/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/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:43:29,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:43:29,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:43:29,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:43:29,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:43:29,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:43:29,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:43:29,824 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 21:43:29,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:43:29,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:43:29,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:43:29,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:43:29,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:43:29,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:43:29,855 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:43:29,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:43:29,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:43:29,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:43:29,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:43:29,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:43:29,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:43:29,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:43:29,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:43:29,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:43:29,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:43:29,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:43:29,859 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:43:29,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:43:30,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:43:30,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:43:30,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:43:30,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:43:30,129 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:43:30,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2021-03-12 21:43:30,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cda0c55e/40eca95b65b54d35ba3ffbf5afb86335/FLAGb761b1f05 [2021-03-12 21:43:30,619 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:43:30,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2021-03-12 21:43:30,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cda0c55e/40eca95b65b54d35ba3ffbf5afb86335/FLAGb761b1f05 [2021-03-12 21:43:30,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cda0c55e/40eca95b65b54d35ba3ffbf5afb86335 [2021-03-12 21:43:30,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:43:30,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:43:30,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:43:30,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:43:30,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:43:30,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:43:30" (1/1) ... [2021-03-12 21:43:30,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f4e155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:30, skipping insertion in model container [2021-03-12 21:43:30,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:43:30" (1/1) ... [2021-03-12 21:43:30,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:43:30,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:43:30,846 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/safe019_pso.oepc.i[950,963] [2021-03-12 21:43:30,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:43:30,997 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:43:31,005 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/safe019_pso.oepc.i[950,963] [2021-03-12 21:43:31,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:43:31,081 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:43:31,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31 WrapperNode [2021-03-12 21:43:31,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:43:31,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:43:31,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:43:31,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:43:31,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:43:31,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:43:31,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:43:31,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:43:31,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (1/1) ... [2021-03-12 21:43:31,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:43:31,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:43:31,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:43:31,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:43:31,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (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 21:43:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:43:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:43:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:43:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:43:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:43:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:43:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:43:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:43:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:43:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:43:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-12 21:43:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-12 21:43:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:43:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:43:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:43:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:43:31,229 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 21:43:31,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:43:31,514 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 21:43:31,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:43:31 BoogieIcfgContainer [2021-03-12 21:43:31,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:43:31,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:43:31,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:43:31,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:43:31,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:43:30" (1/3) ... [2021-03-12 21:43:31,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765dc43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:43:31, skipping insertion in model container [2021-03-12 21:43:31,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:43:31" (2/3) ... [2021-03-12 21:43:31,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765dc43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:43:31, skipping insertion in model container [2021-03-12 21:43:31,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:43:31" (3/3) ... [2021-03-12 21:43:31,520 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2021-03-12 21:43:31,524 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:43:31,524 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:43:31,527 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 21:43:31,527 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:43:31,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,546 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,546 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,553 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,554 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,557 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,557 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:43:31,561 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:43:31,573 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 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) [2021-03-12 21:43:31,616 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:43:31,617 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:43:31,617 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:43:31,617 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:43:31,617 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:43:31,617 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:43:31,617 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:43:31,617 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 21:43:31,630 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:43:31,630 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow [2021-03-12 21:43:31,632 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 86 transitions, 192 flow [2021-03-12 21:43:31,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2021-03-12 21:43:31,677 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-03-12 21:43:31,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:43:31,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-03-12 21:43:31,683 INFO L116 LiptonReduction]: Number of co-enabled transitions 1866 [2021-03-12 21:43:33,508 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-12 21:43:33,680 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-12 21:43:33,824 INFO L131 LiptonReduction]: Checked pairs total: 3367 [2021-03-12 21:43:33,824 INFO L133 LiptonReduction]: Total number of compositions: 69 [2021-03-12 21:43:33,870 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash 847747107, now seen corresponding path program 1 times [2021-03-12 21:43:33,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:33,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137788364] [2021-03-12 21:43:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:33,985 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 21:43:33,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137788364] [2021-03-12 21:43:33,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:33,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:43:33,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856729928] [2021-03-12 21:43:33,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 21:43:33,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:33,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 21:43:33,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 21:43:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:33,998 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:33,998 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 21:43:33,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:43:34,014 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1759962826, now seen corresponding path program 1 times [2021-03-12 21:43:34,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:34,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697414451] [2021-03-12 21:43:34,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:34,162 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 21:43:34,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697414451] [2021-03-12 21:43:34,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:34,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:43:34,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243039486] [2021-03-12 21:43:34,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:43:34,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:34,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:43:34,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:43:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,165 