/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/safe000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 07:39:55,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 07:39:55,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 07:39:55,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 07:39:55,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 07:39:55,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 07:39:55,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 07:39:55,755 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 [2021-07-10 07:39:55,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 07:39:55,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 07:39:55,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 07:39:55,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 07:39:55,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 07:39:55,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 07:39:55,816 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 07:39:55,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 07:39:55,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 07:39:55,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 07:39:55,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 07:39:55,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 07:39:55,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 07:39:55,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 07:39:55,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 07:39:55,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 07:39:55,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 07:39:55,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:39:55,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 07:39:55,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 07:39:55,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 07:39:55,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 07:39:55,821 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 07:39:55,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 07:39:56,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 07:39:56,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 07:39:56,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 07:39:56,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 07:39:56,155 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 07:39:56,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2021-07-10 07:39:56,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eebb548e/b8f2a502697946739bd19a6e177683b9/FLAGafa49a507 [2021-07-10 07:39:56,796 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 07:39:56,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc.i [2021-07-10 07:39:56,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eebb548e/b8f2a502697946739bd19a6e177683b9/FLAGafa49a507 [2021-07-10 07:39:57,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eebb548e/b8f2a502697946739bd19a6e177683b9 [2021-07-10 07:39:57,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 07:39:57,202 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 07:39:57,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 07:39:57,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 07:39:57,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 07:39:57,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcf3c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57, skipping insertion in model container [2021-07-10 07:39:57,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 07:39:57,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 07:39:57,368 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/safe000_pso.oepc.i[950,963] [2021-07-10 07:39:57,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:39:57,576 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 07:39:57,588 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/safe000_pso.oepc.i[950,963] [2021-07-10 07:39:57,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:39:57,677 INFO L208 MainTranslator]: Completed translation [2021-07-10 07:39:57,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57 WrapperNode [2021-07-10 07:39:57,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 07:39:57,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 07:39:57,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 07:39:57,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 07:39:57,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 07:39:57,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 07:39:57,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 07:39:57,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 07:39:57,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (1/1) ... [2021-07-10 07:39:57,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 07:39:57,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 07:39:57,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 07:39:57,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 07:39:57,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (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 [2021-07-10 07:39:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 07:39:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 07:39:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 07:39:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 07:39:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 07:39:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 07:39:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 07:39:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 07:39:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-10 07:39:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-10 07:39:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 07:39:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 07:39:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 07:39:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 07:39:57,843 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 07:39:58,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 07:39:58,274 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 07:39:58,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:39:58 BoogieIcfgContainer [2021-07-10 07:39:58,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 07:39:58,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 07:39:58,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 07:39:58,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 07:39:58,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:39:57" (1/3) ... [2021-07-10 07:39:58,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9ec412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:39:58, skipping insertion in model container [2021-07-10 07:39:58,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:39:57" (2/3) ... [2021-07-10 07:39:58,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9ec412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:39:58, skipping insertion in model container [2021-07-10 07:39:58,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:39:58" (3/3) ... [2021-07-10 07:39:58,286 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc.i [2021-07-10 07:39:58,291 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 07:39:58,291 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 07:39:58,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 07:39:58,292 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 07:39:58,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,330 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,330 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,351 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,351 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:39:58,356 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:39:58,377 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 [2021-07-10 07:39:58,431 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:39:58,431 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:39:58,431 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:39:58,432 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:39:58,432 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:39:58,432 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:39:58,432 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:39:58,432 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 07:39:58,639 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:39:58,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:39:58,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2057913459, now seen corresponding path program 1 times [2021-07-10 07:39:58,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:39:58,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154385838] [2021-07-10 07:39:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:39:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:39:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:39:58,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:39:58,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154385838] [2021-07-10 07:39:58,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154385838] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:39:58,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:39:58,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:39:58,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826498628] [2021-07-10 07:39:58,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:39:58,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:39:58,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:39:58,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:39:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:58,888 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:39:58,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 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) [2021-07-10 07:39:58,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:58,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 07:39:58,903 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:39:58,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:39:58,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1838820046, now seen corresponding path program 1 times [2021-07-10 07:39:58,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:39:58,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52318905] [2021-07-10 07:39:58,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:39:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:39:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:39:59,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:39:59,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52318905] [2021-07-10 