/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:01:43,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:01:43,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:01:43,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 14:01:43,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 14:01:43,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 14:01:43,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 14:01:43,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 14:01:43,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:01:43,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:01:43,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:01:43,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:01:43,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:01:43,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:01:43,715 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:01:43,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:01:43,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:01:43,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:01:43,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:01:43,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:01:43,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:01:43,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:01:43,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:01:43,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:01:43,719 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:01:43,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:01:44,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:01:44,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:01:44,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 14:01:44,022 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 14:01:44,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-06 14:01:44,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c2e5ee/7ff7c17c771445749dec76468cd02812/FLAGb3869ef41 [2021-06-06 14:01:44,532 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 14:01:44,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i [2021-06-06 14:01:44,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c2e5ee/7ff7c17c771445749dec76468cd02812/FLAGb3869ef41 [2021-06-06 14:01:44,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c2e5ee/7ff7c17c771445749dec76468cd02812 [2021-06-06 14:01:44,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:01:44,560 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 14:01:44,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 14:01:44,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 14:01:44,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 14:01:44,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:01:44" (1/1) ... [2021-06-06 14:01:44,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:44, skipping insertion in model container [2021-06-06 14:01:44,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:01:44" (1/1) ... [2021-06-06 14:01:44,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 14:01:44,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 14:01:44,826 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i[949,962] [2021-06-06 14:01:44,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:01:45,000 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 14:01:45,010 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i[949,962] [2021-06-06 14:01:45,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:01:45,127 INFO L208 MainTranslator]: Completed translation [2021-06-06 14:01:45,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45 WrapperNode [2021-06-06 14:01:45,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 14:01:45,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:01:45,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:01:45,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:01:45,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:01:45,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:01:45,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:01:45,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:01:45,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (1/1) ... [2021-06-06 14:01:45,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:01:45,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:01:45,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:01:45,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:01:45,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (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 [2021-06-06 14:01:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 14:01:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 14:01:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 14:01:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 14:01:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 14:01:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 14:01:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:01:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:01:45,307 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 14:01:45,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:01:45,655 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 14:01:45,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:01:45 BoogieIcfgContainer [2021-06-06 14:01:45,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:01:45,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:01:45,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:01:45,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:01:45,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:01:44" (1/3) ... [2021-06-06 14:01:45,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5c7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:01:45, skipping insertion in model container [2021-06-06 14:01:45,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:01:45" (2/3) ... [2021-06-06 14:01:45,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5c7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:01:45, skipping insertion in model container [2021-06-06 14:01:45,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:01:45" (3/3) ... [2021-06-06 14:01:45,663 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt.i [2021-06-06 14:01:45,669 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 14:01:45,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:01:45,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 14:01:45,670 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 14:01:45,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,702 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,702 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,704 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,717 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,717 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,717 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,720 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,721 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,728 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,728 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:01:45,732 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 14:01:45,749 INFO L255 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 [2021-06-06 14:01:45,787 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:01:45,787 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 14:01:45,787 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:01:45,787 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:01:45,788 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:01:45,788 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:01:45,788 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:01:45,788 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:01:45,842 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:01:45,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:01:45,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1615431792, now seen corresponding path program 1 times [2021-06-06 14:01:45,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:01:45,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106206860] [2021-06-06 14:01:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:01:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:01:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:01:46,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:01:46,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106206860] [2021-06-06 14:01:46,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106206860] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:01:46,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:01:46,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 14:01:46,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422105266] [2021-06-06 14:01:46,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 14:01:46,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:01:46,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 14:01:46,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 14:01:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:46,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:01:46,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2021-06-06 14:01:46,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:46,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:01:46,433 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:01:46,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:01:46,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1493371586, now seen corresponding path program 2 times [2021-06-06 14:01:46,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:01:46,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465354351] [2021-06-06 14:01:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:01:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:01:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:01:46,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:01:46,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465354351] [2021-06-06 14:01:46,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465354351] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:01:46,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:01:46,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:01:46,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584388717] [2021-06-06 14:01:46,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:01:46,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:01:46,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:01:46,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:01:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:46,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:01:46,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-06-06 14:01:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:46,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:47,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 14:01:47,403 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:01:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:01:47,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1240637644, now seen corresponding path program 3 times [2021-06-06 14:01:47,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:01:47,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703420842] [2021-06-06 