/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:40:04,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:40:04,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:40:04,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:40:04,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:40:04,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:40:04,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:40:04,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:40:04,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:40:04,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:40:04,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:40:04,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:40:04,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:40:04,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:40:04,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:40:04,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:40:04,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:40:04,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:40:04,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:40:04,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:40:04,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:40:04,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:40:04,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:40:04,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:40:04,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:40:04,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:40:04,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:40:04,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:40:04,682 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-PN-SemanticLbe.epf [2021-03-24 19:40:04,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:40:04,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:40:04,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:40:04,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:40:04,721 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:40:04,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:40:04,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:40:04,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:40:04,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:40:04,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:40:04,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:40:04,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:40:04,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:40:04,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:40:04,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:40:04,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:40:04,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:40:04,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:40:04,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:40:04,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:40:04,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:40:04,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:40:04,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:40:04,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:40:05,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:40:05,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:40:05,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:40:05,029 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:40:05,030 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:40:05,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.oepc.i [2021-03-24 19:40:05,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/245709767/181f2fb1b5544f52b1e385f162bfbc7c/FLAGb5559c770 [2021-03-24 19:40:05,607 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:40:05,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_pso.oepc.i [2021-03-24 19:40:05,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/245709767/181f2fb1b5544f52b1e385f162bfbc7c/FLAGb5559c770 [2021-03-24 19:40:05,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/245709767/181f2fb1b5544f52b1e385f162bfbc7c [2021-03-24 19:40:05,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:40:05,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:40:05,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:40:05,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:40:05,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:40:05,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:40:05" (1/1) ... [2021-03-24 19:40:05,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485c7689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:05, skipping insertion in model container [2021-03-24 19:40:05,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:40:05" (1/1) ... [2021-03-24 19:40:05,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:40:05,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:40:06,060 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/mix043_pso.oepc.i[949,962] [2021-03-24 19:40:06,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:40:06,259 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:40:06,270 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/mix043_pso.oepc.i[949,962] [2021-03-24 19:40:06,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:40:06,401 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:40:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06 WrapperNode [2021-03-24 19:40:06,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:40:06,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:40:06,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:40:06,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:40:06,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:40:06,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:40:06,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:40:06,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:40:06,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (1/1) ... [2021-03-24 19:40:06,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:40:06,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:40:06,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:40:06,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:40:06,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (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 [2021-03-24 19:40:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:40:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:40:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:40:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:40:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:40:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:40:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:40:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:40:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:40:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:40:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 19:40:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 19:40:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:40:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:40:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:40:06,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:40:06,621 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:40:08,428 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:40:08,428 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:40:08,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:40:08 BoogieIcfgContainer [2021-03-24 19:40:08,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:40:08,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:40:08,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:40:08,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:40:08,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:40:05" (1/3) ... [2021-03-24 19:40:08,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa7d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:40:08, skipping insertion in model container [2021-03-24 19:40:08,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:40:06" (2/3) ... [2021-03-24 19:40:08,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa7d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:40:08, skipping insertion in model container [2021-03-24 