/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/safe020_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 18:31:14,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 18:31:14,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 18:31:14,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 18:31:14,236 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 [2021-06-14 18:31:14,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 18:31:14,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 18:31:14,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 18:31:14,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 18:31:14,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 18:31:14,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 18:31:14,274 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 18:31:14,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 18:31:14,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 18:31:14,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 18:31:14,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 18:31:14,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 18:31:14,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 18:31:14,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 18:31:14,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 18:31:14,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 18:31:14,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 18:31:14,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 18:31:14,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 18:31:14,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 18:31:14,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 18:31:14,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 18:31:14,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 18:31:14,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 18:31:14,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 18:31:14,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 18:31:14,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 18:31:14,617 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 18:31:14,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc.i [2021-06-14 18:31:14,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3053fd53/83952fb0dfc14f1da3f7be0c3c884d4b/FLAGcb5b696cd [2021-06-14 18:31:15,209 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 18:31:15,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc.i [2021-06-14 18:31:15,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3053fd53/83952fb0dfc14f1da3f7be0c3c884d4b/FLAGcb5b696cd [2021-06-14 18:31:15,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3053fd53/83952fb0dfc14f1da3f7be0c3c884d4b [2021-06-14 18:31:15,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 18:31:15,708 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 18:31:15,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 18:31:15,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 18:31:15,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 18:31:15,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 06:31:15" (1/1) ... [2021-06-14 18:31:15,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591e7d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:15, skipping insertion in model container [2021-06-14 18:31:15,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 06:31:15" (1/1) ... [2021-06-14 18:31:15,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 18:31:15,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 18:31:15,948 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/safe020_pso.oepc.i[950,963] [2021-06-14 18:31:16,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 18:31:16,121 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 18:31:16,133 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/safe020_pso.oepc.i[950,963] [2021-06-14 18:31:16,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 18:31:16,241 INFO L208 MainTranslator]: Completed translation [2021-06-14 18:31:16,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16 WrapperNode [2021-06-14 18:31:16,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 18:31:16,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 18:31:16,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 18:31:16,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 18:31:16,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 18:31:16,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 18:31:16,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 18:31:16,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 18:31:16,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (1/1) ... [2021-06-14 18:31:16,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 18:31:16,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 18:31:16,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 18:31:16,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 18:31:16,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (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 [2021-06-14 18:31:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 18:31:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-14 18:31:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 18:31:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 18:31:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-14 18:31:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-14 18:31:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-14 18:31:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-14 18:31:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-14 18:31:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-14 18:31:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 18:31:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-14 18:31:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 18:31:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 18:31:16,404 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 18:31:16,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 18:31:16,827 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-14 18:31:16,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 06:31:16 BoogieIcfgContainer [2021-06-14 18:31:16,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 18:31:16,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 18:31:16,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 18:31:16,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 18:31:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 06:31:15" (1/3) ... [2021-06-14 18:31:16,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a523c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 06:31:16, skipping insertion in model container [2021-06-14 18:31:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 06:31:16" (2/3) ... [2021-06-14 18:31:16,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a523c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 06:31:16, skipping insertion in model container [2021-06-14 18:31:16,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 06:31:16" (3/3) ... [2021-06-14 18:31:16,836 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc.i [2021-06-14 18:31:16,843 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 18:31:16,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 18:31:16,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 18:31:16,844 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 18:31:16,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,877 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,877 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 18:31:16,903 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 18:31:16,921 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 [2021-06-14 18:31:16,974 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 18:31:16,974 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 18:31:16,974 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 18:31:16,975 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 18:31:16,975 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 18:31:16,975 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 18:31:16,975 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 18:31:16,975 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 18:31:17,140 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:31:17,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:31:17,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1511672067, now seen corresponding path program 1 times [2021-06-14 18:31:17,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:31:17,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845708080] [2021-06-14 18:31:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:31:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:31:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:31:17,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:31:17,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845708080] [2021-06-14 18:31:17,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845708080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:31:17,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:31:17,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 18:31:17,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027401377] [2021-06-14 18:31:17,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-14 18:31:17,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:31:17,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-14 18:31:17,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-14 18:31:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:31:17,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 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) [2021-06-14 18:31:17,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 18:31:17,382 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:31:17,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:31:17,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1359122725, now seen corresponding path program 1 times [2021-06-14 18:31:17,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:31:17,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266175071] [2021-06-14 18:31:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:31:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:31:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:31:17,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:31:17,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266175071] [2021-06-14 18:31:17,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266175071] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:31:17,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:31:17,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-14 18:31:17,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646007173] [2021-06-14 18:31:17,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 18:31:17,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:31:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 18:31:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-14 18:31:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:31:17,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-06-14 18:31:17,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:17,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 18:31:17,871 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:31:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:31:17,878 INFO L82 PathProgramCache]: Analyzing trace with hash -283429233, now seen corresponding path program 2 times [2021-06-14 