16 22:15:14,611 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-16 22:15:14,611 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-16 22:15:14,611 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-16 22:15:14,810 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 22:15:14,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 22:15:14,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1255692820, now seen corresponding path program 1 times [2021-02-16 22:15:14,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 22:15:14,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762631794] [2021-02-16 22:15:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 22:15:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 22:15:15,000 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 22:15:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 22:15:15,048 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 22:15:15,083 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-16 22:15:15,084 INFO L606 BasicCegarLoop]: Counterexample might be feasible [2021-02-16 22:15:15,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-16 22:15:15,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 10:15:15 BasicIcfg [2021-02-16 22:15:15,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-16 22:15:15,138 INFO L168 Benchmark]: Toolchain (without parser) took 2119.43 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 230.8 MB in the end (delta: 45.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,139 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.9 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 22:15:15,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.02 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 244.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 285.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,144 INFO L168 Benchmark]: Boogie Preprocessor took 70.47 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 283.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,147 INFO L168 Benchmark]: RCFGBuilder took 555.02 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 262.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,148 INFO L168 Benchmark]: TraceAbstraction took 715.99 ms. Allocated memory is still 302.0 MB. Free memory was 262.3 MB in the beginning and 230.8 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-02-16 22:15:15,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.9 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 682.02 ms. Allocated memory is still 302.0 MB. Free memory was 274.9 MB in the beginning and 244.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 285.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 70.47 ms. Allocated memory is still 302.0 MB. Free memory was 285.4 MB in the beginning and 283.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 555.02 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 262.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 715.99 ms. Allocated memory is still 302.0 MB. Free memory was 262.3 MB in the beginning and 230.8 MB in the end (delta: 31.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=-1, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=-1, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=-1, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=-1, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=0, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=0, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=0, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, arg={8:9}, arg={8:9}, main$tmp_guard0=1] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=2, arg={8:9}, arg={8:9}, main$tmp_guard0=1] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, arg={8:9}, arg={8:9}, main$tmp_guard0=1] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=3, arg={8:9}, arg={8:9}, main$tmp_guard0=1] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, arg={8:9}, arg={8:9}, main$tmp_guard0=1] [L765] main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=4, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=5, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=5, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=6, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=6, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L745] __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0, main$tmp_guard1=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0, main$tmp_guard1=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0, main$tmp_guard1=0] [L3] COND FALSE !(!cond) VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0, main$tmp_guard1=0] [L18] reach_error() VAL [__unbuffered_cnt=7, arg={8:9}, arg={8:9}, main$tmp_guard0=0, main$tmp_guard1=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! Received shutdown request...