/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix016_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:00:23,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:00:23,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:00:23,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:00:23,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:00:23,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:00:23,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:00:23,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:00:23,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:00:23,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:00:23,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:00:23,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:00:23,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:00:23,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:00:23,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:00:23,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:00:23,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:00:23,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:00:23,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:00:23,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:00:23,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:00:24,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:00:24,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:00:24,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:00:24,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:00:24,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:00:24,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:00:24,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:00:24,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:00:24,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:00:24,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:00:24,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:00:24,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:00:24,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:00:24,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:00:24,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:00:24,018 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:00:24,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:00:24,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:00:24,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:00:24,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:00:24,054 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:00:24,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:00:24,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:00:24,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:00:24,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:00:24,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:00:24,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:00:24,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:00:24,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:00:24,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:00:24,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:00:24,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:00:24,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:00:24,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:00:24,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:00:24,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:00:24,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:00:24,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:00:24,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:00:24,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:00:24,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:00:24,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:00:24,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:00:24,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:00:24,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:00:24,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:00:24,066 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:00:24,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:00:24,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:00:24,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:00:24,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:00:24,448 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:00:24,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016_pso.opt.i [2021-04-28 18:00:24,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697591155/8e6410602dcd43299edc22e30562e160/FLAGddf6cee93 [2021-04-28 18:00:25,299 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:00:25,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_pso.opt.i [2021-04-28 18:00:25,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697591155/8e6410602dcd43299edc22e30562e160/FLAGddf6cee93 [2021-04-28 18:00:25,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697591155/8e6410602dcd43299edc22e30562e160 [2021-04-28 18:00:25,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:00:25,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:00:25,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:00:25,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:00:25,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:00:25,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:00:25" (1/1) ... [2021-04-28 18:00:25,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d16cb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:25, skipping insertion in model container [2021-04-28 18:00:25,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:00:25" (1/1) ... [2021-04-28 18:00:25,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:00:25,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:00:25,962 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/mix016_pso.opt.i[948,961] [2021-04-28 18:00:26,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:00:26,185 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:00:26,200 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/mix016_pso.opt.i[948,961] [2021-04-28 18:00:26,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:00:26,458 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:00:26,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26 WrapperNode [2021-04-28 18:00:26,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:00:26,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:00:26,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:00:26,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:00:26,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:00:26,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:00:26,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:00:26,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:00:26,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... [2021-04-28 18:00:26,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:00:26,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:00:26,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:00:26,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:00:26,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:00:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:00:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:00:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:00:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:00:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:00:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:00:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:00:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:00:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:00:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:00:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:00:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:00:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:00:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:00:26,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:00:29,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:00:29,085 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:00:29,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:00:29 BoogieIcfgContainer [2021-04-28 18:00:29,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:00:29,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:00:29,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:00:29,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:00:29,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:00:25" (1/3) ... [2021-04-28 18:00:29,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d315f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:00:29, skipping insertion in model container [2021-04-28 18:00:29,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:00:26" (2/3) ... [2021-04-28 18:00:29,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d315f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:00:29, skipping insertion in model container [2021-04-28 18:00:29,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:00:29" (3/3) ... [2021-04-28 18:00:29,096 INFO L111 eAbstractionObserver]: Analyzing ICFG mix016_pso.opt.i [2021-04-28 18:00:29,103 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:00:29,108 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:00:29,109 