19:40:08,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:40:08" (3/3) ... [2021-03-24 19:40:08,437 INFO L111 eAbstractionObserver]: Analyzing ICFG mix043_pso.oepc.i [2021-03-24 19:40:08,445 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:40:08,448 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:40:08,449 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:40:08,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,491 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,492 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,506 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,518 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,530 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,546 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,546 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,551 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,551 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,552 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,559 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:40:08,561 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:40:08,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 19:40:08,592 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:40:08,592 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:40:08,592 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:40:08,592 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:40:08,592 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:40:08,592 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:40:08,592 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:40:08,592 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:40:08,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-03-24 19:40:08,639 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-03-24 19:40:08,639 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:40:08,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-24 19:40:08,643 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-03-24 19:40:08,647 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-03-24 19:40:08,648 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:40:08,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-03-24 19:40:08,661 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-03-24 19:40:08,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-03-24 19:40:08,681 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-03-24 19:40:08,681 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:40:08,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-24 19:40:08,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 2876 [2021-03-24 19:40:10,140 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:40:10,571 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:40:10,721 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 19:40:12,304 INFO L154 LiptonReduction]: Checked pairs total: 5194 [2021-03-24 19:40:12,304 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-24 19:40:12,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3662 [2021-03-24 19:40:12,317 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-24 19:40:12,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:40:12,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:12,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:12,319 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:12,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:12,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1584989629, now seen corresponding path program 1 times [2021-03-24 19:40:12,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:12,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278126] [2021-03-24 19:40:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:12,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:12,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278126] [2021-03-24 19:40:12,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:12,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:40:12,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439172948] [2021-03-24 19:40:12,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:40:12,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:12,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:40:12,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:40:12,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 196 [2021-03-24 19:40:12,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2021-03-24 19:40:12,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:12,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 196 [2021-03-24 19:40:12,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:12,738 INFO L129 PetriNetUnfolder]: 133/384 cut-off events. [2021-03-24 19:40:12,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:40:12,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 384 events. 133/384 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2174 event pairs, 110 based on Foata normal form. 32/387 useless extension candidates. Maximal degree in co-relation 581. Up to 153 conditions per place. [2021-03-24 19:40:12,745 INFO L132 encePairwiseOnDemand]: 192/196 looper letters, 11 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2021-03-24 19:40:12,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 140 flow [2021-03-24 19:40:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:40:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:40:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2021-03-24 19:40:12,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9149659863945578 [2021-03-24 19:40:12,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2021-03-24 19:40:12,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2021-03-24 19:40:12,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:12,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2021-03-24 19:40:12,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2021-03-24 19:40:12,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 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) [2021-03-24 19:40:12,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 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) [2021-03-24 19:40:12,780 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 110 flow. Second operand 3 states and 538 transitions. [2021-03-24 19:40:12,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 140 flow [2021-03-24 19:40:12,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 51 transitions, 136 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 19:40:12,783 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 104 flow [2021-03-24 19:40:12,785 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2021-03-24 19:40:12,785 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-24 19:40:12,785 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 104 flow [2021-03-24 19:40:12,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2021-03-24 19:40:12,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:12,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:12,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:40:12,786 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:12,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:12,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1061219016, now seen corresponding path program 1 times [2021-03-24 19:40:12,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:12,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056787886] [2021-03-24 19:40:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:12,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:12,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:12,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:40:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:40:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:12,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056787886] [2021-03-24 19:40:12,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:12,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:40:12,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298446315] [2021-03-24 19:40:12,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:40:12,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:12,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:40:12,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:40:12,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 196 [2021-03-24 19:40:12,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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) [2021-03-24 19:40:12,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:12,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 196 [2021-03-24 19:40:12,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:12,912 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-03-24 19:40:12,913 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:40:12,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 60 events. 