/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 08:40:38,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 08:40:38,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 08:40:38,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 08:40:38,504 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-17 08:40:38,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 08:40:38,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 08:40:38,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 08:40:38,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 08:40:38,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 08:40:38,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 08:40:38,535 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 08:40:38,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 08:40:38,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 08:40:38,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 08:40:38,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 08:40:38,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:40:38,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 08:40:38,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 08:40:38,538 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 08:40:38,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 08:40:38,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 08:40:38,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 08:40:38,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 08:40:38,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 08:40:38,822 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 08:40:38,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2021-06-17 08:40:38,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdbfcf77/79561dcf7bf448578ae1c092f13e6215/FLAG999e3f342 [2021-06-17 08:40:39,318 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 08:40:39,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2021-06-17 08:40:39,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdbfcf77/79561dcf7bf448578ae1c092f13e6215/FLAG999e3f342 [2021-06-17 08:40:39,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cdbfcf77/79561dcf7bf448578ae1c092f13e6215 [2021-06-17 08:40:39,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 08:40:39,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 08:40:39,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 08:40:39,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 08:40:39,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 08:40:39,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511315e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39, skipping insertion in model container [2021-06-17 08:40:39,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 08:40:39,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 08:40:39,549 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/safe031_tso.oepc.i[950,963] [2021-06-17 08:40:39,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:40:39,731 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 08:40:39,742 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/safe031_tso.oepc.i[950,963] [2021-06-17 08:40:39,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:40:39,823 INFO L208 MainTranslator]: Completed translation [2021-06-17 08:40:39,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39 WrapperNode [2021-06-17 08:40:39,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 08:40:39,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 08:40:39,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 08:40:39,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 08:40:39,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 08:40:39,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 08:40:39,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 08:40:39,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 08:40:39,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... [2021-06-17 08:40:39,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 08:40:39,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 08:40:39,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 08:40:39,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 08:40:39,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 08:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 08:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 08:40:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 08:40:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 08:40:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 08:40:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 08:40:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 08:40:39,952 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 08:40:40,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 08:40:40,209 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 08:40:40,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:40:40 BoogieIcfgContainer [2021-06-17 08:40:40,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 08:40:40,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 08:40:40,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 08:40:40,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 08:40:40,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 08:40:39" (1/3) ... [2021-06-17 08:40:40,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71470d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:40:40, skipping insertion in model container [2021-06-17 08:40:40,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:40:39" (2/3) ... [2021-06-17 08:40:40,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71470d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:40:40, skipping insertion in model container [2021-06-17 08:40:40,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:40:40" (3/3) ... [2021-06-17 08:40:40,216 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.oepc.i [2021-06-17 08:40:40,220 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 08:40:40,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 08:40:40,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 08:40:40,221 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 08:40:40,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,249 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,249 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,257 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,257 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:40:40,260 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 08:40:40,275 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 08:40:40,325 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:40:40,325 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:40:40,325 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:40:40,326 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:40:40,326 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:40:40,326 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:40:40,326 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:40:40,326 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 08:40:40,523 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:40,530 INFO L82 PathProgramCache]: Analyzing trace with hash -344388745, now seen corresponding path program 1 times [2021-06-17 08:40:40,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:40,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119526973] [2021-06-17 08:40:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:40:40,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:40,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119526973] [2021-06-17 08:40:40,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119526973] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:40,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:40,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 08:40:40,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496311782] [2021-06-17 08:40:40,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 08:40:40,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:40,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 08:40:40,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 08:40:40,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:40,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:40,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:40:40,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:40,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 08:40:40,761 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:40,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:40,763 INFO L82 PathProgramCache]: Analyzing trace with hash -423137406, now seen corresponding path program 1 times [2021-06-17 08:40:40,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:40,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169900071] [2021-06-17 08:40:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:40:40,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:40,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169900071] [2021-06-17 08:40:40,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169900071] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:40,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:40,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:40:40,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249528600] [2021-06-17 