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:00:29,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,162 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,180 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,185 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,185 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,186 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,186 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,186 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,187 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,187 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,187 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,217 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,217 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,221 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,227 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,228 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:00:29,235 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:00:29,258 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 18:00:29,282 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:00:29,282 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:00:29,282 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:00:29,282 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:00:29,283 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:00:29,283 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:00:29,283 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:00:29,283 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:00:29,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 18:00:29,342 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 18:00:29,342 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:00:29,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 18:00:29,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 18:00:29,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-28 18:00:29,354 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:00:29,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 18:00:29,372 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 18:00:29,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-28 18:00:29,400 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 18:00:29,400 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:00:29,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 18:00:29,404 INFO L146 LiptonReduction]: Number of co-enabled transitions 1566 [2021-04-28 18:00:32,151 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:00:32,638 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:00:32,801 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:00:47,367 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:00:48,567 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:48,766 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:48,870 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:00:49,616 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:00:50,865 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:00:50,995 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:00:51,126 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:00:51,251 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:00:51,366 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:51,488 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:51,602 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:51,715 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:51,862 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,005 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,153 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,326 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,468 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,612 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,757 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:52,903 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:53,278 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 18:00:53,454 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 18:00:53,832 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 18:00:54,018 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 18:00:54,134 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:54,243 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:54,364 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:54,485 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:54,626 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:54,802 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:54,946 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:55,088 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:55,204 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:55,319 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:55,441 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:55,556 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:00:55,694 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:00:55,832 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:00:55,970 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:00:56,110 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:00:56,257 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:56,403 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:56,547 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:56,694 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:00:56,816 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:56,938 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:57,062 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:57,187 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:57,337 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:00:57,448 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:00:57,557 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:00:57,671 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:00:58,037 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 18:00:58,205 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 18:00:58,563 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 18:00:58,735 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 18:00:58,841 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:58,947 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:59,051 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:59,157 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:00:59,281 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:59,403 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:59,526 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:59,651 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:00:59,794 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:00:59,967 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:01:00,124 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:01:00,280 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:01:00,426 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:01:00,576 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:01:00,726 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:01:00,878 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:01:00,929 INFO L158 LiptonReduction]: Checked pairs total: 15282 [2021-04-28 18:01:00,929 INFO L160 LiptonReduction]: Total number of compositions: 249 [2021-04-28 18:01:00,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31583 [2021-04-28 18:01:00,959 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 18:01:00,959 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:00,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:00,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:00,961 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:00,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:00,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1054622482, now seen corresponding path program 1 times [2021-04-28 18:01:00,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:00,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305884326] [2021-04-28 18:01:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:01,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305884326] [2021-04-28 18:01:01,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:01,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:01:01,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230056454] [2021-04-28 18:01:01,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:01:01,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:01,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:01:01,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:01:01,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 348 [2021-04-28 18:01:01,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:01,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:01,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 348 [2021-04-28 18:01:01,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:01,447 INFO L129 PetriNetUnfolder]: 13/157 cut-off events. [2021-04-28 18:01:01,447 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:01,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 157 events. 