/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 12:20:34,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 12:20:34,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 12:20:34,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 12:20:34,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 12:20:34,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 12:20:34,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 12:20:34,351 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 12:20:34,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 12:20:34,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 12:20:34,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 12:20:34,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 12:20:34,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 12:20:34,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 12:20:34,400 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 12:20:34,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 12:20:34,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 12:20:34,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 12:20:34,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 12:20:34,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 12:20:34,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 12:20:34,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 12:20:34,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 12:20:34,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 12:20:34,404 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 12:20:34,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 12:20:34,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 12:20:34,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 12:20:34,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 12:20:34,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 12:20:34,750 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 12:20:34,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-07-14 12:20:34,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411597b3/307d5072785244ae9859b0f342030457/FLAGa5789a5de [2021-07-14 12:20:35,201 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 12:20:35,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-07-14 12:20:35,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411597b3/307d5072785244ae9859b0f342030457/FLAGa5789a5de [2021-07-14 12:20:35,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e411597b3/307d5072785244ae9859b0f342030457 [2021-07-14 12:20:35,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 12:20:35,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 12:20:35,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 12:20:35,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 12:20:35,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 12:20:35,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a0f27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35, skipping insertion in model container [2021-07-14 12:20:35,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 12:20:35,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 12:20:35,454 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/safe007_pso.oepc.i[950,963] [2021-07-14 12:20:35,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:20:35,599 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 12:20:35,609 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/safe007_pso.oepc.i[950,963] [2021-07-14 12:20:35,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 12:20:35,672 INFO L208 MainTranslator]: Completed translation [2021-07-14 12:20:35,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35 WrapperNode [2021-07-14 12:20:35,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 12:20:35,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 12:20:35,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 12:20:35,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 12:20:35,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 12:20:35,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 12:20:35,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 12:20:35,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 12:20:35,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (1/1) ... [2021-07-14 12:20:35,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 12:20:35,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 12:20:35,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 12:20:35,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 12:20:35,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (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 [2021-07-14 12:20:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 12:20:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 12:20:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 12:20:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 12:20:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 12:20:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 12:20:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 12:20:35,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 12:20:36,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 12:20:36,173 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 12:20:36,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:20:36 BoogieIcfgContainer [2021-07-14 12:20:36,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 12:20:36,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 12:20:36,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 12:20:36,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 12:20:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:20:35" (1/3) ... [2021-07-14 12:20:36,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475edcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:20:36, skipping insertion in model container [2021-07-14 12:20:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:20:35" (2/3) ... [2021-07-14 12:20:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475edcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:20:36, skipping insertion in model container [2021-07-14 12:20:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:20:36" (3/3) ... [2021-07-14 12:20:36,182 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-07-14 12:20:36,188 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 12:20:36,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 12:20:36,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 12:20:36,189 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,231 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,231 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,232 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,232 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,234 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,235 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,239 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,239 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 12:20:36,244 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 12:20:36,261 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 [2021-07-14 12:20:36,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 12:20:36,313 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 12:20:36,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 12:20:36,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 12:20:36,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 12:20:36,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 12:20:36,314 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 12:20:36,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 12:20:36,486 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:20:36,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:20:36,490 INFO L82 PathProgramCache]: Analyzing trace with hash 273983015, now seen corresponding path program 1 times [2021-07-14 12:20:36,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:20:36,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904714642] [2021-07-14 12:20:36,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:20:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:20:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:20:36,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:20:36,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904714642] [2021-07-14 12:20:36,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904714642] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:20:36,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:20:36,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 12:20:36,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801329167] [2021-07-14 12:20:36,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 12:20:36,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:20:36,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 12:20:36,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 12:20:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:36,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:20:36,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2021-07-14 12:20:36,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:36,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:36,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 12:20:36,683 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:20:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:20:36,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1587267229, now seen corresponding path program 1 times [2021-07-14 12:20:36,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:20:36,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729580247] [2021-07-14 12:20:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:20:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:20:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:20:36,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:20:36,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729580247] [2021-07-14 