14:01:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:01:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:01:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:01:47,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:01:47,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703420842] [2021-06-06 14:01:47,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703420842] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:01:47,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:01:47,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:01:47,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038441705] [2021-06-06 14:01:47,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:01:47,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:01:47,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:01:47,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:01:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:47,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:01:47,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-06-06 14:01:47,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:47,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:47,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:01:48,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 14:01:48,228 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:01:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:01:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash -899974692, now seen corresponding path program 4 times [2021-06-06 14:01:48,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:01:48,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621937296] [2021-06-06 14:01:48,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:01:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:01:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:01:48,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:01:48,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621937296] [2021-06-06 14:01:48,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621937296] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:01:48,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:01:48,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:01:48,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943898810] [2021-06-06 14:01:48,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:01:48,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:01:48,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:01:48,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:01:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:48,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:01:48,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-06-06 14:01:48,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:48,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:48,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:01:48,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:49,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:01:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:01:49,203 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 14:01:49,203 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:01:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:01:49,205 INFO L82 PathProgramCache]: Analyzing trace with hash -764282578, now seen corresponding path program 5 times [2021-06-06 14:01:49,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:01:49,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984615699] [2021-06-06 14:01:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:01:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:01:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:01:49,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:01:49,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984615699] [2021-06-06 14:01:49,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984615699] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:01:49,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:01:49,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:01:49,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380367272] [2021-06-06 14:01:49,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:01:49,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:01:49,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:01:49,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:01:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:49,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:01:49,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-06-06 14:01:49,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:49,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:49,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:01:49,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:01:49,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:01:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:01:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:01:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:01:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:01:50,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 14:01:50,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 14:01:50,246 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 14:01:50,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:01:50 BasicIcfg [2021-06-06 14:01:50,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 14:01:50,251 INFO L168 Benchmark]: Toolchain (without parser) took 5688.28 ms. Allocated memory was 337.6 MB in the beginning and 434.1 MB in the end (delta: 96.5 MB). Free memory was 299.6 MB in the beginning and 173.1 MB in the end (delta: 126.5 MB). Peak memory consumption was 223.8 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,251 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 337.6 MB. Free memory is still 318.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:01:50,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.09 ms. Allocated memory is still 337.6 MB. Free memory was 299.4 MB in the beginning and 299.0 MB in the end (delta: 400.3 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 337.6 MB. Free memory was 299.0 MB in the beginning and 296.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,252 INFO L168 Benchmark]: Boogie Preprocessor took 33.79 ms. Allocated memory is still 337.6 MB. Free memory was 296.9 MB in the beginning and 295.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,252 INFO L168 Benchmark]: RCFGBuilder took 433.38 ms. Allocated memory is still 337.6 MB. Free memory was 295.2 MB in the beginning and 271.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,253 INFO L168 Benchmark]: TraceAbstraction took 4589.12 ms. Allocated memory was 337.6 MB in the beginning and 434.1 MB in the end (delta: 96.5 MB). Free memory was 270.9 MB in the beginning and 173.1 MB in the end (delta: 97.8 MB). Peak memory consumption was 195.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:01:50,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 337.6 MB. Free memory is still 318.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 567.09 ms. Allocated memory is still 337.6 MB. Free memory was 299.4 MB in the beginning and 299.0 MB in the end (delta: 400.3 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 337.6 MB. Free memory was 299.0 MB in the beginning and 296.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.79 ms. Allocated memory is still 337.6 MB. Free memory was 296.9 MB in the beginning and 295.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 433.38 ms. Allocated memory is still 337.6 MB. Free memory was 295.2 MB in the beginning and 271.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4589.12 ms. Allocated memory was 337.6 MB in the beginning and 434.1 MB in the end (delta: 96.5 MB). Free memory was 270.9 MB in the beginning and 173.1 MB in the end (delta: 97.8 MB). Peak memory consumption was 195.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100482, positive: 96938, positive conditional: 96938, positive unconditional: 0, negative: 3544, negative conditional: 3544, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97641, positive: 96938, positive conditional: 96938, positive unconditional: 0, negative: 703, negative conditional: 703, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97641, positive: 96268, positive conditional: 0, positive unconditional: 96268, negative: 1373, negative conditional: 0, negative unconditional: 1373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 734, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 734, positive: 714, positive conditional: 0, positive unconditional: 714, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97641, positive: 95548, positive conditional: 0, positive unconditional: 95548, negative: 1359, negative conditional: 0, negative unconditional: 1359, unknown: 734, unknown conditional: 0, unknown unconditional: 734] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4170, positive: 659, positive conditional: 659, positive unconditional: 0, negative: 3481, negative conditional: 552, negative unconditional: 2929, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, Eliminated conditions: 2929, SemanticConditionEliminator.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4170, positive: 659, positive conditional: 659, positive unconditional: 0, negative: 3481, negative conditional: 552, negative unconditional: 2929, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, Eliminated conditions: 2929, SemanticConditionEliminator.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4170, positive: 659, positive conditional: 659, positive unconditional: 0, negative: 3481, negative conditional: 552, negative unconditional: 2929, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, Eliminated conditions: 2929, SemanticConditionEliminator.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4170, positive: 659, positive conditional: 659, positive unconditional: 0, negative: 3481, negative conditional: 552, negative unconditional: 2929, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, Eliminated conditions: 2929, SemanticConditionEliminator.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4170, positive: 670, positive conditional: 670, positive unconditional: 0, negative: 3500, negative conditional: 571, negative unconditional: 2929, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 33, negative conditional: 19, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 48, positive conditional: 28, positive unconditional: 20, negative: 79, negative conditional: 27, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4170, positive: 659, positive conditional: 659, positive unconditional: 0, negative: 3481, negative conditional: 552, negative unconditional: 2929, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 764, Positive cache size: 731, Positive conditional cache size: 11, Positive unconditional cache size: 720, Negative cache size: 33, Negative conditional cache size: 19, Negative unconditional cache size: 14, Eliminated conditions: 2929 ], Maximal queried relation: 5, Independence queries for same thread: 2841 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4482.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 3185.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 33.1ms SsaConstructionTime, 192.1ms SatisfiabilityAnalysisTime, 828.8ms InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...