/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/safe037_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:50:01,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:50:01,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:50:01,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:50:01,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:50:01,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:50:01,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:50:01,943 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 21:50:01,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:50:01,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:50:01,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:50:01,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:50:01,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:50:01,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:50:01,985 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:50:01,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:50:01,985 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:50:01,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:50:01,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:50:01,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:50:01,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:50:01,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:50:01,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:50:01,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:50:01,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:50:01,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:50:01,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:50:01,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:50:01,989 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:50:01,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:50:02,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:50:02,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:50:02,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:50:02,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:50:02,321 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:50:02,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_rmo.opt.i [2021-03-12 21:50:02,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acacf898b/f5ef618d173e4150bc38ed5c68c70083/FLAG47dc2ae0a [2021-03-12 21:50:02,918 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:50:02,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_rmo.opt.i [2021-03-12 21:50:02,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acacf898b/f5ef618d173e4150bc38ed5c68c70083/FLAG47dc2ae0a [2021-03-12 21:50:03,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acacf898b/f5ef618d173e4150bc38ed5c68c70083 [2021-03-12 21:50:03,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:50:03,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:50:03,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:50:03,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:50:03,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:50:03,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb29ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03, skipping insertion in model container [2021-03-12 21:50:03,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:50:03,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:50:03,532 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/safe037_rmo.opt.i[949,962] [2021-03-12 21:50:03,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:50:03,722 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:50:03,733 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/safe037_rmo.opt.i[949,962] [2021-03-12 21:50:03,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:50:03,841 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:50:03,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03 WrapperNode [2021-03-12 21:50:03,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:50:03,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:50:03,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:50:03,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:50:03,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:50:03,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:50:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:50:03,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:50:03,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (1/1) ... [2021-03-12 21:50:03,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:50:03,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:50:03,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:50:03,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:50:03,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (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 21:50:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:50:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:50:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:50:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:50:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:50:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:50:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:50:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:50:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:50:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:50:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:50:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:50:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:50:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:50:04,019 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 21:50:04,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:50:04,311 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 21:50:04,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:50:04 BoogieIcfgContainer [2021-03-12 21:50:04,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:50:04,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:50:04,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:50:04,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:50:04,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:50:03" (1/3) ... [2021-03-12 21:50:04,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd1f82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:50:04, skipping insertion in model container [2021-03-12 21:50:04,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:50:03" (2/3) ... [2021-03-12 21:50:04,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd1f82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:50:04, skipping insertion in model container [2021-03-12 21:50:04,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:50:04" (3/3) ... [2021-03-12 21:50:04,321 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_rmo.opt.i [2021-03-12 21:50:04,326 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:50:04,326 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:50:04,330 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 21:50:04,331 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:50:04,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,358 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,358 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,365 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,366 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,367 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,367 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:50:04,368 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:50:04,382 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 21:50:04,434 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:50:04,434 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:50:04,434 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:50:04,435 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:50:04,435 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:50:04,435 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:50:04,435 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:50:04,435 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:50:04,446 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:50:04,446 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 76 transitions, 167 flow [2021-03-12 21:50:04,452 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 76 transitions, 167 flow [2021-03-12 21:50:04,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 76 transitions, 167 flow [2021-03-12 21:50:04,508 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2021-03-12 21:50:04,508 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:50:04,511 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 53 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 21:50:04,514 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-12 21:50:06,525 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-12 21:50:06,800 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-12 21:50:07,206 INFO L131 LiptonReduction]: Checked pairs total: 2609 [2021-03-12 21:50:07,206 INFO L133 LiptonReduction]: Total number of compositions: 65 [2021-03-12 21:50:07,251 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:50:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:50:07,255 INFO L82 PathProgramCache]: Analyzing trace with hash 314641041, now seen corresponding path program 1 times [2021-03-12 21:50:07,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:50:07,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516589914] [2021-03-12 21:50:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:50:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:50:07,463 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 21:50:07,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516589914] [2021-03-12 21:50:07,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:50:07,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:50:07,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881963134] [2021-03-12 21:50:07,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:50:07,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:50:07,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:50:07,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:50:07,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:07,483 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:50:07,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 21:50:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:07,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:50:07,593 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:50:07,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:50:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1865494232, now seen corresponding path program 1 times [2021-03-12 21:50:07,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:50:07,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623974556] [2021-03-12 21:50:07,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:50:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:50:07,674 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 21:50:07,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623974556] [2021-03-12 21:50:07,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:50:07,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:50:07,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221770235] [2021-03-12 