/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:38:44,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:38:44,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:38:44,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:38:44,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:38:44,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:38:44,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:38:44,547 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-SemanticLbe-Delay.epf [2021-03-12 21:38:44,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:38:44,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:38:44,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:38:44,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:38:44,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:38:44,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:38:44,590 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:38:44,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:38:44,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:38:44,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:38:44,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:38:44,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:38:44,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:38:44,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:38:44,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:38:44,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:38:44,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:38:44,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:38:44,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:38:44,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:38:44,594 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:38:44,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:38:44,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:38:44,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:38:44,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:38:44,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:38:44,912 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:38:44,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-03-12 21:38:44,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198d9a54e/4c8f0a525dc3406d9403ee0d50930e85/FLAG3b32c8482 [2021-03-12 21:38:45,608 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:38:45,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-03-12 21:38:45,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198d9a54e/4c8f0a525dc3406d9403ee0d50930e85/FLAG3b32c8482 [2021-03-12 21:38:45,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198d9a54e/4c8f0a525dc3406d9403ee0d50930e85 [2021-03-12 21:38:45,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:38:45,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:38:45,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:38:45,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:38:45,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:38:45,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:38:45" (1/1) ... [2021-03-12 21:38:45,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01d7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:45, skipping insertion in model container [2021-03-12 21:38:45,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:38:45" (1/1) ... [2021-03-12 21:38:45,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:38:46,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:38:46,135 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/safe007_pso.oepc.i[950,963] [2021-03-12 21:38:46,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:38:46,282 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:38:46,292 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/safe007_pso.oepc.i[950,963] [2021-03-12 21:38:46,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:38:46,374 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:38:46,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46 WrapperNode [2021-03-12 21:38:46,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:38:46,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:38:46,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:38:46,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:38:46,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:38:46,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:38:46,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:38:46,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:38:46,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (1/1) ... [2021-03-12 21:38:46,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:38:46,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:38:46,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:38:46,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:38:46,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (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 [2021-03-12 21:38:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:38:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:38:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:38:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:38:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:38:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:38:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:38:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:38:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:38:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:38:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:38:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:38:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:38:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:38:46,503 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 21:38:46,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:38:46,804 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 21:38:46,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:38:46 BoogieIcfgContainer [2021-03-12 21:38:46,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:38:46,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:38:46,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:38:46,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:38:46,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:38:45" (1/3) ... [2021-03-12 21:38:46,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4082f7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:38:46, skipping insertion in model container [2021-03-12 21:38:46,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:38:46" (2/3) ... [2021-03-12 21:38:46,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4082f7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:38:46, skipping insertion in model container [2021-03-12 21:38:46,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:38:46" (3/3) ... [2021-03-12 21:38:46,811 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-03-12 21:38:46,815 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:38:46,816 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:38:46,819 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 21:38:46,819 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:38:46,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,856 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,856 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,857 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,857 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,875 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,876 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:38:46,881 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:38:46,896 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 [2021-03-12 21:38:46,958 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:38:46,959 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:38:46,959 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:38:46,959 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:38:46,959 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:38:46,959 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:38:46,959 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:38:46,959 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:38:46,969 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:38:46,970 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 76 transitions, 167 flow [2021-03-12 21:38:46,972 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 76 transitions, 167 flow [2021-03-12 21:38:46,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 76 transitions, 167 flow [2021-03-12 21:38:47,024 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2021-03-12 21:38:47,024 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:38:47,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-12 21:38:47,030 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-12 21:38:49,394 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-12 21:38:49,622 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-12 21:38:49,702 INFO L131 LiptonReduction]: Checked pairs total: 2521 [2021-03-12 21:38:49,702 INFO L133 LiptonReduction]: Total number of compositions: 63 [2021-03-12 21:38:49,769 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:49,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:49,773 INFO L82 PathProgramCache]: Analyzing trace with hash -350950121, now seen corresponding path program 1 times [2021-03-12 21:38:49,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:49,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455482889] [2021-03-12 21:38:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:49,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455482889] [2021-03-12 21:38:49,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:49,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:38:49,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507819043] [2021-03-12 21:38:49,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 21:38:49,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:49,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 21:38:49,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 21:38:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:49,941 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:49,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-03-12 21:38:49,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:49,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:38:49,947 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:49,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2005444816, now seen corresponding path program 1 times [2021-03-12 21:38:49,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:49,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854472189] [2021-03-12 