/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 06:53:21,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 06:53:21,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 06:53:21,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 06:53:21,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 06:53:21,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 06:53:21,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 06:53:21,375 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-NewStatesSleep-NoLbe.epf [2021-04-15 06:53:21,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 06:53:21,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 06:53:21,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 06:53:21,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 06:53:21,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 06:53:21,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 06:53:21,396 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 06:53:21,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 06:53:21,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 06:53:21,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 06:53:21,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 06:53:21,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 06:53:21,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 06:53:21,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 06:53:21,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 06:53:21,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 06:53:21,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 06:53:21,400 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 06:53:21,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 06:53:21,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 06:53:21,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 06:53:21,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 06:53:21,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 06:53:21,705 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 06:53:21,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2021-04-15 06:53:21,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fd507a7/185f3d3975db481ba6ce32520fb9357d/FLAG4daa556d8 [2021-04-15 06:53:22,332 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 06:53:22,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2021-04-15 06:53:22,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fd507a7/185f3d3975db481ba6ce32520fb9357d/FLAG4daa556d8 [2021-04-15 06:53:22,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fd507a7/185f3d3975db481ba6ce32520fb9357d [2021-04-15 06:53:22,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 06:53:22,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 06:53:22,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 06:53:22,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 06:53:22,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 06:53:22,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:53:22" (1/1) ... [2021-04-15 06:53:22,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57030a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:22, skipping insertion in model container [2021-04-15 06:53:22,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:53:22" (1/1) ... [2021-04-15 06:53:22,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 06:53:22,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 06:53:22,912 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i[950,963] [2021-04-15 06:53:23,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:53:23,108 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 06:53:23,119 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i[950,963] [2021-04-15 06:53:23,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:53:23,244 INFO L208 MainTranslator]: Completed translation [2021-04-15 06:53:23,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23 WrapperNode [2021-04-15 06:53:23,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 06:53:23,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 06:53:23,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 06:53:23,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 06:53:23,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 06:53:23,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 06:53:23,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 06:53:23,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 06:53:23,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (1/1) ... [2021-04-15 06:53:23,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 06:53:23,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 06:53:23,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 06:53:23,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 06:53:23,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (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 [2021-04-15 06:53:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 06:53:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 06:53:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 06:53:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 06:53:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 06:53:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 06:53:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 06:53:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 06:53:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 06:53:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 06:53:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 06:53:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 06:53:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 06:53:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 06:53:23,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 06:53:23,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 06:53:23,693 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 06:53:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:53:23 BoogieIcfgContainer [2021-04-15 06:53:23,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 06:53:23,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 06:53:23,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 06:53:23,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 06:53:23,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:53:22" (1/3) ... [2021-04-15 06:53:23,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660e432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:53:23, skipping insertion in model container [2021-04-15 06:53:23,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:53:23" (2/3) ... [2021-04-15 06:53:23,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660e432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:53:23, skipping insertion in model container [2021-04-15 06:53:23,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:53:23" (3/3) ... [2021-04-15 06:53:23,700 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_tso.oepc.i [2021-04-15 06:53:23,705 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 06:53:23,705 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 06:53:23,709 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 06:53:23,710 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 06:53:23,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,746 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,746 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,752 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,752 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,758 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,765 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,766 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,771 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,772 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:53:23,774 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 06:53:23,790 INFO L253 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) [2021-04-15 06:53:23,849 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 06:53:23,849 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 06:53:23,849 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 06:53:23,849 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 06:53:23,849 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 06:53:23,849 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 06:53:23,849 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 06:53:23,849 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 06:53:23,898 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:23,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:23,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1753182530, now seen corresponding path program 1 times [2021-04-15 06:53:23,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:23,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6149390] [2021-04-15 06:53:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:24,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6149390] [2021-04-15 06:53:24,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:24,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 06:53:24,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134670426] [2021-04-15 06:53:24,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 06:53:24,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:24,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 06:53:24,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 06:53:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:24,138 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:24,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-04-15 06:53:24,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:24,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 06:53:24,161 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1026024891, now seen corresponding path program 1 times [2021-04-15 06:53:24,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:24,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930567222] [2021-04-15 06:53:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:24,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930567222] [2021-04-15 06:53:24,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:24,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:53:24,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340741665] [2021-04-15 06:53:24,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:53:24,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:24,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:53:24,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:53:24,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:24,540 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:24,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-04-15 