/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/mix031_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:03:04,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:03:04,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:03:04,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:03:04,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:03:04,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:03:04,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:03:04,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:03:04,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:03:04,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:03:04,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:03:04,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:03:04,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:03:04,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:03:04,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:03:04,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:03:04,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:03:04,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:03:04,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:03:04,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:03:04,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:03:04,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:03:04,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:03:04,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:03:04,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 20:03:04,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 20:03:04,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 20:03:04,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 20:03:04,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 20:03:04,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 20:03:04,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:03:04,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:03:04,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:03:04,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:03:04,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:03:04,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:03:04,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:03:04,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:03:04,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:03:04,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:03:04,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:03:04,771 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 20:03:04,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:03:04,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:03:04,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:03:04,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:03:04,802 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:03:04,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:03:04,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:03:04,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:03:04,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:03:04,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:03:04,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:03:04,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:03:04,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:03:04,805 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:03:04,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:03:04,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:03:04,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:03:04,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:03:04,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:03:04,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:03:04,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:03:04,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:03:04,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:03:04,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:03:04,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:03:04,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:03:04,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:03:04,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:03:04,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:03:04,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:03:04,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:03:05,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:03:05,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:03:05,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:03:05,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:03:05,206 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:03:05,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031_power.opt.i [2021-04-28 20:03:05,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035caae49/6615968def22489db906a7f4e9a55b3f/FLAGe0a32e8a2 [2021-04-28 20:03:06,025 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:03:06,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031_power.opt.i [2021-04-28 20:03:06,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035caae49/6615968def22489db906a7f4e9a55b3f/FLAGe0a32e8a2 [2021-04-28 20:03:06,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035caae49/6615968def22489db906a7f4e9a55b3f [2021-04-28 20:03:06,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:03:06,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:03:06,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:03:06,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:03:06,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:03:06,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:03:06" (1/1) ... [2021-04-28 20:03:06,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a272791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:06, skipping insertion in model container [2021-04-28 20:03:06,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:03:06" (1/1) ... [2021-04-28 20:03:06,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:03:06,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:03:06,590 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/mix031_power.opt.i[993,1006] [2021-04-28 20:03:06,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:03:06,897 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:03:06,912 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031_power.opt.i[993,1006] [2021-04-28 20:03:06,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:03:07,125 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:03:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07 WrapperNode [2021-04-28 20:03:07,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:03:07,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:03:07,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:03:07,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:03:07,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:03:07,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:03:07,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:03:07,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:03:07,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (1/1) ... [2021-04-28 20:03:07,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:03:07,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:03:07,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:03:07,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:03:07,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (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 20:03:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:03:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:03:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:03:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:03:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:03:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:03:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:03:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:03:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:03:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:03:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:03:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:03:07,417 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 20:03:09,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:03:09,449 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:03:09,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:03:09 BoogieIcfgContainer [2021-04-28 20:03:09,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:03:09,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:03:09,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:03:09,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:03:09,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:03:06" (1/3) ... [2021-04-28 20:03:09,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbbbebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:03:09, skipping insertion in model container [2021-04-28 20:03:09,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:03:07" (2/3) ... [2021-04-28 20:03:09,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbbbebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:03:09, skipping insertion in model container [2021-04-28 20:03:09,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:03:09" (3/3) ... [2021-04-28 20:03:09,466 INFO L111 eAbstractionObserver]: Analyzing ICFG mix031_power.opt.i [2021-04-28 20:03:09,475 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:03:09,480 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:03:09,481 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:03:09,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,558 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,558 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,559 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,559 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,578 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:03:09,581 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:03:09,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 20:03:09,631 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:03:09,631 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:03:09,631 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:03:09,631 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:03:09,632 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:03:09,632 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:03:09,632 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:03:09,632 