/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/safe025_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:05:54,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:05:54,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:05:54,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 14:05:54,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 14:05:54,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 14:05:54,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 14:05:54,979 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 14:05:55,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:05:55,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:05:55,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:05:55,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:05:55,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:05:55,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:05:55,016 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:05:55,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:05:55,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:05:55,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:05:55,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:05:55,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:05:55,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:05:55,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:05:55,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:05:55,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:05:55,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:05:55,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:05:55,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:05:55,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:05:55,020 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:05:55,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:05:55,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:05:55,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:05:55,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:05:55,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:05:55,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 14:05:55,366 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 14:05:55,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i [2021-06-06 14:05:55,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5336a98ef/8bd754cd27fa4dc489466045580025cc/FLAGfddcc9345 [2021-06-06 14:05:55,920 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 14:05:55,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_tso.oepc.i [2021-06-06 14:05:55,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5336a98ef/8bd754cd27fa4dc489466045580025cc/FLAGfddcc9345 [2021-06-06 14:05:56,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5336a98ef/8bd754cd27fa4dc489466045580025cc [2021-06-06 14:05:56,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:05:56,246 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 14:05:56,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 14:05:56,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 14:05:56,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 14:05:56,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694bf76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56, skipping insertion in model container [2021-06-06 14:05:56,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 14:05:56,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 14:05:56,461 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/safe025_tso.oepc.i[950,963] [2021-06-06 14:05:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:05:56,622 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 14:05:56,632 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/safe025_tso.oepc.i[950,963] [2021-06-06 14:05:56,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:05:56,736 INFO L208 MainTranslator]: Completed translation [2021-06-06 14:05:56,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56 WrapperNode [2021-06-06 14:05:56,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 14:05:56,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:05:56,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:05:56,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:05:56,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:05:56,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:05:56,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:05:56,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:05:56,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (1/1) ... [2021-06-06 14:05:56,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:05:56,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:05:56,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:05:56,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:05:56,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (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 14:05:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 14:05:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 14:05:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 14:05:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 14:05:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 14:05:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 14:05:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 14:05:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 14:05:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 14:05:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 14:05:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 14:05:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 14:05:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:05:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:05:56,890 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 14:05:57,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:05:57,265 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 14:05:57,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:05:57 BoogieIcfgContainer [2021-06-06 14:05:57,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:05:57,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:05:57,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:05:57,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:05:57,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:05:56" (1/3) ... [2021-06-06 14:05:57,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23611469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:05:57, skipping insertion in model container [2021-06-06 14:05:57,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:05:56" (2/3) ... [2021-06-06 14:05:57,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23611469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:05:57, skipping insertion in model container [2021-06-06 14:05:57,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:05:57" (3/3) ... [2021-06-06 14:05:57,272 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_tso.oepc.i [2021-06-06 14:05:57,277 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 14:05:57,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:05:57,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 14:05:57,278 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 14:05:57,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,303 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,306 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:05:57,318 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 14:05:57,340 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 14:05:57,397 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:05:57,397 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 14:05:57,397 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:05:57,398 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:05:57,398 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:05:57,398 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:05:57,398 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:05:57,398 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:05:57,485 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:05:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:05:57,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1060369321, now seen corresponding path program 1 times [2021-06-06 14:05:57,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:05:57,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696984002] [2021-06-06 14:05:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:05:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:05:57,986 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 14:05:57,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:05:57,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696984002] [2021-06-06 14:05:57,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696984002] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:05:57,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:05:57,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:05:57,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084054466] [2021-06-06 14:05:57,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:05:57,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:05:58,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:05:58,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:05:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:58,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:05:58,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 14:05:58,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:58,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:05:58,204 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:05:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:05:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 693866859, now seen corresponding path program 2 times [2021-06-06 14:05:58,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:05:58,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354545878] [2021-06-06 14:05:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:05:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:05:58,417 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 14:05:58,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:05:58,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354545878] [2021-06-06 14:05:58,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354545878] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:05:58,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:05:58,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:05:58,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021747137] [2021-06-06 14:05:58,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:05:58,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:05:58,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:05:58,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:05:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:58,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:05:58,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 14:05:58,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:58,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:05:59,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 14:05:59,038 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:05:59,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:05:59,039 