21:50:07,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:50:07,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:50:07,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:50:07,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:50:07,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:07,676 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:50:07,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 21:50:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:07,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:50:07,713 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:50:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:50:07,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1722793312, now seen corresponding path program 1 times [2021-03-12 21:50:07,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:50:07,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418032638] [2021-03-12 21:50:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:50:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:50:07,829 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 21:50:07,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418032638] [2021-03-12 21:50:07,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:50:07,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:50:07,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396856936] [2021-03-12 21:50:07,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:50:07,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:50:07,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:50:07,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:50:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:07,832 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:50:07,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 21:50:07,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:07,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:07,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:50:08,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:50:08,123 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:50:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:50:08,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1721781616, now seen corresponding path program 1 times [2021-03-12 21:50:08,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:50:08,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449190741] [2021-03-12 21:50:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:50:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:50:08,233 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 21:50:08,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449190741] [2021-03-12 21:50:08,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:50:08,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:50:08,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38873637] [2021-03-12 21:50:08,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:50:08,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:50:08,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:50:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:50:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:08,236 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:50:08,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 21:50:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:50:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:08,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:50:08,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:08,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:50:08,292 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:50:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:50:08,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1402123622, now seen corresponding path program 2 times [2021-03-12 21:50:08,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:50:08,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77501963] [2021-03-12 21:50:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:50:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:50:08,374 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 21:50:08,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77501963] [2021-03-12 21:50:08,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:50:08,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:50:08,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699359749] [2021-03-12 21:50:08,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:50:08,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:50:08,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:50:08,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:50:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:08,377 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:50:08,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 21:50:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:50:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:50:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:50:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:50:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:50:08,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:50:08,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:50:08 BasicIcfg [2021-03-12 21:50:08,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:50:08,450 INFO L168 Benchmark]: Toolchain (without parser) took 5094.28 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 307.4 MB in the beginning and 349.3 MB in the end (delta: -41.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,450 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 325.6 MB in the beginning and 325.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:50:08,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.62 ms. Allocated memory is still 343.9 MB. Free memory was 306.8 MB in the beginning and 307.1 MB in the end (delta: -259.4 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.07 ms. Allocated memory is still 343.9 MB. Free memory was 307.1 MB in the beginning and 304.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,451 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 343.9 MB. Free memory was 304.4 MB in the beginning and 302.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,452 INFO L168 Benchmark]: RCFGBuilder took 377.52 ms. Allocated memory is still 343.9 MB. Free memory was 302.9 MB in the beginning and 278.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,452 INFO L168 Benchmark]: TraceAbstraction took 4135.85 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 278.8 MB in the beginning and 349.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 723.3 kB. Max. memory is 16.0 GB. [2021-03-12 21:50:08,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 325.6 MB in the beginning and 325.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 479.62 ms. Allocated memory is still 343.9 MB. Free memory was 306.8 MB in the beginning and 307.1 MB in the end (delta: -259.4 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.07 ms. Allocated memory is still 343.9 MB. Free memory was 307.1 MB in the beginning and 304.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 343.9 MB. Free memory was 304.4 MB in the beginning and 302.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 377.52 ms. Allocated memory is still 343.9 MB. Free memory was 302.9 MB in the beginning and 278.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4135.85 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 278.8 MB in the beginning and 349.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 723.3 kB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2754.3ms, 84 PlacesBefore, 31 PlacesAfterwards, 76 TransitionsBefore, 21 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 65 TotalNumberOfCompositions, 2609 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1339, positive: 1245, positive conditional: 0, positive unconditional: 1245, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 871, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 31, negative conditional: 0, negative unconditional: 31, 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: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1339, positive: 405, positive conditional: 0, positive unconditional: 405, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 49, Positive conditional cache size: 0, Positive unconditional cache size: 49, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3257, positive: 2801, positive conditional: 2801, positive unconditional: 0, negative: 456, negative conditional: 456, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2873, positive: 2801, positive conditional: 2801, positive unconditional: 0, negative: 72, negative conditional: 72, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2873, positive: 2138, positive conditional: 0, positive unconditional: 2138, negative: 735, negative conditional: 0, negative unconditional: 735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2873, positive: 2067, positive conditional: 0, positive unconditional: 2067, negative: 720, negative conditional: 0, negative unconditional: 720, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1085, positive: 639, positive conditional: 639, positive unconditional: 0, negative: 419, negative conditional: 91, negative unconditional: 328, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 328, SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1085, positive: 639, positive conditional: 639, positive unconditional: 0, negative: 419, negative conditional: 91, negative unconditional: 328, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 328, SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1085, positive: 639, positive conditional: 639, positive unconditional: 0, negative: 419, negative conditional: 91, negative unconditional: 328, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 328, SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1085, positive: 639, positive conditional: 639, positive unconditional: 0, negative: 419, negative conditional: 91, negative unconditional: 328, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 328, SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 663, positive conditional: 663, positive unconditional: 0, negative: 422, negative conditional: 94, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 170, positive conditional: 138, positive unconditional: 32, negative: 76, negative conditional: 10, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1085, positive: 639, positive conditional: 639, positive unconditional: 0, negative: 419, negative conditional: 91, negative unconditional: 328, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 95, Positive conditional cache size: 24, Positive unconditional cache size: 71, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 328 ], Maximal queried relation: 5, Independence queries for same thread: 384 - 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: 4052.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2778.9ms, PartialOrderReductionTime: 588.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.8ms SsaConstructionTime, 144.9ms SatisfiabilityAnalysisTime, 338.6ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...