08:40:40,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:40:40,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:40,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:40:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:40:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:40,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:40,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:40:40,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:40,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:41,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:40:41,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 08:40:41,125 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1257419864, now seen corresponding path program 2 times [2021-06-17 08:40:41,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:41,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117130930] [2021-06-17 08:40:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:40:41,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:41,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117130930] [2021-06-17 08:40:41,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117130930] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:41,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:41,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 08:40:41,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391706052] [2021-06-17 08:40:41,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 08:40:41,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:41,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 08:40:41,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 08:40:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:41,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:41,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:40:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:40:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:40:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:42,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 08:40:42,072 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:40:42,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:40:42,073 INFO L82 PathProgramCache]: Analyzing trace with hash 99974962, now seen corresponding path program 3 times [2021-06-17 08:40:42,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:40:42,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358218845] [2021-06-17 08:40:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:40:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:40:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:40:42,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:40:42,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358218845] [2021-06-17 08:40:42,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358218845] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:40:42,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:40:42,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:40:42,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874928772] [2021-06-17 08:40:42,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:40:42,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:40:42,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:40:42,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:40:42,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:40:42,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:40:42,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:40:42,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:42,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:40:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:40:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 08:40:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:40:42,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 08:40:42,982 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 08:40:42,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 08:40:42 BasicIcfg [2021-06-17 08:40:42,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 08:40:42,985 INFO L168 Benchmark]: Toolchain (without parser) took 3629.45 ms. Allocated memory was 202.4 MB in the beginning and 376.4 MB in the end (delta: 174.1 MB). Free memory was 165.3 MB in the beginning and 311.9 MB in the end (delta: -146.6 MB). Peak memory consumption was 151.4 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,985 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 202.4 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 08:40:42,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.72 ms. Allocated memory is still 202.4 MB. Free memory was 165.1 MB in the beginning and 163.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.89 ms. Allocated memory is still 202.4 MB. Free memory was 163.8 MB in the beginning and 161.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,986 INFO L168 Benchmark]: Boogie Preprocessor took 22.21 ms. Allocated memory is still 202.4 MB. Free memory was 161.7 MB in the beginning and 160.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,986 INFO L168 Benchmark]: RCFGBuilder took 316.50 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 136.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,986 INFO L168 Benchmark]: TraceAbstraction took 2772.64 ms. Allocated memory was 202.4 MB in the beginning and 376.4 MB in the end (delta: 174.1 MB). Free memory was 136.0 MB in the beginning and 311.9 MB in the end (delta: -175.8 MB). Peak memory consumption was 123.5 MB. Max. memory is 8.0 GB. [2021-06-17 08:40:42,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 202.4 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 465.72 ms. Allocated memory is still 202.4 MB. Free memory was 165.1 MB in the beginning and 163.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.89 ms. Allocated memory is still 202.4 MB. Free memory was 163.8 MB in the beginning and 161.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.21 ms. Allocated memory is still 202.4 MB. Free memory was 161.7 MB in the beginning and 160.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 316.50 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 136.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2772.64 ms. Allocated memory was 202.4 MB in the beginning and 376.4 MB in the end (delta: 174.1 MB). Free memory was 136.0 MB in the beginning and 311.9 MB in the end (delta: -175.8 MB). Peak memory consumption was 123.5 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: 27876, positive: 26731, positive conditional: 20115, positive unconditional: 6616, negative: 1145, negative conditional: 1041, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 26939, positive: 26731, positive conditional: 20115, positive unconditional: 6616, negative: 208, negative conditional: 104, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 26939, positive: 26475, positive conditional: 0, positive unconditional: 26475, negative: 464, negative conditional: 0, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1057, positive: 1039, positive conditional: 0, positive unconditional: 1039, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1057, positive: 1033, positive conditional: 0, positive unconditional: 1033, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26939, positive: 25436, positive conditional: 0, positive unconditional: 25436, negative: 446, negative conditional: 0, negative unconditional: 446, unknown: 1057, unknown conditional: 0, unknown unconditional: 1057] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848 ], Maximal queried relation: 4, Independence queries for same thread: 937 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 888, Number of persistent set computation: 13455, Number of trivial persistent sets: 12287, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27876, positive: 26731, positive conditional: 20115, positive unconditional: 6616, negative: 1145, negative conditional: 1041, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 26939, positive: 26731, positive conditional: 20115, positive unconditional: 6616, negative: 208, negative conditional: 104, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 26939, positive: 26475, positive conditional: 0, positive unconditional: 26475, negative: 464, negative conditional: 0, negative unconditional: 464, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1057, positive: 1039, positive conditional: 0, positive unconditional: 1039, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1057, positive: 1033, positive conditional: 0, positive unconditional: 1033, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26939, positive: 25436, positive conditional: 0, positive unconditional: 25436, negative: 446, negative conditional: 0, negative unconditional: 446, unknown: 1057, unknown conditional: 0, unknown unconditional: 1057] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848, SemanticConditionEliminator.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1420, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 1164, negative conditional: 41, negative unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 32, positive conditional: 11, positive unconditional: 21, negative: 80, negative conditional: 6, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 1161, negative conditional: 38, negative unconditional: 1123, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1049, Positive conditional cache size: 10, Positive unconditional cache size: 1039, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Eliminated conditions: 848 ], Maximal queried relation: 4, Independence queries for same thread: 937 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2694.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 1956.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 21.5ms SsaConstructionTime, 130.4ms SatisfiabilityAnalysisTime, 359.7ms InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 716 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...