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:34,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 21:43:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:43:34,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:43:34,289 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:34,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:34,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1559446540, now seen corresponding path program 2 times [2021-03-12 21:43:34,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:34,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849764428] [2021-03-12 21:43:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:34,407 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 21:43:34,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849764428] [2021-03-12 21:43:34,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:34,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:43:34,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129286249] [2021-03-12 21:43:34,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:43:34,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:34,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:43:34,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:43:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,409 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:34,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 21:43:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:43:34,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:34,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:43:34,766 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:34,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1809774534, now seen corresponding path program 3 times [2021-03-12 21:43:34,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:34,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763289139] [2021-03-12 21:43:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:34,837 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 21:43:34,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763289139] [2021-03-12 21:43:34,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:34,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 21:43:34,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602230460] [2021-03-12 21:43:34,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:43:34,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:34,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:43:34,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:43:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,839 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:34,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21:43:34,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:34,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:34,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:34,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:43:35,046 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:35,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:35,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1480457193, now seen corresponding path program 1 times [2021-03-12 21:43:35,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:35,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773220548] [2021-03-12 21:43:35,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:35,134 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 21:43:35,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773220548] [2021-03-12 21:43:35,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:35,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 21:43:35,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244465360] [2021-03-12 21:43:35,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:43:35,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:35,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:43:35,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:43:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,135 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:35,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 21:43:35,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:43:35,330 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:43:35,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:43:35,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1289103099, now seen corresponding path program 2 times [2021-03-12 21:43:35,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:43:35,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270907547] [2021-03-12 21:43:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:43:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:43:35,399 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 21:43:35,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270907547] [2021-03-12 21:43:35,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:43:35,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 21:43:35,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464725234] [2021-03-12 21:43:35,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 21:43:35,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:43:35,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 21:43:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-12 21:43:35,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,401 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:43:35,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:43:35,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 21:43:35,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 21:43:35,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:43:35 BasicIcfg [2021-03-12 21:43:35,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:43:35,764 INFO L168 Benchmark]: Toolchain (without parser) took 5112.06 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 323.5 MB in the beginning and 290.2 MB in the end (delta: 33.4 MB). Peak memory consumption was 109.0 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,765 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 360.7 MB. Free memory was 341.8 MB in the beginning and 341.7 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:43:35,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.72 ms. Allocated memory is still 360.7 MB. Free memory was 322.9 MB in the beginning and 322.6 MB in the end (delta: 351.1 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.76 ms. Allocated memory is still 360.7 MB. Free memory was 322.6 MB in the beginning and 320.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,765 INFO L168 Benchmark]: Boogie Preprocessor took 32.28 ms. Allocated memory is still 360.7 MB. Free memory was 320.5 MB in the beginning and 319.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,766 INFO L168 Benchmark]: RCFGBuilder took 354.66 ms. Allocated memory is still 360.7 MB. Free memory was 319.4 MB in the beginning and 293.2 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,766 INFO L168 Benchmark]: TraceAbstraction took 4247.35 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 293.2 MB in the beginning and 290.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.0 GB. [2021-03-12 21:43:35,767 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 360.7 MB. Free memory was 341.8 MB in the beginning and 341.7 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 423.72 ms. Allocated memory is still 360.7 MB. Free memory was 322.9 MB in the beginning and 322.6 MB in the end (delta: 351.1 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.76 ms. Allocated memory is still 360.7 MB. Free memory was 322.6 MB in the beginning and 320.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.28 ms. Allocated memory is still 360.7 MB. Free memory was 320.5 MB in the beginning and 319.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 354.66 ms. Allocated memory is still 360.7 MB. Free memory was 319.4 MB in the beginning and 293.2 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4247.35 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 293.2 MB in the beginning and 290.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2192.5ms, 97 PlacesBefore, 39 PlacesAfterwards, 86 TransitionsBefore, 27 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 3367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2341, positive: 2249, positive conditional: 0, positive unconditional: 2249, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1278, positive: 1248, positive conditional: 0, positive unconditional: 1248, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1278, positive: 1233, positive conditional: 0, positive unconditional: 1233, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2341, positive: 1001, positive conditional: 0, positive unconditional: 1001, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 1278, unknown conditional: 0, unknown unconditional: 1278] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35298, positive: 28583, positive conditional: 28583, positive unconditional: 0, negative: 6715, negative conditional: 6715, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 31273, positive: 28583, positive conditional: 28583, positive unconditional: 0, negative: 2690, negative conditional: 2690, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 31273, positive: 25553, positive conditional: 0, positive unconditional: 25553, negative: 5720, negative conditional: 0, negative unconditional: 5720, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 147, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 147, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31273, positive: 25422, positive conditional: 0, positive unconditional: 25422, negative: 5704, negative conditional: 0, negative unconditional: 5704, unknown: 147, unknown conditional: 0, unknown unconditional: 147] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893, SemanticConditionEliminator.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23496, positive: 3030, positive conditional: 3030, positive unconditional: 0, negative: 20466, negative conditional: 573, negative unconditional: 19893, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 62, positive conditional: 54, positive unconditional: 8, negative: 39, negative conditional: 23, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 389, positive: 233, positive conditional: 208, positive unconditional: 25, negative: 156, negative conditional: 86, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23496, positive: 2976, positive conditional: 2976, positive unconditional: 0, negative: 20443, negative conditional: 550, negative unconditional: 19893, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 185, Positive conditional cache size: 54, Positive unconditional cache size: 131, Negative cache size: 39, Negative conditional cache size: 23, Negative unconditional cache size: 16, Eliminated conditions: 19893 ], Maximal queried relation: 6, Independence queries for same thread: 4025 - 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 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4178.1ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2214.0ms, PartialOrderReductionTime: 1283.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 12.6ms SsaConstructionTime, 125.8ms SatisfiabilityAnalysisTime, 366.0ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...