INFO L82 PathProgramCache]: Analyzing trace with hash -698043117, now seen corresponding path program 3 times [2021-06-06 14:05:59,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:05:59,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50897038] [2021-06-06 14:05:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:05:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:05:59,194 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 14:05:59,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:05:59,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50897038] [2021-06-06 14:05:59,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50897038] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:05:59,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:05:59,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:05:59,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806722630] [2021-06-06 14:05:59,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:05:59,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:05:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:05:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:05:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:59,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:05:59,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 14:05:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:05:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:05:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 14:05:59,755 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:05:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:05:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash 485003139, now seen corresponding path program 4 times [2021-06-06 14:05:59,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:05:59,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037558978] [2021-06-06 14:05:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:05:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:05:59,899 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 14:05:59,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:05:59,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037558978] [2021-06-06 14:05:59,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037558978] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:05:59,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:05:59,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:05:59,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711739952] [2021-06-06 14:05:59,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:05:59,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:05:59,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:05:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:05:59,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:05:59,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:05:59,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 14:05:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:05:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:05:59,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:00,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 14:06:00,449 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:06:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:06:00,450 INFO L82 PathProgramCache]: Analyzing trace with hash 614046469, now seen corresponding path program 5 times [2021-06-06 14:06:00,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:06:00,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508074051] [2021-06-06 14:06:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:06:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:06:00,536 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 14:06:00,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:06:00,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508074051] [2021-06-06 14:06:00,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508074051] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:06:00,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:06:00,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:06:00,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24166976] [2021-06-06 14:06:00,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:06:00,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:06:00,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:06:00,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:06:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:00,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:06:00,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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 14:06:00,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:00,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:00,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:00,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:00,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:01,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 14:06:01,314 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 14:06:01,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:06:01 BasicIcfg [2021-06-06 14:06:01,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 14:06:01,317 INFO L168 Benchmark]: Toolchain (without parser) took 5071.45 ms. Allocated memory was 400.6 MB in the beginning and 482.3 MB in the end (delta: 81.8 MB). Free memory was 363.4 MB in the beginning and 326.7 MB in the end (delta: 36.8 MB). Peak memory consumption was 267.4 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:01,318 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 400.6 MB. Free memory was 381.3 MB in the beginning and 381.2 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:06:01,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.58 ms. Allocated memory is still 400.6 MB. Free memory was 363.2 MB in the beginning and 361.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:01,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 400.6 MB. Free memory was 361.2 MB in the beginning and 359.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:01,319 INFO L168 Benchmark]: Boogie Preprocessor took 19.16 ms. Allocated memory is still 400.6 MB. Free memory was 359.1 MB in the beginning and 358.2 MB in the end (delta: 925.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:06:01,319 INFO L168 Benchmark]: RCFGBuilder took 476.02 ms. Allocated memory is still 400.6 MB. Free memory was 358.2 MB in the beginning and 333.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:01,319 INFO L168 Benchmark]: TraceAbstraction took 4048.28 ms. Allocated memory was 400.6 MB in the beginning and 482.3 MB in the end (delta: 81.8 MB). Free memory was 333.1 MB in the beginning and 326.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 236.8 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:01,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 400.6 MB. Free memory was 381.3 MB in the beginning and 381.2 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 489.58 ms. Allocated memory is still 400.6 MB. Free memory was 363.2 MB in the beginning and 361.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 400.6 MB. Free memory was 361.2 MB in the beginning and 359.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.16 ms. Allocated memory is still 400.6 MB. Free memory was 359.1 MB in the beginning and 358.2 MB in the end (delta: 925.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 476.02 ms. Allocated memory is still 400.6 MB. Free memory was 358.2 MB in the beginning and 333.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4048.28 ms. Allocated memory was 400.6 MB in the beginning and 482.3 MB in the end (delta: 81.8 MB). Free memory was 333.1 MB in the beginning and 326.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 236.8 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: 103541, positive: 98818, positive conditional: 98818, positive unconditional: 0, negative: 4723, negative conditional: 4723, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 99490, positive: 98818, positive conditional: 98818, positive unconditional: 0, negative: 672, negative conditional: 672, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 99490, positive: 97968, positive conditional: 0, positive unconditional: 97968, negative: 1522, negative conditional: 0, negative unconditional: 1522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 656, positive: 644, positive conditional: 0, positive unconditional: 644, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 656, positive: 638, positive conditional: 0, positive unconditional: 638, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99490, positive: 97324, positive conditional: 0, positive unconditional: 97324, negative: 1510, negative conditional: 0, negative unconditional: 1510, unknown: 656, unknown conditional: 0, unknown unconditional: 656] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4377, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 3514, negative conditional: 455, negative unconditional: 3059, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, Eliminated conditions: 3059, SemanticConditionEliminator.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4377, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 3514, negative conditional: 455, negative unconditional: 3059, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, Eliminated conditions: 3059, SemanticConditionEliminator.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4377, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 3514, negative conditional: 455, negative unconditional: 3059, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, Eliminated conditions: 3059, SemanticConditionEliminator.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4377, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 3514, negative conditional: 455, negative unconditional: 3059, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, Eliminated conditions: 3059, SemanticConditionEliminator.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4377, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 3527, negative conditional: 468, negative unconditional: 3059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 25, negative conditional: 13, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 27, positive conditional: 14, positive unconditional: 13, negative: 86, negative conditional: 34, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4377, positive: 840, positive conditional: 840, positive unconditional: 0, negative: 3514, negative conditional: 455, negative unconditional: 3059, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 654, Positive conditional cache size: 10, Positive unconditional cache size: 644, Negative cache size: 25, Negative conditional cache size: 13, Negative unconditional cache size: 12, Eliminated conditions: 3059 ], Maximal queried relation: 5, Independence queries for same thread: 4051 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3959.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 2743.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 35.1ms SsaConstructionTime, 214.4ms SatisfiabilityAnalysisTime, 717.7ms InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 849 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...