13/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 903 event pairs, 1 based on Foata normal form. 15/65 useless extension candidates. Maximal degree in co-relation 133. Up to 25 conditions per place. [2021-04-28 18:01:01,450 INFO L132 encePairwiseOnDemand]: 331/348 looper letters, 6 selfloop transitions, 2 changer transitions 58/121 dead transitions. [2021-04-28 18:01:01,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 121 transitions, 289 flow [2021-04-28 18:01:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:01:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:01:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2021-04-28 18:01:01,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8496168582375478 [2021-04-28 18:01:01,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 887 transitions. [2021-04-28 18:01:01,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 887 transitions. [2021-04-28 18:01:01,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:01,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 887 transitions. [2021-04-28 18:01:01,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:01,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:01,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:01,496 INFO L185 Difference]: Start difference. First operand has 132 places, 123 transitions, 255 flow. Second operand 3 states and 887 transitions. [2021-04-28 18:01:01,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 121 transitions, 289 flow [2021-04-28 18:01:01,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 121 transitions, 286 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 18:01:01,503 INFO L241 Difference]: Finished difference. Result has 128 places, 61 transitions, 132 flow [2021-04-28 18:01:01,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=128, PETRI_TRANSITIONS=61} [2021-04-28 18:01:01,506 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -4 predicate places. [2021-04-28 18:01:01,507 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:01,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 61 transitions, 132 flow [2021-04-28 18:01:01,507 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 61 transitions, 132 flow [2021-04-28 18:01:01,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 132 flow [2021-04-28 18:01:01,517 INFO L129 PetriNetUnfolder]: 0/61 cut-off events. [2021-04-28 18:01:01,517 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:01,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 298 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:01:01,519 INFO L146 LiptonReduction]: Number of co-enabled transitions 1736 [2021-04-28 18:01:02,424 INFO L158 LiptonReduction]: Checked pairs total: 2302 [2021-04-28 18:01:02,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:01:02,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 918 [2021-04-28 18:01:02,427 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 132 flow [2021-04-28 18:01:02,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:02,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:02,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:01:02,429 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:02,430 INFO L82 PathProgramCache]: Analyzing trace with hash -120017765, now seen corresponding path program 1 times [2021-04-28 18:01:02,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:02,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850800914] [2021-04-28 18:01:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:02,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850800914] [2021-04-28 18:01:02,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:02,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:01:02,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305313020] [2021-04-28 18:01:02,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:01:02,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:01:02,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:01:02,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 348 [2021-04-28 18:01:02,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:02,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 348 [2021-04-28 18:01:02,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:02,722 INFO L129 PetriNetUnfolder]: 21/208 cut-off events. [2021-04-28 18:01:02,722 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:02,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 208 events. 21/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1505 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 278. Up to 47 conditions per place. [2021-04-28 18:01:02,724 INFO L132 encePairwiseOnDemand]: 343/348 looper letters, 1 selfloop transitions, 2 changer transitions 54/82 dead transitions. [2021-04-28 18:01:02,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 82 transitions, 268 flow [2021-04-28 18:01:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:01:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:01:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2021-04-28 18:01:02,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7030651340996169 [2021-04-28 18:01:02,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2021-04-28 18:01:02,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2021-04-28 18:01:02,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:02,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2021-04-28 18:01:02,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 348.0) internal successors, (1392), 4 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,735 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 132 flow. Second operand 3 states and 734 transitions. [2021-04-28 18:01:02,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 82 transitions, 268 flow [2021-04-28 18:01:02,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 82 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:01:02,738 INFO L241 Difference]: Finished difference. Result has 71 places, 28 transitions, 70 flow [2021-04-28 18:01:02,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=71, PETRI_TRANSITIONS=28} [2021-04-28 18:01:02,739 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -61 predicate places. [2021-04-28 18:01:02,739 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:02,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 28 transitions, 70 flow [2021-04-28 18:01:02,740 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 28 transitions, 70 flow [2021-04-28 18:01:02,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 70 flow [2021-04-28 18:01:02,746 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 18:01:02,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:02,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 56 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:01:02,747 INFO L146 LiptonReduction]: Number of co-enabled transitions 422 [2021-04-28 18:01:02,909 INFO L158 LiptonReduction]: Checked pairs total: 509 [2021-04-28 18:01:02,910 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:01:02,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-04-28 18:01:02,912 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 70 flow [2021-04-28 18:01:02,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:02,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:02,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:02,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:01:02,913 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:02,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:02,914 INFO L82 PathProgramCache]: Analyzing trace with hash 626986598, now seen corresponding path program 1 times [2021-04-28 18:01:02,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:02,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259620832] [2021-04-28 18:01:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:03,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:03,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:03,096 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:01:03,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:01:03,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:01:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:03,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259620832] [2021-04-28 18:01:03,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:03,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:01:03,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99429245] [2021-04-28 18:01:03,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:01:03,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:03,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:01:03,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:01:03,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 348 [2021-04-28 18:01:03,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:03,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 348 [2021-04-28 18:01:03,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:03,268 INFO L129 PetriNetUnfolder]: 432/764 cut-off events. [2021-04-28 18:01:03,268 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:01:03,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1526 conditions, 764 events. 