07:39:59,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52318905] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:39:59,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:39:59,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 07:39:59,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326895944] [2021-07-10 07:39:59,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 07:39:59,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:39:59,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 07:39:59,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-10 07:39:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,190 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:39:59,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-07-10 07:39:59,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 07:39:59,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 07:39:59,528 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:39:59,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:39:59,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1114807264, now seen corresponding path program 1 times [2021-07-10 07:39:59,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:39:59,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270425854] [2021-07-10 07:39:59,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:39:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:39:59,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:39:59,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:39:59,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270425854] [2021-07-10 07:39:59,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270425854] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:39:59,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:39:59,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 07:39:59,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453456530] [2021-07-10 07:39:59,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 07:39:59,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:39:59,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 07:39:59,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-10 07:39:59,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:39:59,763 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) [2021-07-10 07:39:59,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 07:39:59,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:39:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:39:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:39:59,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 07:39:59,983 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:39:59,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:39:59,984 INFO L82 PathProgramCache]: Analyzing trace with hash 84966800, now seen corresponding path program 1 times [2021-07-10 07:39:59,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:39:59,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679139086] [2021-07-10 07:39:59,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:40:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:40:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:40:00,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:40:00,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679139086] [2021-07-10 07:40:00,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679139086] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:40:00,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:40:00,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 07:40:00,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331399208] [2021-07-10 07:40:00,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 07:40:00,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:40:00,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 07:40:00,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 07:40:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:40:00,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:40:00,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-07-10 07:40:00,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:40:00,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:40:00,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:40:00,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:40:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:40:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:40:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 07:40:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 07:40:00,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 07:40:00,968 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 07:40:00,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:40:00 BasicIcfg [2021-07-10 07:40:00,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 07:40:00,970 INFO L168 Benchmark]: Toolchain (without parser) took 3769.07 ms. Allocated memory was 184.5 MB in the beginning and 229.6 MB in the end (delta: 45.1 MB). Free memory was 148.4 MB in the beginning and 124.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 126.6 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,971 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory was 166.7 MB in the beginning and 166.6 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 07:40:00,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.45 ms. Allocated memory is still 184.5 MB. Free memory was 148.2 MB in the beginning and 158.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 184.5 MB. Free memory was 158.3 MB in the beginning and 156.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,972 INFO L168 Benchmark]: Boogie Preprocessor took 20.16 ms. Allocated memory is still 184.5 MB. Free memory was 156.1 MB in the beginning and 154.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,972 INFO L168 Benchmark]: RCFGBuilder took 513.44 ms. Allocated memory is still 184.5 MB. Free memory was 154.9 MB in the beginning and 131.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,972 INFO L168 Benchmark]: TraceAbstraction took 2689.63 ms. Allocated memory was 184.5 MB in the beginning and 229.6 MB in the end (delta: 45.1 MB). Free memory was 130.8 MB in the beginning and 124.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 109.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:40:00,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory was 166.7 MB in the beginning and 166.6 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 474.45 ms. Allocated memory is still 184.5 MB. Free memory was 148.2 MB in the beginning and 158.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 184.5 MB. Free memory was 158.3 MB in the beginning and 156.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.16 ms. Allocated memory is still 184.5 MB. Free memory was 156.1 MB in the beginning and 154.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 513.44 ms. Allocated memory is still 184.5 MB. Free memory was 154.9 MB in the beginning and 131.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2689.63 ms. Allocated memory was 184.5 MB in the beginning and 229.6 MB in the end (delta: 45.1 MB). Free memory was 130.8 MB in the beginning and 124.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 109.1 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: 20209, positive: 19466, positive conditional: 14483, positive unconditional: 4983, negative: 743, negative conditional: 682, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 20019, positive: 19466, positive conditional: 14483, positive unconditional: 4983, negative: 553, negative conditional: 492, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 20019, positive: 19220, positive conditional: 0, positive unconditional: 19220, negative: 799, negative conditional: 0, negative unconditional: 799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1163, positive conditional: 0, positive unconditional: 1163, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20019, positive: 18051, positive conditional: 0, positive unconditional: 18051, negative: 771, negative conditional: 0, negative unconditional: 771, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785 ], Maximal queried relation: 4, Independence queries for same thread: 190 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 276, Number of persistent set computation: 992, Number of trivial persistent sets: 107, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20209, positive: 19466, positive conditional: 14483, positive unconditional: 4983, negative: 743, negative conditional: 682, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 20019, positive: 19466, positive conditional: 14483, positive unconditional: 4983, negative: 553, negative conditional: 492, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 20019, positive: 19220, positive conditional: 0, positive unconditional: 19220, negative: 799, negative conditional: 0, negative unconditional: 799, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1197, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1197, positive: 1163, positive conditional: 0, positive unconditional: 1163, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20019, positive: 18051, positive conditional: 0, positive unconditional: 18051, negative: 771, negative conditional: 0, negative unconditional: 771, unknown: 1197, unknown conditional: 0, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785, SemanticConditionEliminator.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2312, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 2066, negative conditional: 237, negative unconditional: 1829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 30, positive unconditional: 6, negative: 60, negative conditional: 32, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 83, positive conditional: 69, positive unconditional: 15, negative: 154, negative conditional: 53, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2312, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 2034, negative conditional: 205, negative unconditional: 1829, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1199, Positive conditional cache size: 30, Positive unconditional cache size: 1169, Negative cache size: 60, Negative conditional cache size: 32, Negative unconditional cache size: 28, Eliminated conditions: 1785 ], Maximal queried relation: 4, Independence queries for same thread: 190 - 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: 2576.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.5ms, PartialOrderReductionTime: 1625.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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: 17.2ms SsaConstructionTime, 128.4ms SatisfiabilityAnalysisTime, 572.0ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 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...