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:03:09,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 186 flow [2021-04-28 20:03:09,692 INFO L129 PetriNetUnfolder]: 2/86 cut-off events. [2021-04-28 20:03:09,692 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:09,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-04-28 20:03:09,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 88 transitions, 186 flow [2021-04-28 20:03:09,702 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 86 transitions, 178 flow [2021-04-28 20:03:09,704 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:09,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 86 transitions, 178 flow [2021-04-28 20:03:09,727 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 86 transitions, 178 flow [2021-04-28 20:03:09,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 86 transitions, 178 flow [2021-04-28 20:03:09,755 INFO L129 PetriNetUnfolder]: 2/86 cut-off events. [2021-04-28 20:03:09,755 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:09,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-04-28 20:03:09,760 INFO L146 LiptonReduction]: Number of co-enabled transitions 1124 [2021-04-28 20:03:10,435 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-28 20:03:11,105 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-04-28 20:03:11,333 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:03:14,763 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:03:14,879 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:03:15,131 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:15,391 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:24,640 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 20:03:24,745 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 20:03:24,847 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 20:03:25,456 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:03:25,565 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:03:25,672 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:03:25,781 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:03:26,945 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:03:27,093 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:03:27,237 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:03:27,379 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:03:27,905 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:28,071 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:28,234 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:28,424 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:03:29,186 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:03:29,299 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:03:29,415 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:03:29,531 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:03:29,648 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:03:29,766 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:03:29,886 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:03:30,005 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:03:30,115 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:30,224 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:30,338 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:30,448 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:30,781 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:03:30,895 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:03:31,009 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:03:31,127 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:03:31,249 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:03:31,392 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:03:31,535 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:03:31,680 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:03:31,828 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:03:32,268 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:03:32,395 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:03:32,527 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:03:32,653 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:03:32,779 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:32,909 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:33,033 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:33,199 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:33,376 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:03:33,544 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:03:33,716 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:03:33,892 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:03:34,729 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:03:34,834 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:03:35,038 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:03:35,168 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:35,299 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:35,423 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:35,551 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:03:36,106 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:36,290 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:36,481 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:36,664 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:36,776 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:36,883 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:36,992 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:37,099 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:37,290 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:37,475 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:37,668 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:37,858 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:38,040 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:03:38,227 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:03:38,417 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:03:38,606 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:03:39,118 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 20:03:39,343 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 20:03:39,828 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 20:03:40,057 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 20:03:40,516 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 20:03:40,730 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 20:03:41,194 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 20:03:41,441 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 20:03:41,619 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:03:41,797 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:03:41,973 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:03:42,147 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:03:42,339 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:42,531 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:42,727 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:42,922 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:43,098 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:03:43,269 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:03:43,440 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:03:43,616 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:03:43,654 INFO L158 LiptonReduction]: Checked pairs total: 9313 [2021-04-28 20:03:43,654 INFO L160 LiptonReduction]: Total number of compositions: 213 [2021-04-28 20:03:43,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33956 [2021-04-28 20:03:43,681 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 20:03:43,681 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:43,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:43,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 20:03:43,683 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:43,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:43,689 INFO L82 PathProgramCache]: Analyzing trace with hash 936426243, now seen corresponding path program 1 times [2021-04-28 20:03:43,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:43,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272245751] [2021-04-28 20:03:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:43,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:43,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:43,971 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 20:03:43,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272245751] [2021-04-28 20:03:43,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:43,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:03:43,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886588944] [2021-04-28 20:03:43,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:03:43,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:43,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:03:44,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:03:44,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 301 [2021-04-28 20:03:44,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 20:03:44,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:44,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 301 [2021-04-28 20:03:44,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:44,108 INFO L129 PetriNetUnfolder]: 17/149 cut-off events. [2021-04-28 20:03:44,109 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:44,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 149 events. 