0/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 0 based on Foata normal form. 2/59 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-24 19:40:12,913 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 2 selfloop transitions, 2 changer transitions 9/49 dead transitions. [2021-03-24 19:40:12,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 49 transitions, 126 flow [2021-03-24 19:40:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:40:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:40:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 895 transitions. [2021-03-24 19:40:12,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9132653061224489 [2021-03-24 19:40:12,916 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 895 transitions. [2021-03-24 19:40:12,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 895 transitions. [2021-03-24 19:40:12,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:12,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 895 transitions. [2021-03-24 19:40:12,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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) [2021-03-24 19:40:12,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:12,923 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:12,923 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 104 flow. Second operand 5 states and 895 transitions. [2021-03-24 19:40:12,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 49 transitions, 126 flow [2021-03-24 19:40:12,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 49 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:40:12,924 INFO L241 Difference]: Finished difference. Result has 62 places, 40 transitions, 100 flow [2021-03-24 19:40:12,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=62, PETRI_TRANSITIONS=40} [2021-03-24 19:40:12,925 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2021-03-24 19:40:12,925 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 40 transitions, 100 flow [2021-03-24 19:40:12,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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) [2021-03-24 19:40:12,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:12,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:12,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:40:12,926 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:12,926 INFO L82 PathProgramCache]: Analyzing trace with hash 904493412, now seen corresponding path program 1 times [2021-03-24 19:40:12,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:12,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733407189] [2021-03-24 19:40:12,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:13,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:13,053 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:40:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:40:13,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:13,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733407189] [2021-03-24 19:40:13,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:13,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:40:13,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388522936] [2021-03-24 19:40:13,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:40:13,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:40:13,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:40:13,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 196 [2021-03-24 19:40:13,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 40 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 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) [2021-03-24 19:40:13,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:13,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 196 [2021-03-24 19:40:13,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:13,141 INFO L129 PetriNetUnfolder]: 90/213 cut-off events. [2021-03-24 19:40:13,142 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-24 19:40:13,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 213 events. 90/213 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 955 event pairs, 46 based on Foata normal form. 16/225 useless extension candidates. Maximal degree in co-relation 404. Up to 119 conditions per place. [2021-03-24 19:40:13,145 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 6 selfloop transitions, 5 changer transitions 9/53 dead transitions. [2021-03-24 19:40:13,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 166 flow [2021-03-24 19:40:13,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:40:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:40:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 842 transitions. [2021-03-24 19:40:13,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8591836734693877 [2021-03-24 19:40:13,148 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 842 transitions. [2021-03-24 19:40:13,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 842 transitions. [2021-03-24 19:40:13,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:13,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 842 transitions. [2021-03-24 19:40:13,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2021-03-24 19:40:13,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:13,153 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:13,153 INFO L185 Difference]: Start difference. First operand has 62 places, 40 transitions, 100 flow. Second operand 5 states and 842 transitions. [2021-03-24 19:40:13,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 166 flow [2021-03-24 19:40:13,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 158 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:40:13,157 INFO L241 Difference]: Finished difference. Result has 57 places, 44 transitions, 137 flow [2021-03-24 19:40:13,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=57, PETRI_TRANSITIONS=44} [2021-03-24 19:40:13,157 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-24 19:40:13,158 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 44 transitions, 137 flow [2021-03-24 19:40:13,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 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) [2021-03-24 19:40:13,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:13,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:13,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:40:13,158 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:13,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1390053271, now seen corresponding path program 1 times [2021-03-24 19:40:13,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:13,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541903072] [2021-03-24 19:40:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:13,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:13,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:13,324 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:40:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:40:13,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:13,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541903072] [2021-03-24 19:40:13,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:13,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:40:13,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748249982] [2021-03-24 19:40:13,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:40:13,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:13,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:40:13,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:40:13,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 196 [2021-03-24 19:40:13,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 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) [2021-03-24 19:40:13,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:13,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 196 [2021-03-24 19:40:13,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:13,409 INFO L129 PetriNetUnfolder]: 66/172 cut-off events. [2021-03-24 19:40:13,409 INFO L130 PetriNetUnfolder]: For 105/139 co-relation queries the response was YES. [2021-03-24 19:40:13,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 172 events. 