18:31:17,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:31:17,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162344807] [2021-06-14 18:31:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:31:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:31:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:31:18,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:31:18,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162344807] [2021-06-14 18:31:18,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162344807] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:31:18,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:31:18,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 18:31:18,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448444080] [2021-06-14 18:31:18,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 18:31:18,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:31:18,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 18:31:18,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-14 18:31:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:18,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:31:18,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-06-14 18:31:18,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:18,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:18,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 18:31:19,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 18:31:19,084 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:31:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:31:19,085 INFO L82 PathProgramCache]: Analyzing trace with hash -53530299, now seen corresponding path program 3 times [2021-06-14 18:31:19,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:31:19,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851750808] [2021-06-14 18:31:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:31:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:31:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:31:19,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:31:19,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851750808] [2021-06-14 18:31:19,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851750808] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:31:19,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:31:19,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-14 18:31:19,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780003065] [2021-06-14 18:31:19,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 18:31:19,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:31:19,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 18:31:19,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 18:31:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:19,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:31:19,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-06-14 18:31:19,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:19,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:19,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 18:31:19,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 18:31:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 18:31:20,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 18:31:20,009 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 18:31:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 18:31:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1228687301, now seen corresponding path program 4 times [2021-06-14 18:31:20,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 18:31:20,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316166767] [2021-06-14 18:31:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 18:31:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 18:31:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 18:31:20,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 18:31:20,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316166767] [2021-06-14 18:31:20,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316166767] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 18:31:20,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 18:31:20,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-14 18:31:20,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581891516] [2021-06-14 18:31:20,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 18:31:20,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 18:31:20,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 18:31:20,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-14 18:31:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:20,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 18:31:20,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-06-14 18:31:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 18:31:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 18:31:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 18:31:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 18:31:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 18:31:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 18:31:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 18:31:21,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-14 18:31:21,166 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 18:31:21,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 06:31:21 BasicIcfg [2021-06-14 18:31:21,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 18:31:21,169 INFO L168 Benchmark]: Toolchain (without parser) took 5460.57 ms. Allocated memory was 184.5 MB in the beginning and 278.9 MB in the end (delta: 94.4 MB). Free memory was 146.4 MB in the beginning and 139.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 165.1 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,169 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 184.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 18:31:21,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.33 ms. Allocated memory is still 184.5 MB. Free memory was 146.2 MB in the beginning and 140.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.19 ms. Allocated memory is still 184.5 MB. Free memory was 140.9 MB in the beginning and 138.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,170 INFO L168 Benchmark]: Boogie Preprocessor took 31.36 ms. Allocated memory is still 184.5 MB. Free memory was 138.9 MB in the beginning and 137.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,171 INFO L168 Benchmark]: RCFGBuilder took 495.48 ms. Allocated memory is still 184.5 MB. Free memory was 137.6 MB in the beginning and 150.0 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,171 INFO L168 Benchmark]: TraceAbstraction took 4337.04 ms. Allocated memory was 184.5 MB in the beginning and 278.9 MB in the end (delta: 94.4 MB). Free memory was 149.6 MB in the beginning and 139.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 167.9 MB. Max. memory is 8.0 GB. [2021-06-14 18:31:21,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 184.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 533.33 ms. Allocated memory is still 184.5 MB. Free memory was 146.2 MB in the beginning and 140.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.19 ms. Allocated memory is still 184.5 MB. Free memory was 140.9 MB in the beginning and 138.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.36 ms. Allocated memory is still 184.5 MB. Free memory was 138.9 MB in the beginning and 137.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 495.48 ms. Allocated memory is still 184.5 MB. Free memory was 137.6 MB in the beginning and 150.0 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4337.04 ms. Allocated memory was 184.5 MB in the beginning and 278.9 MB in the end (delta: 94.4 MB). Free memory was 149.6 MB in the beginning and 139.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 167.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41479, positive: 39518, positive conditional: 33071, positive unconditional: 6447, negative: 1961, negative conditional: 1869, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 39752, positive: 39518, positive conditional: 33071, positive unconditional: 6447, negative: 234, negative conditional: 142, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 39752, positive: 39123, positive conditional: 0, positive unconditional: 39123, negative: 629, negative conditional: 0, negative unconditional: 629, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 999, positive: 982, positive conditional: 0, positive unconditional: 982, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 999, positive: 976, positive conditional: 0, positive unconditional: 976, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39752, positive: 38141, positive conditional: 0, positive unconditional: 38141, negative: 612, negative conditional: 0, negative unconditional: 612, unknown: 999, unknown conditional: 0, unknown unconditional: 999] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300 ], Maximal queried relation: 5, Independence queries for same thread: 1727 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1355, Number of persistent set computation: 22428, Number of trivial persistent sets: 20516, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41479, positive: 39518, positive conditional: 33071, positive unconditional: 6447, negative: 1961, negative conditional: 1869, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 39752, positive: 39518, positive conditional: 33071, positive unconditional: 6447, negative: 234, negative conditional: 142, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 39752, positive: 39123, positive conditional: 0, positive unconditional: 39123, negative: 629, negative conditional: 0, negative unconditional: 629, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 999, positive: 982, positive conditional: 0, positive unconditional: 982, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 999, positive: 976, positive conditional: 0, positive unconditional: 976, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39752, positive: 38141, positive conditional: 0, positive unconditional: 38141, negative: 612, negative conditional: 0, negative unconditional: 612, unknown: 999, unknown conditional: 0, unknown unconditional: 999] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300, SemanticConditionEliminator.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2037, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1642, negative conditional: 78, negative unconditional: 1564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 23, negative conditional: 6, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 38, positive conditional: 21, positive unconditional: 17, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2037, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 1636, negative conditional: 72, negative unconditional: 1564, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1015, Positive cache size: 992, Positive conditional cache size: 10, Positive unconditional cache size: 982, Negative cache size: 23, Negative conditional cache size: 6, Negative unconditional cache size: 17, Eliminated conditions: 1300 ], Maximal queried relation: 5, Independence queries for same thread: 1727 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4221.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 3277.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 16.5ms SsaConstructionTime, 122.9ms SatisfiabilityAnalysisTime, 599.6ms InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 1066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...