/usr/bin/java -Xmx16000000000 -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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 06:58:06,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 06:58:06,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 06:58:06,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 06:58:06,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 06:58:06,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 06:58:06,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 06:58:06,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 06:58:06,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 06:58:06,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 06:58:06,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 06:58:06,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 06:58:06,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 06:58:06,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 06:58:06,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 06:58:06,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 06:58:06,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-15 06:58:06,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 06:58:06,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 06:58:06,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 06:58:06,445 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-POR-NewStatesSleep-NoLbe.epf [2021-04-15 06:58:06,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 06:58:06,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 06:58:06,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 06:58:06,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 06:58:06,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 06:58:06,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 06:58:06,460 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 06:58:06,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 06:58:06,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 06:58:06,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 06:58:06,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 06:58:06,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 06:58:06,463 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 06:58:06,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 06:58:06,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 06:58:06,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 06:58:06,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 06:58:06,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 06:58:06,694 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 06:58:06,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc.i [2021-04-15 06:58:06,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ffafcd8a/ddb50783415d44e88a111ceec897c603/FLAG86314d367 [2021-04-15 06:58:07,221 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 06:58:07,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc.i [2021-04-15 06:58:07,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ffafcd8a/ddb50783415d44e88a111ceec897c603/FLAG86314d367 [2021-04-15 06:58:07,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ffafcd8a/ddb50783415d44e88a111ceec897c603 [2021-04-15 06:58:07,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 06:58:07,250 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 06:58:07,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 06:58:07,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 06:58:07,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 06:58:07,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7ab30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07, skipping insertion in model container [2021-04-15 06:58:07,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 06:58:07,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 06:58:07,402 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/safe018_pso.oepc.i[950,963] [2021-04-15 06:58:07,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:58:07,552 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 06:58:07,561 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/safe018_pso.oepc.i[950,963] [2021-04-15 06:58:07,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:58:07,640 INFO L208 MainTranslator]: Completed translation [2021-04-15 06:58:07,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07 WrapperNode [2021-04-15 06:58:07,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 06:58:07,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 06:58:07,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 06:58:07,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 06:58:07,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 06:58:07,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 06:58:07,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 06:58:07,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 06:58:07,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (1/1) ... [2021-04-15 06:58:07,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 06:58:07,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 06:58:07,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 06:58:07,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 06:58:07,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (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 [2021-04-15 06:58:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 06:58:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 06:58:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 06:58:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 06:58:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 06:58:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 06:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 06:58:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 06:58:07,770 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 06:58:08,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 06:58:08,063 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 06:58:08,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:58:08 BoogieIcfgContainer [2021-04-15 06:58:08,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 06:58:08,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 06:58:08,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 06:58:08,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 06:58:08,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:58:07" (1/3) ... [2021-04-15 06:58:08,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f43bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:58:08, skipping insertion in model container [2021-04-15 06:58:08,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:58:07" (2/3) ... [2021-04-15 06:58:08,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f43bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:58:08, skipping insertion in model container [2021-04-15 06:58:08,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:58:08" (3/3) ... [2021-04-15 06:58:08,072 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc.i [2021-04-15 06:58:08,077 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 06:58:08,077 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 06:58:08,080 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 06:58:08,080 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 06:58:08,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,114 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,121 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,121 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,125 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,125 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,127 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,127 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:58:08,132 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 06:58:08,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-04-15 06:58:08,192 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 06:58:08,192 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 06:58:08,192 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 06:58:08,192 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 06:58:08,192 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 06:58:08,192 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 06:58:08,192 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 06:58:08,192 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 06:58:08,225 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:58:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:58:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash 435642662, now seen corresponding path program 1 times [2021-04-15 06:58:08,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:58:08,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052784141] [2021-04-15 06:58:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:58:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:58:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:58:08,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052784141] [2021-04-15 06:58:08,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:58:08,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 06:58:08,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776097322] [2021-04-15 06:58:08,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 06:58:08,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:58:08,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 06:58:08,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 06:58:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:08,426 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:58:08,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-04-15 06:58:08,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:08,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 06:58:08,435 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:58:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:58:08,435 INFO L82 PathProgramCache]: Analyzing trace with hash -296049595, now seen corresponding path program 1 times [2021-04-15 06:58:08,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:58:08,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023554206] [2021-04-15 06:58:08,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:58:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:58:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:58:08,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023554206] [2021-04-15 06:58:08,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:58:08,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:58:08,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318487613] [2021-04-15 