66/172 cut-off events. For 105/139 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 643 event pairs, 14 based on Foata normal form. 23/192 useless extension candidates. Maximal degree in co-relation 516. Up to 108 conditions per place. [2021-03-24 19:40:13,411 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 6 selfloop transitions, 9 changer transitions 9/57 dead transitions. [2021-03-24 19:40:13,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 57 transitions, 261 flow [2021-03-24 19:40:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 19:40:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 19:40:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1010 transitions. [2021-03-24 19:40:13,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.858843537414966 [2021-03-24 19:40:13,414 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1010 transitions. [2021-03-24 19:40:13,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1010 transitions. [2021-03-24 19:40:13,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:13,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1010 transitions. [2021-03-24 19:40:13,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 states have internal predecessors, (1010), 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) [2021-03-24 19:40:13,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 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) [2021-03-24 19:40:13,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 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) [2021-03-24 19:40:13,421 INFO L185 Difference]: Start difference. First operand has 57 places, 44 transitions, 137 flow. Second operand 6 states and 1010 transitions. [2021-03-24 19:40:13,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 57 transitions, 261 flow [2021-03-24 19:40:13,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 57 transitions, 254 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 19:40:13,425 INFO L241 Difference]: Finished difference. Result has 61 places, 48 transitions, 202 flow [2021-03-24 19:40:13,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=202, PETRI_PLACES=61, PETRI_TRANSITIONS=48} [2021-03-24 19:40:13,425 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 0 predicate places. [2021-03-24 19:40:13,425 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 48 transitions, 202 flow [2021-03-24 19:40:13,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 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) [2021-03-24 19:40:13,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:13,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:13,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:40:13,426 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:13,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:13,427 INFO L82 PathProgramCache]: Analyzing trace with hash 379199345, now seen corresponding path program 1 times [2021-03-24 19:40:13,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:13,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662387817] [2021-03-24 19:40:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:13,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:13,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:13,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:40:13,571 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-03-24 19:40:13,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 19:40:13,602 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-24 19:40:13,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 19:40:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:13,627 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:40:13,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:40:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:13,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662387817] [2021-03-24 19:40:13,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:13,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:40:13,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584821128] [2021-03-24 19:40:13,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:40:13,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:13,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:40:13,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:40:13,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 196 [2021-03-24 19:40:13,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 202 flow. Second operand has 8 states, 8 states have (on average 155.5) internal successors, (1244), 8 states have internal predecessors, (1244), 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) [2021-03-24 19:40:13,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:13,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 196 [2021-03-24 19:40:13,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:14,035 INFO L129 PetriNetUnfolder]: 598/1216 cut-off events. [2021-03-24 19:40:14,035 INFO L130 PetriNetUnfolder]: For 2062/2822 co-relation queries the response was YES. [2021-03-24 19:40:14,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3967 conditions, 1216 events. 598/1216 cut-off events. For 2062/2822 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8196 event pairs, 177 based on Foata normal form. 42/1193 useless extension candidates. Maximal degree in co-relation 3936. Up to 457 conditions per place. [2021-03-24 19:40:14,047 INFO L132 encePairwiseOnDemand]: 186/196 looper letters, 36 selfloop transitions, 9 changer transitions 0/79 dead transitions. [2021-03-24 19:40:14,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 79 transitions, 386 flow [2021-03-24 19:40:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:40:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:40:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1278 transitions. [2021-03-24 19:40:14,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8150510204081632 [2021-03-24 19:40:14,050 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1278 transitions. [2021-03-24 19:40:14,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1278 transitions. [2021-03-24 19:40:14,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:14,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1278 transitions. [2021-03-24 19:40:14,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 159.75) internal successors, (1278), 8 states have internal predecessors, (1278), 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) [2021-03-24 19:40:14,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 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) [2021-03-24 19:40:14,057 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 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) [2021-03-24 19:40:14,057 INFO L185 Difference]: Start difference. First operand has 61 places, 48 transitions, 202 flow. Second operand 8 states and 1278 transitions. [2021-03-24 19:40:14,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 79 transitions, 386 flow [2021-03-24 19:40:14,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 79 transitions, 332 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-03-24 19:40:14,070 INFO L241 Difference]: Finished difference. Result has 66 places, 54 transitions, 222 flow [2021-03-24 19:40:14,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=222, PETRI_PLACES=66, PETRI_TRANSITIONS=54} [2021-03-24 19:40:14,071 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 5 predicate places. [2021-03-24 19:40:14,071 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 54 transitions, 222 flow [2021-03-24 19:40:14,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.5) internal successors, (1244), 8 states have internal predecessors, (1244), 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) [2021-03-24 19:40:14,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:14,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:14,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:40:14,072 