432/764 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 4999 event pairs, 216 based on Foata normal form. 64/425 useless extension candidates. Maximal degree in co-relation 1516. Up to 541 conditions per place. [2021-04-28 18:01:03,278 INFO L132 encePairwiseOnDemand]: 336/348 looper letters, 11 selfloop transitions, 10 changer transitions 19/56 dead transitions. [2021-04-28 18:01:03,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 56 transitions, 206 flow [2021-04-28 18:01:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:01:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:01:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1222 transitions. [2021-04-28 18:01:03,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7022988505747126 [2021-04-28 18:01:03,284 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1222 transitions. [2021-04-28 18:01:03,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1222 transitions. [2021-04-28 18:01:03,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:03,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1222 transitions. [2021-04-28 18:01:03,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 244.4) internal successors, (1222), 5 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 348.0) internal successors, (2088), 6 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,296 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 348.0) internal successors, (2088), 6 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,296 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 70 flow. Second operand 5 states and 1222 transitions. [2021-04-28 18:01:03,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 56 transitions, 206 flow [2021-04-28 18:01:03,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 56 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:01:03,299 INFO L241 Difference]: Finished difference. Result has 43 places, 37 transitions, 156 flow [2021-04-28 18:01:03,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=156, PETRI_PLACES=43, PETRI_TRANSITIONS=37} [2021-04-28 18:01:03,299 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -89 predicate places. [2021-04-28 18:01:03,300 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:03,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 37 transitions, 156 flow [2021-04-28 18:01:03,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 37 transitions, 156 flow [2021-04-28 18:01:03,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 156 flow [2021-04-28 18:01:03,380 INFO L129 PetriNetUnfolder]: 351/615 cut-off events. [2021-04-28 18:01:03,380 INFO L130 PetriNetUnfolder]: For 172/199 co-relation queries the response was YES. [2021-04-28 18:01:03,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1705 conditions, 615 events. 351/615 cut-off events. For 172/199 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 3790 event pairs, 189 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 1694. Up to 478 conditions per place. [2021-04-28 18:01:03,389 INFO L146 LiptonReduction]: Number of co-enabled transitions 476 [2021-04-28 18:01:03,394 INFO L158 LiptonReduction]: Checked pairs total: 608 [2021-04-28 18:01:03,394 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:01:03,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-04-28 18:01:03,401 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 37 transitions, 156 flow [2021-04-28 18:01:03,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:03,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:03,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:01:03,402 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:03,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash -204997351, now seen corresponding path program 1 times [2021-04-28 18:01:03,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:03,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479450118] [2021-04-28 18:01:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:03,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:03,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:03,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:03,540 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:01:03,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:01:03,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:03,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:01:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:03,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479450118] [2021-04-28 18:01:03,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:03,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:01:03,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749270781] [2021-04-28 18:01:03,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:01:03,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:03,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:01:03,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:01:03,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 348 [2021-04-28 18:01:03,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 37 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:03,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 348 [2021-04-28 18:01:03,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:03,745 INFO L129 PetriNetUnfolder]: 324/628 cut-off events. [2021-04-28 18:01:03,745 INFO L130 PetriNetUnfolder]: For 272/953 co-relation queries the response was YES. [2021-04-28 18:01:03,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 628 events. 324/628 cut-off events. For 272/953 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 3726 event pairs, 54 based on Foata normal form. 70/380 useless extension candidates. Maximal degree in co-relation 2296. Up to 505 conditions per place. [2021-04-28 18:01:03,750 INFO L132 encePairwiseOnDemand]: 336/348 looper letters, 11 selfloop transitions, 19 changer transitions 19/65 dead transitions. [2021-04-28 18:01:03,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 65 transitions, 420 flow [2021-04-28 18:01:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:01:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:01:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1467 transitions. [2021-04-28 18:01:03,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7025862068965517 [2021-04-28 18:01:03,756 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1467 transitions. [2021-04-28 18:01:03,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1467 transitions. [2021-04-28 18:01:03,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:03,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1467 transitions. [2021-04-28 18:01:03,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,772 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,772 INFO L185 Difference]: Start difference. First operand has 41 places, 37 transitions, 156 flow. Second operand 6 states and 1467 transitions. [2021-04-28 18:01:03,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 65 transitions, 420 flow [2021-04-28 18:01:03,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 408 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:01:03,783 INFO L241 Difference]: Finished difference. Result has 47 places, 46 transitions, 296 flow [2021-04-28 18:01:03,783 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2021-04-28 18:01:03,783 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -85 predicate places. [2021-04-28 18:01:03,783 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:03,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 46 transitions, 296 flow [2021-04-28 18:01:03,784 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 46 transitions, 296 flow [2021-04-28 18:01:03,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 46 transitions, 296 flow [2021-04-28 18:01:03,843 INFO L129 PetriNetUnfolder]: 243/483 cut-off events. [2021-04-28 18:01:03,844 INFO L130 PetriNetUnfolder]: For 508/878 co-relation queries the response was YES. [2021-04-28 18:01:03,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 483 events. 243/483 cut-off events. For 508/878 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2892 event pairs, 54 based on Foata normal form. 2/266 useless extension candidates. Maximal degree in co-relation 2015. Up to 361 conditions per place. [2021-04-28 18:01:03,849 INFO L146 LiptonReduction]: Number of co-enabled transitions 476 [2021-04-28 18:01:03,859 INFO L158 LiptonReduction]: Checked pairs total: 821 [2021-04-28 18:01:03,859 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:01:03,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-28 18:01:03,863 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 296 flow [2021-04-28 18:01:03,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:03,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:03,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:03,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:01:03,865 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:03,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:03,865 INFO L82 PathProgramCache]: Analyzing trace with hash 968698464, now seen corresponding path program 1 times [2021-04-28 18:01:03,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:03,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921426233] [2021-04-28 18:01:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:04,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:01:04,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:04,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:04,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921426233] [2021-04-28 18:01:04,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:04,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:01:04,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605902982] [2021-04-28 18:01:04,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:01:04,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:04,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:01:04,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:01:04,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 348 [2021-04-28 18:01:04,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 296 flow. Second operand has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:04,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 348 [2021-04-28 18:01:04,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:04,172 INFO L129 PetriNetUnfolder]: 495/961 cut-off events. [2021-04-28 18:01:04,173 INFO L130 PetriNetUnfolder]: For 1269/3279 co-relation queries the response was YES. [2021-04-28 18:01:04,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4200 conditions, 961 events. 