21:38:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:50,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854472189] [2021-03-12 21:38:50,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:50,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:38:50,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881687112] [2021-03-12 21:38:50,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:38:50,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:50,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:38:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:38:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,116 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:50,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-03-12 21:38:50,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:38:50,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:38:50,274 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:50,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:50,274 INFO L82 PathProgramCache]: Analyzing trace with hash 678180816, now seen corresponding path program 2 times [2021-03-12 21:38:50,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:50,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840078913] [2021-03-12 21:38:50,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:50,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840078913] [2021-03-12 21:38:50,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:50,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:38:50,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229303054] [2021-03-12 21:38:50,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:38:50,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:50,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:38:50,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:38:50,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,394 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:50,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-03-12 21:38:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:38:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:38:50,534 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:38:50,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:38:50,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1334031952, now seen corresponding path program 3 times [2021-03-12 21:38:50,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:38:50,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010377183] [2021-03-12 21:38:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:38:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:38:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:38:50,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010377183] [2021-03-12 21:38:50,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:38:50,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:38:50,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198445979] [2021-03-12 21:38:50,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:38:50,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:38:50,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:38:50,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:38:50,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,632 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:38:50,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-03-12 21:38:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:38:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:38:50,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:38:50,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:38:50 BasicIcfg [2021-03-12 21:38:50,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:38:50,755 INFO L168 Benchmark]: Toolchain (without parser) took 4775.62 ms. Allocated memory was 255.9 MB in the beginning and 459.3 MB in the end (delta: 203.4 MB). Free memory was 235.5 MB in the beginning and 318.8 MB in the end (delta: -83.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,755 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:38:50,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.03 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 234.6 MB in the beginning and 344.3 MB in the end (delta: -109.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.38 ms. Allocated memory is still 381.7 MB. Free memory was 344.3 MB in the beginning and 342.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,757 INFO L168 Benchmark]: Boogie Preprocessor took 17.93 ms. Allocated memory is still 381.7 MB. Free memory was 342.2 MB in the beginning and 341.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,760 INFO L168 Benchmark]: RCFGBuilder took 368.29 ms. Allocated memory is still 381.7 MB. Free memory was 341.0 MB in the beginning and 356.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,761 INFO L168 Benchmark]: TraceAbstraction took 3947.49 ms. Allocated memory was 381.7 MB in the beginning and 459.3 MB in the end (delta: 77.6 MB). Free memory was 356.0 MB in the beginning and 318.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:38:50,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 392.03 ms. Allocated memory was 255.9 MB in the beginning and 381.7 MB in the end (delta: 125.8 MB). Free memory was 234.6 MB in the beginning and 344.3 MB in the end (delta: -109.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.38 ms. Allocated memory is still 381.7 MB. Free memory was 344.3 MB in the beginning and 342.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.93 ms. Allocated memory is still 381.7 MB. Free memory was 342.2 MB in the beginning and 341.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 368.29 ms. Allocated memory is still 381.7 MB. Free memory was 341.0 MB in the beginning and 356.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3947.49 ms. Allocated memory was 381.7 MB in the beginning and 459.3 MB in the end (delta: 77.6 MB). Free memory was 356.0 MB in the beginning and 318.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2729.8ms, 84 PlacesBefore, 32 PlacesAfterwards, 76 TransitionsBefore, 23 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 2521 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1472, positive: 1382, positive conditional: 0, positive unconditional: 1382, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 871, positive: 845, positive conditional: 0, positive unconditional: 845, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 871, positive: 836, positive conditional: 0, positive unconditional: 836, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1472, positive: 537, positive conditional: 0, positive unconditional: 537, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5192, positive: 4143, positive conditional: 4143, positive unconditional: 0, negative: 1049, negative conditional: 1049, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4518, positive: 4143, positive conditional: 4143, positive unconditional: 0, negative: 375, negative conditional: 375, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4518, positive: 4008, positive conditional: 0, positive unconditional: 4008, negative: 510, negative conditional: 0, negative unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 94, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 94, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 70, positive conditional: 43, positive unconditional: 28, negative: 71, negative conditional: 31, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4518, positive: 3924, positive conditional: 0, positive unconditional: 3924, negative: 500, negative conditional: 0, negative unconditional: 500, unknown: 94, unknown conditional: 0, unknown unconditional: 94] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 91, Positive conditional cache size: 7, Positive unconditional cache size: 84, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 70, positive conditional: 43, positive unconditional: 28, negative: 71, negative conditional: 31, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1501, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 1360, negative conditional: 32, negative unconditional: 1328, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 91, Positive conditional cache size: 7, Positive unconditional cache size: 84, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1328, SemanticConditionEliminator.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 70, positive conditional: 43, positive unconditional: 28, negative: 71, negative conditional: 31, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1501, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 1360, negative conditional: 32, negative unconditional: 1328, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 91, Positive conditional cache size: 7, Positive unconditional cache size: 84, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1328, SemanticConditionEliminator.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 70, positive conditional: 43, positive unconditional: 28, negative: 71, negative conditional: 31, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1501, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 1360, negative conditional: 32, negative unconditional: 1328, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 91, Positive conditional cache size: 7, Positive unconditional cache size: 84, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1328, SemanticConditionEliminator.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1501, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 1366, negative conditional: 38, negative unconditional: 1328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 10, positive conditional: 7, positive unconditional: 3, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 70, positive conditional: 43, positive unconditional: 28, negative: 71, negative conditional: 31, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1501, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 1360, negative conditional: 32, negative unconditional: 1328, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 91, Positive conditional cache size: 7, Positive unconditional cache size: 84, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1328 ], Maximal queried relation: 4, Independence queries for same thread: 674 - 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, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3831.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2754.0ms, PartialOrderReductionTime: 469.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 25.6ms SsaConstructionTime, 121.7ms SatisfiabilityAnalysisTime, 282.6ms InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...