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:14,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:14,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1507690639, now seen corresponding path program 2 times [2021-03-24 19:40:14,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:14,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879876869] [2021-03-24 19:40:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:14,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:14,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:14,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:40:14,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:40:14,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:14,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879876869] [2021-03-24 19:40:14,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:14,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:40:14,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929625784] [2021-03-24 19:40:14,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:40:14,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:14,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:40:14,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:40:14,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 196 [2021-03-24 19:40:14,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 54 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 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) [2021-03-24 19:40:14,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:14,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 196 [2021-03-24 19:40:14,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:14,277 INFO L129 PetriNetUnfolder]: 166/430 cut-off events. [2021-03-24 19:40:14,277 INFO L130 PetriNetUnfolder]: For 699/1121 co-relation queries the response was YES. [2021-03-24 19:40:14,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 430 events. 166/430 cut-off events. For 699/1121 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2577 event pairs, 23 based on Foata normal form. 146/540 useless extension candidates. Maximal degree in co-relation 1575. Up to 271 conditions per place. [2021-03-24 19:40:14,281 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 7 selfloop transitions, 18 changer transitions 5/67 dead transitions. [2021-03-24 19:40:14,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 382 flow [2021-03-24 19:40:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:40:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:40:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1178 transitions. [2021-03-24 19:40:14,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.858600583090379 [2021-03-24 19:40:14,284 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1178 transitions. [2021-03-24 19:40:14,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1178 transitions. [2021-03-24 19:40:14,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:14,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1178 transitions. [2021-03-24 19:40:14,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.28571428571428) internal successors, (1178), 7 states have internal predecessors, (1178), 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) [2021-03-24 19:40:14,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 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) [2021-03-24 19:40:14,290 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 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) [2021-03-24 19:40:14,290 INFO L185 Difference]: Start difference. First operand has 66 places, 54 transitions, 222 flow. Second operand 7 states and 1178 transitions. [2021-03-24 19:40:14,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 382 flow [2021-03-24 19:40:14,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 67 transitions, 372 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-24 19:40:14,296 INFO L241 Difference]: Finished difference. Result has 72 places, 62 transitions, 348 flow [2021-03-24 19:40:14,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=348, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2021-03-24 19:40:14,296 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2021-03-24 19:40:14,296 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 348 flow [2021-03-24 19:40:14,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 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) [2021-03-24 19:40:14,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:14,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:14,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:40:14,297 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1643872532, now seen corresponding path program 1 times [2021-03-24 19:40:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:14,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186097147] [2021-03-24 19:40:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:14,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:14,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:14,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:14,365 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 19:40:14,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:40:14,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:40:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:40:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:14,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186097147] [2021-03-24 19:40:14,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:14,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:40:14,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878683605] [2021-03-24 19:40:14,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:40:14,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:14,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:40:14,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:40:14,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 196 [2021-03-24 19:40:14,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 348 flow. Second operand has 5 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 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) [2021-03-24 19:40:14,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:14,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 196 [2021-03-24 19:40:14,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:14,767 INFO L129 PetriNetUnfolder]: 813/2092 cut-off events. [2021-03-24 19:40:14,768 INFO L130 PetriNetUnfolder]: For 4412/4747 co-relation queries the response was YES. [2021-03-24 19:40:14,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7778 conditions, 2092 events. 813/2092 cut-off events. For 4412/4747 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 17666 event pairs, 68 based on Foata normal form. 35/2027 useless extension candidates. Maximal degree in co-relation 7743. Up to 1068 conditions per place. [2021-03-24 19:40:14,790 INFO L132 encePairwiseOnDemand]: 184/196 looper letters, 19 selfloop transitions, 18 changer transitions 8/93 dead transitions. [2021-03-24 19:40:14,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 543 flow [2021-03-24 19:40:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:40:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:40:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1291 transitions. [2021-03-24 19:40:14,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8233418367346939 [2021-03-24 19:40:14,794 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1291 transitions. [2021-03-24 19:40:14,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1291 transitions. [2021-03-24 19:40:14,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:14,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1291 transitions. [2021-03-24 19:40:14,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 161.375) internal successors, (1291), 8 states have internal predecessors, (1291), 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) [2021-03-24 19:40:14,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 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) [2021-03-24 19:40:14,801 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 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) [2021-03-24 