495/961 cut-off events. For 1269/3279 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 6392 event pairs, 108 based on Foata normal form. 56/555 useless extension candidates. Maximal degree in co-relation 4184. Up to 745 conditions per place. [2021-04-28 18:01:04,181 INFO L132 encePairwiseOnDemand]: 345/348 looper letters, 4 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2021-04-28 18:01:04,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 314 flow [2021-04-28 18:01:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:01:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:01:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 871 transitions. [2021-04-28 18:01:04,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6257183908045977 [2021-04-28 18:01:04,185 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 871 transitions. [2021-04-28 18:01:04,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 871 transitions. [2021-04-28 18:01:04,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:04,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 871 transitions. [2021-04-28 18:01:04,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 348.0) internal successors, (1740), 5 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,193 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 348.0) internal successors, (1740), 5 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,193 INFO L185 Difference]: Start difference. First operand has 45 places, 46 transitions, 296 flow. Second operand 4 states and 871 transitions. [2021-04-28 18:01:04,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 314 flow [2021-04-28 18:01:04,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 236 flow, removed 29 selfloop flow, removed 4 redundant places. [2021-04-28 18:01:04,220 INFO L241 Difference]: Finished difference. Result has 46 places, 47 transitions, 231 flow [2021-04-28 18:01:04,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=231, PETRI_PLACES=46, PETRI_TRANSITIONS=47} [2021-04-28 18:01:04,220 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -86 predicate places. [2021-04-28 18:01:04,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:04,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 47 transitions, 231 flow [2021-04-28 18:01:04,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 47 transitions, 231 flow [2021-04-28 18:01:04,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 47 transitions, 231 flow [2021-04-28 18:01:04,330 INFO L129 PetriNetUnfolder]: 486/943 cut-off events. [2021-04-28 18:01:04,330 INFO L130 PetriNetUnfolder]: For 755/992 co-relation queries the response was YES. [2021-04-28 18:01:04,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3109 conditions, 943 events. 486/943 cut-off events. For 755/992 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 6732 event pairs, 108 based on Foata normal form. 3/483 useless extension candidates. Maximal degree in co-relation 3096. Up to 730 conditions per place. [2021-04-28 18:01:04,340 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-28 18:01:04,571 INFO L158 LiptonReduction]: Checked pairs total: 576 [2021-04-28 18:01:04,571 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:01:04,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-04-28 18:01:04,575 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 47 transitions, 231 flow [2021-04-28 18:01:04,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:04,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:04,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:01:04,576 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:04,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1422740072, now seen corresponding path program 1 times [2021-04-28 18:01:04,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:04,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778202210] [2021-04-28 18:01:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:04,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:04,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 18:01:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 18:01:04,725 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:01:04,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:01:04,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:04,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:01:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:04,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778202210] [2021-04-28 18:01:04,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:04,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:01:04,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044340754] [2021-04-28 18:01:04,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:01:04,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:04,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:01:04,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:01:04,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 348 [2021-04-28 18:01:04,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 47 transitions, 231 flow. Second operand has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:04,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 348 [2021-04-28 18:01:04,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:04,945 INFO L129 PetriNetUnfolder]: 270/655 cut-off events. [2021-04-28 18:01:04,945 INFO L130 PetriNetUnfolder]: For 452/2330 co-relation queries the response was YES. [2021-04-28 18:01:04,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2721 conditions, 655 events. 270/655 cut-off events. For 452/2330 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 4461 event pairs, 0 based on Foata normal form. 120/439 useless extension candidates. Maximal degree in co-relation 2706. Up to 541 conditions per place. [2021-04-28 18:01:04,949 INFO L132 encePairwiseOnDemand]: 336/348 looper letters, 2 selfloop transitions, 28 changer transitions 12/57 dead transitions. [2021-04-28 18:01:04,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 57 transitions, 389 flow [2021-04-28 18:01:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:01:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:01:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1694 transitions. [2021-04-28 18:01:04,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6954022988505747 [2021-04-28 18:01:04,956 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1694 transitions. [2021-04-28 18:01:04,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1694 transitions. [2021-04-28 18:01:04,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:04,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1694 transitions. [2021-04-28 18:01:04,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 348.0) internal successors, (2784), 8 states have internal predecessors, (2784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,968 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 348.0) internal successors, (2784), 8 states have internal predecessors, (2784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:04,968 INFO L185 Difference]: Start difference. First operand has 46 places, 47 transitions, 231 flow. Second operand 7 states and 1694 transitions. [2021-04-28 18:01:04,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 57 transitions, 389 flow [2021-04-28 18:01:04,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 57 transitions, 348 flow, removed 19 selfloop flow, removed 2 redundant places. [2021-04-28 18:01:04,977 INFO L241 Difference]: Finished difference. Result has 53 places, 45 transitions, 280 flow [2021-04-28 18:01:04,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=280, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2021-04-28 18:01:04,977 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -79 predicate places. [2021-04-28 18:01:04,977 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:04,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 45 transitions, 280 flow [2021-04-28 18:01:04,978 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 45 transitions, 280 flow [2021-04-28 18:01:04,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 280 flow [2021-04-28 18:01:05,008 INFO L129 PetriNetUnfolder]: 90/263 cut-off events. [2021-04-28 18:01:05,009 INFO L130 PetriNetUnfolder]: For 196/439 co-relation queries the response was YES. [2021-04-28 18:01:05,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 263 events. 