12:20:36,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729580247] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:20:36,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:20:36,927 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 12:20:36,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296620780] [2021-07-14 12:20:36,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:20:36,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:20:36,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:20:36,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:20:36,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:36,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:20:36,929 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-07-14 12:20:36,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:36,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 12:20:37,166 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:20:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:20:37,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1059000709, now seen corresponding path program 1 times [2021-07-14 12:20:37,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:20:37,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10279778] [2021-07-14 12:20:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:20:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:20:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:20:37,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:20:37,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10279778] [2021-07-14 12:20:37,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10279778] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:20:37,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:20:37,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 12:20:37,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354921809] [2021-07-14 12:20:37,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 12:20:37,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:20:37,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 12:20:37,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 12:20:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:20:37,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-07-14 12:20:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 12:20:37,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 12:20:37,412 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 12:20:37,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 12:20:37,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1686182981, now seen corresponding path program 1 times [2021-07-14 12:20:37,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 12:20:37,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406925738] [2021-07-14 12:20:37,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 12:20:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 12:20:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 12:20:37,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 12:20:37,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406925738] [2021-07-14 12:20:37,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406925738] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 12:20:37,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 12:20:37,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 12:20:37,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305741350] [2021-07-14 12:20:37,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 12:20:37,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 12:20:37,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 12:20:37,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 12:20:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 12:20:37,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-07-14 12:20:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 12:20:37,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 12:20:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 12:20:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 12:20:37,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 12:20:37,997 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 12:20:37,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:20:37 BasicIcfg [2021-07-14 12:20:37,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 12:20:37,999 INFO L168 Benchmark]: Toolchain (without parser) took 2754.70 ms. Allocated memory was 211.8 MB in the beginning and 278.9 MB in the end (delta: 67.1 MB). Free memory was 174.9 MB in the beginning and 191.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 151.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:37,999 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 211.8 MB. Free memory is still 192.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 12:20:37,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.92 ms. Allocated memory is still 211.8 MB. Free memory was 174.7 MB in the beginning and 184.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:38,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 211.8 MB. Free memory was 184.6 MB in the beginning and 182.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:38,000 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 ms. Allocated memory is still 211.8 MB. Free memory was 182.6 MB in the beginning and 181.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:38,000 INFO L168 Benchmark]: RCFGBuilder took 417.78 ms. Allocated memory is still 211.8 MB. Free memory was 181.5 MB in the beginning and 157.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:38,000 INFO L168 Benchmark]: TraceAbstraction took 1821.77 ms. Allocated memory was 211.8 MB in the beginning and 278.9 MB in the end (delta: 67.1 MB). Free memory was 157.4 MB in the beginning and 191.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 133.9 MB. Max. memory is 8.0 GB. [2021-07-14 12:20:38,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 211.8 MB. Free memory is still 192.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 412.92 ms. Allocated memory is still 211.8 MB. Free memory was 174.7 MB in the beginning and 184.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 211.8 MB. Free memory was 184.6 MB in the beginning and 182.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 211.8 MB. Free memory was 182.6 MB in the beginning and 181.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 417.78 ms. Allocated memory is still 211.8 MB. Free memory was 181.5 MB in the beginning and 157.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1821.77 ms. Allocated memory was 211.8 MB in the beginning and 278.9 MB in the end (delta: 67.1 MB). Free memory was 157.4 MB in the beginning and 191.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 133.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18233, positive: 17664, positive conditional: 12633, positive unconditional: 5031, negative: 569, negative conditional: 518, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18064, positive: 17664, positive conditional: 12633, positive unconditional: 5031, negative: 400, negative conditional: 349, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18064, positive: 17552, positive conditional: 0, positive unconditional: 17552, negative: 512, negative conditional: 0, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1177, positive conditional: 0, positive unconditional: 1177, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1171, positive conditional: 0, positive unconditional: 1171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18064, positive: 16375, positive conditional: 0, positive unconditional: 16375, negative: 492, negative conditional: 0, negative unconditional: 492, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286 ], Maximal queried relation: 4, Independence queries for same thread: 169 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 229, Number of persistent set computation: 984, Number of trivial persistent sets: 101, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18233, positive: 17664, positive conditional: 12633, positive unconditional: 5031, negative: 569, negative conditional: 518, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 18064, positive: 17664, positive conditional: 12633, positive unconditional: 5031, negative: 400, negative conditional: 349, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 18064, positive: 17552, positive conditional: 0, positive unconditional: 17552, negative: 512, negative conditional: 0, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1177, positive conditional: 0, positive unconditional: 1177, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1171, positive conditional: 0, positive unconditional: 1171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18064, positive: 16375, positive conditional: 0, positive unconditional: 16375, negative: 492, negative conditional: 0, negative unconditional: 492, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286, SemanticConditionEliminator.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1549, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 1437, negative conditional: 111, negative unconditional: 1326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 48, positive conditional: 19, positive unconditional: 29, negative: 118, negative conditional: 18, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1549, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 1421, negative conditional: 95, negative unconditional: 1326, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1224, Positive cache size: 1188, Positive conditional cache size: 11, Positive unconditional cache size: 1177, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 1286 ], Maximal queried relation: 4, Independence queries for same thread: 169 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1716.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 1003.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 11.2ms SsaConstructionTime, 108.7ms SatisfiabilityAnalysisTime, 412.7ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...