19:40:14,801 INFO L185 Difference]: Start difference. First operand has 72 places, 62 transitions, 348 flow. Second operand 8 states and 1291 transitions. [2021-03-24 19:40:14,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 543 flow [2021-03-24 19:40:14,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 93 transitions, 472 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-24 19:40:14,910 INFO L241 Difference]: Finished difference. Result has 82 places, 76 transitions, 437 flow [2021-03-24 19:40:14,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=437, PETRI_PLACES=82, PETRI_TRANSITIONS=76} [2021-03-24 19:40:14,911 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places. [2021-03-24 19:40:14,911 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 76 transitions, 437 flow [2021-03-24 19:40:14,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 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) [2021-03-24 19:40:14,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:14,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:14,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:40:14,912 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:14,912 INFO L82 PathProgramCache]: Analyzing trace with hash -611587930, now seen corresponding path program 2 times [2021-03-24 19:40:14,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:14,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744839175] [2021-03-24 19:40:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:15,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:15,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:15,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:15,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:15,042 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:40:15,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:40:15,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:15,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744839175] [2021-03-24 19:40:15,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:15,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:40:15,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671246391] [2021-03-24 19:40:15,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:40:15,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:15,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:40:15,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:40:15,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 196 [2021-03-24 19:40:15,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 76 transitions, 437 flow. Second operand has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2021-03-24 19:40:15,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:15,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 196 [2021-03-24 19:40:15,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:15,362 INFO L129 PetriNetUnfolder]: 729/1791 cut-off events. [2021-03-24 19:40:15,362 INFO L130 PetriNetUnfolder]: For 3063/3800 co-relation queries the response was YES. [2021-03-24 19:40:15,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6638 conditions, 1791 events. 729/1791 cut-off events. For 3063/3800 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 14637 event pairs, 48 based on Foata normal form. 402/2045 useless extension candidates. Maximal degree in co-relation 6610. Up to 487 conditions per place. [2021-03-24 19:40:15,384 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 2 selfloop transitions, 23 changer transitions 4/80 dead transitions. [2021-03-24 19:40:15,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 80 transitions, 533 flow [2021-03-24 19:40:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:40:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:40:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1507 transitions. [2021-03-24 19:40:15,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8543083900226758 [2021-03-24 19:40:15,388 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1507 transitions. [2021-03-24 19:40:15,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1507 transitions. [2021-03-24 19:40:15,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:15,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1507 transitions. [2021-03-24 19:40:15,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 167.44444444444446) internal successors, (1507), 9 states have internal predecessors, (1507), 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) [2021-03-24 19:40:15,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 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) [2021-03-24 19:40:15,395 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 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) [2021-03-24 19:40:15,396 INFO L185 Difference]: Start difference. First operand has 82 places, 76 transitions, 437 flow. Second operand 9 states and 1507 transitions. [2021-03-24 19:40:15,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 80 transitions, 533 flow [2021-03-24 19:40:15,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 80 transitions, 503 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-24 19:40:15,439 INFO L241 Difference]: Finished difference. Result has 87 places, 76 transitions, 479 flow [2021-03-24 19:40:15,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=479, PETRI_PLACES=87, PETRI_TRANSITIONS=76} [2021-03-24 19:40:15,440 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 26 predicate places. [2021-03-24 19:40:15,440 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 76 transitions, 479 flow [2021-03-24 19:40:15,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 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) [2021-03-24 19:40:15,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:15,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:15,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:40:15,442 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:15,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1297673962, now seen corresponding path program 1 times [2021-03-24 19:40:15,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:15,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735004801] [2021-03-24 19:40:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:15,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:15,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:15,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:15,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:40:15,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:40:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:15,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735004801] [2021-03-24 19:40:15,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:15,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:40:15,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86936846] [2021-03-24 19:40:15,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:40:15,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:15,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:40:15,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:40:15,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 196 [2021-03-24 19:40:15,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 76 transitions, 479 flow. Second operand has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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) [2021-03-24 19:40:15,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:15,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 196 [2021-03-24 19:40:15,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:15,897 INFO L129 PetriNetUnfolder]: 1060/2602 cut-off events. [2021-03-24 19:40:15,897 INFO L130 PetriNetUnfolder]: For 5312/5786 co-relation queries the response was YES. [2021-03-24 19:40:15,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9890 conditions, 2602 events. 