90/263 cut-off events. For 196/439 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1509 event pairs, 0 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 961. Up to 181 conditions per place. [2021-04-28 18:01:05,012 INFO L146 LiptonReduction]: Number of co-enabled transitions 334 [2021-04-28 18:01:06,045 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-28 18:01:06,462 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-04-28 18:01:08,544 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-28 18:01:09,433 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-04-28 18:01:09,686 INFO L158 LiptonReduction]: Checked pairs total: 917 [2021-04-28 18:01:09,686 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:01:09,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4709 [2021-04-28 18:01:09,688 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 282 flow [2021-04-28 18:01:09,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:09,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:09,689 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] [2021-04-28 18:01:09,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:01:09,690 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:09,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:09,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1392793551, now seen corresponding path program 1 times [2021-04-28 18:01:09,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:09,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809104209] [2021-04-28 18:01:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:09,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:09,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:01:09,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:09,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:01:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:09,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809104209] [2021-04-28 18:01:09,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:09,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:01:09,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811816737] [2021-04-28 18:01:09,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:01:09,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:09,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:01:09,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:01:09,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 349 [2021-04-28 18:01:09,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 45 transitions, 282 flow. Second operand has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:09,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:09,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 349 [2021-04-28 18:01:09,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:09,850 INFO L129 PetriNetUnfolder]: 180/485 cut-off events. [2021-04-28 18:01:09,851 INFO L130 PetriNetUnfolder]: For 417/699 co-relation queries the response was YES. [2021-04-28 18:01:09,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 485 events. 180/485 cut-off events. For 417/699 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 3149 event pairs, 0 based on Foata normal form. 28/263 useless extension candidates. Maximal degree in co-relation 1876. Up to 361 conditions per place. [2021-04-28 18:01:09,854 INFO L132 encePairwiseOnDemand]: 346/349 looper letters, 3 selfloop transitions, 1 changer transitions 1/46 dead transitions. [2021-04-28 18:01:09,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 46 transitions, 294 flow [2021-04-28 18:01:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:01:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:01:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 854 transitions. [2021-04-28 18:01:09,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6117478510028653 [2021-04-28 18:01:09,858 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 854 transitions. [2021-04-28 18:01:09,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 854 transitions. [2021-04-28 18:01:09,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:09,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 854 transitions. [2021-04-28 18:01:09,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.5) internal successors, (854), 4 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:09,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:09,865 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:09,865 INFO L185 Difference]: Start difference. First operand has 49 places, 45 transitions, 282 flow. Second operand 4 states and 854 transitions. [2021-04-28 18:01:09,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 46 transitions, 294 flow [2021-04-28 18:01:09,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 212 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-04-28 18:01:09,872 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 207 flow [2021-04-28 18:01:09,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=207, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2021-04-28 18:01:09,873 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -85 predicate places. [2021-04-28 18:01:09,873 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:09,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 45 transitions, 207 flow [2021-04-28 18:01:09,873 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 45 transitions, 207 flow [2021-04-28 18:01:09,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 45 transitions, 207 flow [2021-04-28 18:01:09,901 INFO L129 PetriNetUnfolder]: 99/291 cut-off events. [2021-04-28 18:01:09,901 INFO L130 PetriNetUnfolder]: For 119/125 co-relation queries the response was YES. [2021-04-28 18:01:09,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 291 events. 99/291 cut-off events. For 119/125 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1641 event pairs, 0 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 709. Up to 118 conditions per place. [2021-04-28 18:01:09,904 INFO L146 LiptonReduction]: Number of co-enabled transitions 312 [2021-04-28 18:01:10,017 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:01:10,131 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:01:10,326 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 18:01:10,532 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 18:01:10,570 INFO L158 LiptonReduction]: Checked pairs total: 781 [2021-04-28 18:01:10,571 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 18:01:10,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 698 [2021-04-28 18:01:10,572 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 45 transitions, 210 flow [2021-04-28 18:01:10,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:10,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:10,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:10,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:01:10,573 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:10,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:10,574 INFO L82 PathProgramCache]: Analyzing trace with hash -320038179, now seen corresponding path program 1 times [2021-04-28 18:01:10,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:10,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295508049] [2021-04-28 18:01:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:01:10,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:01:10,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:01:10,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-28 18:01:10,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-28 18:01:10,730 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.6 percent of original size [2021-04-28 18:01:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 18:01:10,773 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-04-28 18:01:10,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 18:01:10,788 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-04-28 18:01:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 18:01:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:01:10,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295508049] [2021-04-28 18:01:10,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:01:10,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:01:10,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333420457] [2021-04-28 18:01:10,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:01:10,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:01:10,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:01:10,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:01:10,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 351 [2021-04-28 18:01:10,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 45 transitions, 210 flow. Second operand has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:10,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:01:10,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 351 [2021-04-28 18:01:10,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:01:11,068 INFO L129 PetriNetUnfolder]: 193/524 cut-off events. [2021-04-28 18:01:11,068 INFO L130 PetriNetUnfolder]: For 298/304 co-relation queries the response was YES. [2021-04-28 18:01:11,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 524 events. 