06:58:08,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:58:08,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:58:08,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:58:08,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:58:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:08,650 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:58:08,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-04-15 06:58:08,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:08,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 06:58:09,380 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:58:09,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:58:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1966501361, now seen corresponding path program 1 times [2021-04-15 06:58:09,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:58:09,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720646489] [2021-04-15 06:58:09,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:58:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:58:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:58:09,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720646489] [2021-04-15 06:58:09,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:58:09,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:58:09,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192332296] [2021-04-15 06:58:09,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:58:09,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:58:09,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:58:09,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:58:09,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,485 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:58:09,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2021-04-15 06:58:09,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 06:58:09,738 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:58:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:58:09,739 INFO L82 PathProgramCache]: Analyzing trace with hash -193076499, now seen corresponding path program 1 times [2021-04-15 06:58:09,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:58:09,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817076872] [2021-04-15 06:58:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:58:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:58:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:58:09,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817076872] [2021-04-15 06:58:09,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:58:09,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:58:09,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793177770] [2021-04-15 06:58:09,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:58:09,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:58:09,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:58:09,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:58:09,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,888 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:58:09,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-04-15 06:58:09,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:58:10,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 06:58:10,176 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:58:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:58:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1693178477, now seen corresponding path program 2 times [2021-04-15 06:58:10,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:58:10,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082045076] [2021-04-15 06:58:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:58:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:58:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:58:10,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082045076] [2021-04-15 06:58:10,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:58:10,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:58:10,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050614814] [2021-04-15 06:58:10,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:58:10,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:58:10,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:58:10,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:58:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,302 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:58:10,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-04-15 06:58:10,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:58:10,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:58:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:58:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:58:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 06:58:10,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 06:58:10,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:58:10 BasicIcfg [2021-04-15 06:58:10,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 06:58:10,829 INFO L168 Benchmark]: Toolchain (without parser) took 3578.06 ms. Allocated memory was 385.9 MB in the beginning and 476.1 MB in the end (delta: 90.2 MB). Free memory was 349.7 MB in the beginning and 284.6 MB in the end (delta: 65.1 MB). Peak memory consumption was 157.7 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,832 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory was 368.0 MB in the beginning and 367.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:58:10,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.00 ms. Allocated memory is still 385.9 MB. Free memory was 349.6 MB in the beginning and 349.4 MB in the end (delta: 216.0 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.52 ms. Allocated memory is still 385.9 MB. Free memory was 349.4 MB in the beginning and 347.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,836 INFO L168 Benchmark]: Boogie Preprocessor took 13.75 ms. Allocated memory is still 385.9 MB. Free memory was 347.3 MB in the beginning and 346.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,836 INFO L168 Benchmark]: RCFGBuilder took 375.38 ms. Allocated memory is still 385.9 MB. Free memory was 346.2 MB in the beginning and 321.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,837 INFO L168 Benchmark]: TraceAbstraction took 2760.10 ms. Allocated memory was 385.9 MB in the beginning and 476.1 MB in the end (delta: 90.2 MB). Free memory was 321.1 MB in the beginning and 284.6 MB in the end (delta: 36.5 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.0 GB. [2021-04-15 06:58:10,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory was 368.0 MB in the beginning and 367.9 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 382.00 ms. Allocated memory is still 385.9 MB. Free memory was 349.6 MB in the beginning and 349.4 MB in the end (delta: 216.0 kB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.52 ms. Allocated memory is still 385.9 MB. Free memory was 349.4 MB in the beginning and 347.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.75 ms. Allocated memory is still 385.9 MB. Free memory was 347.3 MB in the beginning and 346.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 375.38 ms. Allocated memory is still 385.9 MB. Free memory was 346.2 MB in the beginning and 321.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2760.10 ms. Allocated memory was 385.9 MB in the beginning and 476.1 MB in the end (delta: 90.2 MB). Free memory was 321.1 MB in the beginning and 284.6 MB in the end (delta: 36.5 MB). Peak memory consumption was 128.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 78597, positive: 77451, positive conditional: 77451, positive unconditional: 0, negative: 1146, negative conditional: 1146, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 78071, positive: 77451, positive conditional: 77451, positive unconditional: 0, negative: 620, negative conditional: 620, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 78071, positive: 77076, positive conditional: 0, positive unconditional: 77076, negative: 995, negative conditional: 0, negative unconditional: 995, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 754, positive: 740, positive conditional: 0, positive unconditional: 740, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 754, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78071, positive: 76336, positive conditional: 0, positive unconditional: 76336, negative: 981, negative conditional: 0, negative unconditional: 981, unknown: 754, unknown conditional: 0, unknown unconditional: 754] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3218, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 2835, negative conditional: 204, negative unconditional: 2631, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Eliminated conditions: 2631, SemanticConditionEliminator.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3218, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 2835, negative conditional: 204, negative unconditional: 2631, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Eliminated conditions: 2631, SemanticConditionEliminator.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3218, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 2835, negative conditional: 204, negative unconditional: 2631, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Eliminated conditions: 2631, SemanticConditionEliminator.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3218, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 2835, negative conditional: 204, negative unconditional: 2631, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Eliminated conditions: 2631, SemanticConditionEliminator.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3218, positive: 375, positive conditional: 375, positive unconditional: 0, negative: 2843, negative conditional: 212, negative unconditional: 2631, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 22, negative conditional: 8, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 35, positive conditional: 26, positive unconditional: 10, negative: 57, negative conditional: 11, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3218, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 2835, negative conditional: 204, negative unconditional: 2631, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 755, Positive conditional cache size: 15, Positive unconditional cache size: 740, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Eliminated conditions: 2631 ], Maximal queried relation: 5, Independence queries for same thread: 526 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2661.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 1812.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.8ms SsaConstructionTime, 136.0ms SatisfiabilityAnalysisTime, 470.7ms InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 954 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...