1060/2602 cut-off events. For 5312/5786 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 23212 event pairs, 69 based on Foata normal form. 10/2371 useless extension candidates. Maximal degree in co-relation 9845. Up to 721 conditions per place. [2021-03-24 19:40:15,922 INFO L132 encePairwiseOnDemand]: 192/196 looper letters, 5 selfloop transitions, 6 changer transitions 5/80 dead transitions. [2021-03-24 19:40:15,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 80 transitions, 529 flow [2021-03-24 19:40:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 19:40:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 19:40:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 712 transitions. [2021-03-24 19:40:15,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9081632653061225 [2021-03-24 19:40:15,924 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 712 transitions. [2021-03-24 19:40:15,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 712 transitions. [2021-03-24 19:40:15,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:15,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 712 transitions. [2021-03-24 19:40:15,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 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) [2021-03-24 19:40:15,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 196.0) internal successors, (980), 5 states have internal predecessors, (980), 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) [2021-03-24 19:40:15,927 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 196.0) internal successors, (980), 5 states have internal predecessors, (980), 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) [2021-03-24 19:40:15,927 INFO L185 Difference]: Start difference. First operand has 87 places, 76 transitions, 479 flow. Second operand 4 states and 712 transitions. [2021-03-24 19:40:15,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 80 transitions, 529 flow [2021-03-24 19:40:16,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 80 transitions, 446 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-03-24 19:40:16,067 INFO L241 Difference]: Finished difference. Result has 81 places, 75 transitions, 410 flow [2021-03-24 19:40:16,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=410, PETRI_PLACES=81, PETRI_TRANSITIONS=75} [2021-03-24 19:40:16,068 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 20 predicate places. [2021-03-24 19:40:16,068 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 410 flow [2021-03-24 19:40:16,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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) [2021-03-24 19:40:16,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:16,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:16,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:40:16,068 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:16,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:16,069 INFO L82 PathProgramCache]: Analyzing trace with hash -443091084, now seen corresponding path program 2 times [2021-03-24 19:40:16,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:16,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074799869] [2021-03-24 19:40:16,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:40:16,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:40:16,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:16,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:40:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:40:16,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:40:16,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:40:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:40:16,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074799869] [2021-03-24 19:40:16,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:40:16,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:40:16,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568639262] [2021-03-24 19:40:16,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:40:16,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:40:16,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:40:16,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:40:16,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 196 [2021-03-24 19:40:16,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 410 flow. Second operand has 5 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 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) [2021-03-24 19:40:16,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:40:16,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 196 [2021-03-24 19:40:16,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:40:16,618 INFO L129 PetriNetUnfolder]: 1727/4215 cut-off events. [2021-03-24 19:40:16,618 INFO L130 PetriNetUnfolder]: For 4210/4400 co-relation queries the response was YES. [2021-03-24 19:40:16,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12936 conditions, 4215 events. 1727/4215 cut-off events. For 4210/4400 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 41464 event pairs, 121 based on Foata normal form. 11/3868 useless extension candidates. Maximal degree in co-relation 12912. Up to 1027 conditions per place. [2021-03-24 19:40:16,652 INFO L132 encePairwiseOnDemand]: 192/196 looper letters, 6 selfloop transitions, 1 changer transitions 8/78 dead transitions. [2021-03-24 19:40:16,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 78 transitions, 448 flow [2021-03-24 19:40:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:40:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:40:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2021-03-24 19:40:16,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8816326530612245 [2021-03-24 19:40:16,655 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 864 transitions. [2021-03-24 19:40:16,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 864 transitions. [2021-03-24 19:40:16,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:40:16,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 864 transitions. [2021-03-24 19:40:16,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2021-03-24 19:40:16,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:16,659 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 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) [2021-03-24 19:40:16,659 INFO L185 Difference]: Start difference. First operand has 81 places, 75 transitions, 410 flow. Second operand 5 states and 864 transitions. [2021-03-24 19:40:16,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 78 transitions, 448 flow [2021-03-24 19:40:16,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 78 transitions, 440 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 19:40:16,941 INFO L241 Difference]: Finished difference. Result has 85 places, 70 transitions, 369 flow [2021-03-24 19:40:16,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=85, PETRI_TRANSITIONS=70} [2021-03-24 19:40:16,942 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 24 predicate places. [2021-03-24 19:40:16,942 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 70 transitions, 369 flow [2021-03-24 19:40:16,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 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) [2021-03-24 19:40:16,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:40:16,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:40:16,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:40:16,943 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:40:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:40:16,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1272448750, now seen corresponding path program 3 times [2021-03-24 19:40:16,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:40:16,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301622718] [2021-03-24 19:40:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:40:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:40:16,986 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:40:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:40:17,047 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:40:17,078 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:40:17,078 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:40:17,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:40:17,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:40:17 BasicIcfg [2021-03-24 19:40:17,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:40:17,219 INFO L168 Benchmark]: Toolchain (without parser) took 11327.00 ms. Allocated memory was 255.9 MB in the beginning and 541.1 MB in the end (delta: 285.2 MB). Free memory was 232.8 MB in the beginning and 243.