193/524 cut-off events. For 298/304 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 3569 event pairs, 0 based on Foata normal form. 28/293 useless extension candidates. Maximal degree in co-relation 1381. Up to 217 conditions per place. [2021-04-28 18:01:11,071 INFO L132 encePairwiseOnDemand]: 344/351 looper letters, 1 selfloop transitions, 5 changer transitions 8/49 dead transitions. [2021-04-28 18:01:11,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 49 transitions, 246 flow [2021-04-28 18:01:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 18:01:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 18:01:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1308 transitions. [2021-04-28 18:01:11,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4658119658119658 [2021-04-28 18:01:11,078 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1308 transitions. [2021-04-28 18:01:11,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1308 transitions. [2021-04-28 18:01:11,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:01:11,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1308 transitions. [2021-04-28 18:01:11,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 163.5) internal successors, (1308), 8 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:11,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 351.0) internal successors, (3159), 9 states have internal predecessors, (3159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:11,093 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 351.0) internal successors, (3159), 9 states have internal predecessors, (3159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:11,093 INFO L185 Difference]: Start difference. First operand has 46 places, 45 transitions, 210 flow. Second operand 8 states and 1308 transitions. [2021-04-28 18:01:11,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 49 transitions, 246 flow [2021-04-28 18:01:11,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 242 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:01:11,097 INFO L241 Difference]: Finished difference. Result has 52 places, 41 transitions, 208 flow [2021-04-28 18:01:11,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=208, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2021-04-28 18:01:11,097 INFO L343 CegarLoopForPetriNet]: 132 programPoint places, -80 predicate places. [2021-04-28 18:01:11,098 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:01:11,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 41 transitions, 208 flow [2021-04-28 18:01:11,098 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 41 transitions, 208 flow [2021-04-28 18:01:11,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 41 transitions, 208 flow [2021-04-28 18:01:11,127 INFO L129 PetriNetUnfolder]: 108/284 cut-off events. [2021-04-28 18:01:11,127 INFO L130 PetriNetUnfolder]: For 133/136 co-relation queries the response was YES. [2021-04-28 18:01:11,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 284 events. 108/284 cut-off events. For 133/136 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1595 event pairs, 0 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 782. Up to 136 conditions per place. [2021-04-28 18:01:11,130 INFO L146 LiptonReduction]: Number of co-enabled transitions 174 [2021-04-28 18:01:11,979 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-04-28 18:01:12,146 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-28 18:01:14,159 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 330 DAG size of output: 228 [2021-04-28 18:01:14,588 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-04-28 18:01:14,852 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:01:14,955 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:01:15,476 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:01:15,683 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:01:15,973 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:01:16,079 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:01:16,611 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:01:16,823 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:01:17,086 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:17,195 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:17,698 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:01:17,899 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:01:18,175 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:01:18,288 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:01:18,818 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2021-04-28 18:01:19,040 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:01:19,333 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:19,451 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:19,980 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:01:20,185 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:01:20,505 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:20,638 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:21,169 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:01:21,385 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:01:21,712 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:21,828 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:22,427 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-04-28 18:01:22,655 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:01:22,957 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:23,075 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:23,686 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2021-04-28 18:01:23,955 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:01:24,269 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 18:01:24,388 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:01:24,942 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 18:01:25,155 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:01:25,234 INFO L158 LiptonReduction]: Checked pairs total: 145 [2021-04-28 18:01:25,234 INFO L160 LiptonReduction]: Total number of compositions: 10 [2021-04-28 18:01:25,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14136 [2021-04-28 18:01:25,235 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 235 flow [2021-04-28 18:01:25,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:01:25,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:01:25,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:01:25,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:01:25,237 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:01:25,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:01:25,237 INFO L82 PathProgramCache]: Analyzing trace with hash -682336327, now seen corresponding path program 1 times [2021-04-28 18:01:25,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:01:25,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312870172] [2021-04-28 18:01:25,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:01:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:01:25,301 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:01:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:01:25,368 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:01:25,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:01:25,408 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:01:25,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:01:25,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:01:25 BasicIcfg [2021-04-28 18:01:25,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:01:25,515 INFO L168 Benchmark]: Toolchain (without parser) took 59967.66 ms. Allocated memory was 302.0 MB in the beginning and 964.7 MB in the end (delta: 662.7 MB). Free memory was 275.5 MB in the beginning and 565.5 MB in the end (delta: -289.9 MB). Peak memory consumption was 375.2 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,517 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:01:25,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.31 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 267.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.24 ms. Allocated memory is still 302.0 MB. Free memory was 267.2 MB in the beginning and 264.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,520 INFO L168 Benchmark]: Boogie Preprocessor took 42.14 ms. Allocated memory is still 302.0 MB. Free memory was 264.2 MB in the beginning and 261.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,521 INFO L168 Benchmark]: RCFGBuilder took 2521.32 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 261.1 MB in the beginning and 215.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,522 INFO L168 Benchmark]: TraceAbstraction took 56425.18 ms. Allocated memory was 362.8 MB in the beginning and 964.7 MB in the end (delta: 601.9 MB). Free memory was 215.0 MB in the beginning and 565.5 MB in the end (delta: -350.5 MB). Peak memory consumption was 251.4 MB. Max. memory is 16.0 GB. [2021-04-28 18:01:25,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 861.31 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 267.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.24 ms. Allocated memory is still 302.0 MB. Free memory was 267.2 MB in the beginning and 264.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.14 ms. Allocated memory is still 302.0 MB. Free memory was 264.2 MB in the beginning and 261.