06:53:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:25,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 06:53:25,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 06:53:25,666 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:25,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:25,674 INFO L82 PathProgramCache]: Analyzing trace with hash -254997683, now seen corresponding path program 2 times [2021-04-15 06:53:25,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:25,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863953760] [2021-04-15 06:53:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:25,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863953760] [2021-04-15 06:53:25,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:25,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:53:25,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981493630] [2021-04-15 06:53:25,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:53:25,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:25,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:53:25,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:53:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:25,830 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:25,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-04-15 06:53:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-04-15 06:53:25,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 06:53:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:26,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 06:53:26,560 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:26,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1786201490, now seen corresponding path program 1 times [2021-04-15 06:53:26,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:26,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363230886] [2021-04-15 06:53:26,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:26,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363230886] [2021-04-15 06:53:26,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:26,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:53:26,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789533861] [2021-04-15 06:53:26,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:53:26,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:53:26,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:53:26,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:26,705 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:26,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 06:53:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-04-15 06:53:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 06:53:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 06:53:27,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 06:53:27,903 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:27,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:27,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1349286244, now seen corresponding path program 1 times [2021-04-15 06:53:27,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:27,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122884315] [2021-04-15 06:53:27,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:28,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122884315] [2021-04-15 06:53:28,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:28,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:53:28,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891267714] [2021-04-15 06:53:28,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:53:28,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:28,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:53:28,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:53:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:28,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:28,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-04-15 06:53:28,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:28,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 06:53:28,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:28,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 06:53:28,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-15 06:53:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:30,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 06:53:30,744 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:53:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:53:30,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1218453258, now seen corresponding path program 1 times [2021-04-15 06:53:30,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:53:30,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998538881] [2021-04-15 06:53:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:53:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:53:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:53:30,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998538881] [2021-04-15 06:53:30,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:53:30,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:53:30,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671257474] [2021-04-15 06:53:30,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:53:30,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:53:30,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:53:30,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:53:30,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:30,858 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:53:30,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-04-15 06:53:30,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-04-15 06:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:30,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:53:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 06:53:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-15 06:53:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 06:53:33,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 06:53:33,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:53:33 BasicIcfg [2021-04-15 06:53:33,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 06:53:33,450 INFO L168 Benchmark]: Toolchain (without parser) took 10718.19 ms. Allocated memory was 255.9 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 237.4 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,450 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:53:33,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.93 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 237.4 MB in the beginning and 325.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.31 ms. Allocated memory is still 362.8 MB. Free memory was 325.2 MB in the beginning and 323.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,451 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 362.8 MB. Free memory was 323.5 MB in the beginning and 321.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,451 INFO L168 Benchmark]: RCFGBuilder took 385.30 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 335.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,452 INFO L168 Benchmark]: TraceAbstraction took 9753.46 ms. Allocated memory was 362.8 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 335.1 MB in the beginning and 1.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-04-15 06:53:33,454 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 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 511.93 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 237.4 MB in the beginning and 325.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.31 ms. Allocated memory is still 362.8 MB. Free memory was 325.2 MB in the beginning and 323.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 362.8 MB. Free memory was 323.5 MB in the beginning and 321.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 385.30 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 335.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9753.46 ms. Allocated memory was 362.8 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 335.1 MB in the beginning and 1.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 445397, positive: 439725, positive conditional: 439725, positive unconditional: 0, negative: 5672, negative conditional: 5672, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 443218, positive: 439725, positive conditional: 439725, positive unconditional: 0, negative: 3493, negative conditional: 3493, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 443218, positive: 438605, positive conditional: 0, positive unconditional: 438605, negative: 4613, negative conditional: 0, negative unconditional: 4613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 825, positive: 806, positive conditional: 0, positive unconditional: 806, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 825, positive: 802, positive conditional: 0, positive unconditional: 802, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 443218, positive: 437799, positive conditional: 0, positive unconditional: 437799, negative: 4594, negative conditional: 0, negative unconditional: 4594, unknown: 825, unknown conditional: 0, unknown unconditional: 825] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767, SemanticConditionEliminator.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19693, positive: 1120, positive conditional: 1120, positive unconditional: 0, negative: 18573, negative conditional: 2806, negative unconditional: 15767, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 77, negative conditional: 58, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 55, positive conditional: 46, positive unconditional: 10, negative: 146, negative conditional: 94, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19693, positive: 1093, positive conditional: 1093, positive unconditional: 0, negative: 18515, negative conditional: 2748, negative unconditional: 15767, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 910, Positive cache size: 833, Positive conditional cache size: 27, Positive unconditional cache size: 806, Negative cache size: 77, Negative conditional cache size: 58, Negative unconditional cache size: 19, Eliminated conditions: 15767 ], Maximal queried relation: 6, Independence queries for same thread: 2179 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9627.6ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 8383.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 87, 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: 31.4ms SsaConstructionTime, 172.5ms SatisfiabilityAnalysisTime, 783.8ms InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 1174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...