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 273.5 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,219 INFO L168 Benchmark]: CDTParser took 0.11 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. [2021-03-24 19:40:17,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.99 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 232.8 MB in the beginning and 309.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.23 ms. Allocated memory is still 350.2 MB. Free memory was 309.4 MB in the beginning and 307.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,222 INFO L168 Benchmark]: Boogie Preprocessor took 61.09 ms. Allocated memory is still 350.2 MB. Free memory was 307.4 MB in the beginning and 304.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,222 INFO L168 Benchmark]: RCFGBuilder took 1889.46 ms. Allocated memory is still 350.2 MB. Free memory was 304.5 MB in the beginning and 259.9 MB in the end (delta: 44.7 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,223 INFO L168 Benchmark]: TraceAbstraction took 8783.75 ms. Allocated memory was 350.2 MB in the beginning and 541.1 MB in the end (delta: 190.8 MB). Free memory was 259.9 MB in the beginning and 243.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 207.6 MB. Max. memory is 16.0 GB. [2021-03-24 19:40:17,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 508.99 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 232.8 MB in the beginning and 309.4 MB in the end (delta: -76.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.23 ms. Allocated memory is still 350.2 MB. Free memory was 309.4 MB in the beginning and 307.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 61.09 ms. Allocated memory is still 350.2 MB. Free memory was 307.4 MB in the beginning and 304.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1889.46 ms. Allocated memory is still 350.2 MB. Free memory was 304.5 MB in the beginning and 259.9 MB in the end (delta: 44.7 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8783.75 ms. Allocated memory was 350.2 MB in the beginning and 541.1 MB in the end (delta: 190.8 MB). Free memory was 259.9 MB in the beginning and 243.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 207.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3643.9ms, 127 PlacesBefore, 61 PlacesAfterwards, 116 TransitionsBefore, 49 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 5 FixpointIterations, 31 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 5194 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2703, positive: 2592, positive conditional: 0, positive unconditional: 2592, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1861, positive: 1808, positive conditional: 0, positive unconditional: 1808, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1861, positive: 1808, positive conditional: 0, positive unconditional: 1808, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1861, positive: 1791, positive conditional: 0, positive unconditional: 1791, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 802, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 753, negative conditional: 0, negative unconditional: 753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2703, positive: 784, positive conditional: 0, positive unconditional: 784, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 1861, unknown conditional: 0, unknown unconditional: 1861] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool b$flush_delayed; [L724] 0 int b$mem_tmp; [L725] 0 _Bool b$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0] [L726] 0 _Bool b$r_buff0_thd1; [L727] 0 _Bool b$r_buff0_thd2; [L728] 0 _Bool b$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0] [L729] 0 _Bool b$r_buff0_thd4; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0] [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0] [L734] 0 _Bool b$r_buff1_thd4; [L735] 0 _Bool b$read_delayed; [L736] 0 int *b$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}] [L737] 0 int b$w_buff0; [L738] 0 _Bool b$w_buff0_used; [L739] 0 int b$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0] [L740] 0 _Bool b$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t1137; [L872] FCALL, FORK 0 pthread_create(&t1137, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t1138; [L874] FCALL, FORK 0 pthread_create(&t1138, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t1139; [L876] FCALL, FORK 0 pthread_create(&t1139, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 b$w_buff0 = 1 [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L760] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L761] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L762] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L763] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L764] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L804] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L807] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L877] 0 pthread_t t1140; [L878] FCALL, FORK 0 pthread_create(&t1140, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L824] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L827] 4 a = 1 [L830] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 b$flush_delayed = weak$$choice2 [L836] 4 b$mem_tmp = b [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L837] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L838] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L838] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L839] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L840] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L840] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L841] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L842] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L843] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = b [L845] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L845] 4 b = b$flush_delayed ? b$mem_tmp : b [L846] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=2] [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L770] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L771] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L772] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L773] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L773] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L774] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L774] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L791] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L792] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L793] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L794] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L811] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L812] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L813] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L813] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L814] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L814] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L850] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L851] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L852] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L852] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L853] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L853] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L885] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L885] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L886] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L887] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L887] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L888] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L888] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8490.7ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3237.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3722.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 75 SDtfs, 62 SDslu, 97 SDs, 0 SdLazy, 323 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 344.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 265.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=8, InterpolantAutomatonStates: 60, 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: 44.8ms SsaConstructionTime, 487.7ms SatisfiabilityAnalysisTime, 712.7ms InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 incorrect! Received shutdown request...