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2521.32 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 261.1 MB in the beginning and 215.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 56425.18 ms. Allocated memory was 362.8 MB in the beginning and 964.7 MB in the end (delta: 601.9 MB). Free memory was 215.0 MB in the beginning and 565.5 MB in the end (delta: -350.5 MB). Peak memory consumption was 251.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31557.1ms, 104 PlacesBefore, 132 PlacesAfterwards, 96 TransitionsBefore, 123 TransitionsAfterwards, 1566 CoEnabledTransitionPairs, 9 FixpointIterations, 160 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 249 TotalNumberOfCompositions, 15282 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5316, positive: 5040, positive conditional: 5040, positive unconditional: 0, negative: 276, negative conditional: 276, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2124, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2124, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2124, positive: 2029, positive conditional: 0, positive unconditional: 2029, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1081, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 958, negative conditional: 0, negative unconditional: 958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5316, positive: 2972, positive conditional: 2972, positive unconditional: 0, negative: 220, negative conditional: 220, negative unconditional: 0, unknown: 2124, unknown conditional: 2124, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2113, Positive cache size: 2063, Positive conditional cache size: 2063, Positive unconditional cache size: 0, Negative cache size: 50, Negative conditional cache size: 50, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 917.6ms, 128 PlacesBefore, 70 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 1736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2302 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 526, positive: 450, positive conditional: 450, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 214, positive: 186, positive conditional: 31, positive unconditional: 155, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 214, positive: 186, positive conditional: 31, positive unconditional: 155, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 214, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 889, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 889, negative conditional: 149, negative unconditional: 740, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 526, positive: 264, positive conditional: 264, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 214, unknown conditional: 214, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2327, Positive cache size: 2249, Positive conditional cache size: 2249, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.0ms, 71 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 509 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 190, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 41, positive conditional: 4, positive unconditional: 37, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, positive: 41, positive conditional: 4, positive unconditional: 37, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 145, negative conditional: 48, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 190, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2379, Positive cache size: 2290, Positive conditional cache size: 2290, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.6ms, 43 PlacesBefore, 41 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 242, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 17, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 17, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 242, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2433, Positive cache size: 2344, Positive conditional cache size: 2344, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.0ms, 47 PlacesBefore, 45 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 821 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 376, positive conditional: 376, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, positive: 80, positive conditional: 76, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, positive: 80, positive conditional: 76, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 296, positive conditional: 296, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2513, Positive cache size: 2424, Positive conditional cache size: 2424, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 350.2ms, 46 PlacesBefore, 46 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 254, positive: 229, positive conditional: 229, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 66, positive conditional: 56, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, positive: 66, positive conditional: 56, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 73, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 221, negative conditional: 0, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 254, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2586, Positive cache size: 2490, Positive conditional cache size: 2490, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4708.3ms, 53 PlacesBefore, 49 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 334 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 917 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, positive: 66, positive conditional: 50, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 71, positive: 66, positive conditional: 50, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 71, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 173, positive conditional: 173, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2657, Positive cache size: 2556, Positive conditional cache size: 2556, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.2ms, 47 PlacesBefore, 46 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 406, positive: 364, positive conditional: 364, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 406, positive: 307, positive conditional: 307, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2714, Positive cache size: 2613, Positive conditional cache size: 2613, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14136.1ms, 52 PlacesBefore, 46 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 174 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 145 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2745, Positive cache size: 2643, Positive conditional cache size: 2643, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L843] 0 pthread_t t418; [L844] FCALL, FORK 0 pthread_create(&t418, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t419; [L846] FCALL, FORK 0 pthread_create(&t419, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] 0 pthread_t t420; [L848] FCALL, FORK 0 pthread_create(&t420, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L803] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L804] 3 y$flush_delayed = weak$$choice2 [L805] 3 y$mem_tmp = y [L806] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L806] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L806] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L807] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L807] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L808] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L808] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L809] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L809] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L810] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L811] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L812] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L812] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 __unbuffered_p2_EAX = y [L814] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L814] 3 y = y$flush_delayed ? y$mem_tmp : y [L815] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 [L750] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 1 [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L821] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L822] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L823] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L824] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L825] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L854] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L854] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L855] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L856] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L857] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L858] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 56131.4ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1604.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 31659.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 44 SDtfs, 43 SDslu, 18 SDs, 0 SdLazy, 313 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 380.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 246.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45.3ms SsaConstructionTime, 561.8ms SatisfiabilityAnalysisTime, 713.5ms InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...