17/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 859 event pairs, 1 based on Foata normal form. 18/70 useless extension candidates. Maximal degree in co-relation 139. Up to 33 conditions per place. [2021-04-28 20:03:44,112 INFO L132 encePairwiseOnDemand]: 285/301 looper letters, 5 selfloop transitions, 4 changer transitions 48/103 dead transitions. [2021-04-28 20:03:44,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 103 transitions, 248 flow [2021-04-28 20:03:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:03:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:03:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2021-04-28 20:03:44,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8172757475083057 [2021-04-28 20:03:44,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2021-04-28 20:03:44,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2021-04-28 20:03:44,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:44,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2021-04-28 20:03:44,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 20:03:44,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 301.0) internal successors, (1204), 4 states have internal predecessors, (1204), 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 20:03:44,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 301.0) internal successors, (1204), 4 states have internal predecessors, (1204), 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 20:03:44,167 INFO L185 Difference]: Start difference. First operand has 111 places, 105 transitions, 216 flow. Second operand 3 states and 738 transitions. [2021-04-28 20:03:44,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 103 transitions, 248 flow [2021-04-28 20:03:44,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 103 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:03:44,176 INFO L241 Difference]: Finished difference. Result has 108 places, 53 transitions, 118 flow [2021-04-28 20:03:44,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=301, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=108, PETRI_TRANSITIONS=53} [2021-04-28 20:03:44,179 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -3 predicate places. [2021-04-28 20:03:44,179 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:44,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 53 transitions, 118 flow [2021-04-28 20:03:44,181 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 53 transitions, 118 flow [2021-04-28 20:03:44,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 53 transitions, 118 flow [2021-04-28 20:03:44,193 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 20:03:44,193 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:44,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 254 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:03:44,195 INFO L146 LiptonReduction]: Number of co-enabled transitions 1308 [2021-04-28 20:03:45,569 INFO L158 LiptonReduction]: Checked pairs total: 3080 [2021-04-28 20:03:45,569 INFO L160 LiptonReduction]: Total number of compositions: 18 [2021-04-28 20:03:45,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1391 [2021-04-28 20:03:45,572 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 118 flow [2021-04-28 20:03:45,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 20:03:45,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:45,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:45,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:03:45,574 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:45,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1262235983, now seen corresponding path program 1 times [2021-04-28 20:03:45,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:45,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058202621] [2021-04-28 20:03:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:45,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:03:45,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:03:45,770 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-04-28 20:03:45,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 20:03:45,792 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 20:03:45,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058202621] [2021-04-28 20:03:45,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:45,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:03:45,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223620673] [2021-04-28 20:03:45,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:03:45,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:45,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:03:45,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:03:45,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 319 [2021-04-28 20:03:45,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 20:03:45,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:45,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 319 [2021-04-28 20:03:45,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:46,114 INFO L129 PetriNetUnfolder]: 258/1032 cut-off events. [2021-04-28 20:03:46,117 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:03:46,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1032 events. 258/1032 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 10214 event pairs, 106 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 1597. Up to 272 conditions per place. [2021-04-28 20:03:46,124 INFO L132 encePairwiseOnDemand]: 295/319 looper letters, 5 selfloop transitions, 3 changer transitions 42/79 dead transitions. [2021-04-28 20:03:46,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 79 transitions, 270 flow [2021-04-28 20:03:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:03:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:03:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 953 transitions. [2021-04-28 20:03:46,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5974921630094044 [2021-04-28 20:03:46,131 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 953 transitions. [2021-04-28 20:03:46,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 953 transitions. [2021-04-28 20:03:46,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:46,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 953 transitions. [2021-04-28 20:03:46,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 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 20:03:46,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 319.0) internal successors, (1914), 6 states have internal predecessors, (1914), 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 20:03:46,142 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 319.0) internal successors, (1914), 6 states have internal predecessors, (1914), 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 20:03:46,142 INFO L185 Difference]: Start difference. First operand has 60 places, 53 transitions, 118 flow. Second operand 5 states and 953 transitions. [2021-04-28 20:03:46,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 79 transitions, 270 flow [2021-04-28 20:03:46,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 79 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:03:46,145 INFO L241 Difference]: Finished difference. Result has 64 places, 37 transitions, 101 flow [2021-04-28 20:03:46,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=101, PETRI_PLACES=64, PETRI_TRANSITIONS=37} [2021-04-28 20:03:46,146 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -47 predicate places. [2021-04-28 20:03:46,146 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:46,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 37 transitions, 101 flow [2021-04-28 20:03:46,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 37 transitions, 101 flow [2021-04-28 20:03:46,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 37 transitions, 101 flow [2021-04-28 20:03:46,158 INFO L129 PetriNetUnfolder]: 10/71 cut-off events. [2021-04-28 20:03:46,158 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-28 20:03:46,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 71 events. 10/71 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 293 event pairs, 6 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 105. Up to 19 conditions per place. [2021-04-28 20:03:46,160 INFO L146 LiptonReduction]: Number of co-enabled transitions 696 [2021-04-28 20:03:46,167 INFO L158 LiptonReduction]: Checked pairs total: 278 [2021-04-28 20:03:46,167 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:03:46,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-04-28 20:03:46,169 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 37 transitions, 101 flow [2021-04-28 20:03:46,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 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 20:03:46,170 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:46,170 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:46,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:03:46,171 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash 474750845, now seen corresponding path program 1 times [2021-04-28 20:03:46,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:46,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653432497] [2021-04-28 20:03:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:46,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:46,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:03:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:03:46,261 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 20:03:46,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653432497] [2021-04-28 20:03:46,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:46,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:03:46,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471261991] [2021-04-28 20:03:46,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:03:46,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:46,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:03:46,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:03:46,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 319 [2021-04-28 20:03:46,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 20:03:46,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:46,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 319 [2021-04-28 20:03:46,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:46,303 INFO L129 PetriNetUnfolder]: 11/63 cut-off events. [2021-04-28 20:03:46,303 INFO L130 PetriNetUnfolder]: For 23/30 co-relation queries the response was YES. [2021-04-28 20:03:46,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 63 events. 11/63 cut-off events. For 23/30 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 246 event pairs, 3 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 121. Up to 24 conditions per place. [2021-04-28 20:03:46,304 INFO L132 encePairwiseOnDemand]: 316/319 looper letters, 6 selfloop transitions, 3 changer transitions 3/38 dead transitions. [2021-04-28 20:03:46,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 123 flow [2021-04-28 20:03:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:03:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:03:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2021-04-28 20:03:46,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7115987460815048 [2021-04-28 20:03:46,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:46,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 20:03:46,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 319.0) internal successors, (1276), 4 states have internal predecessors, (1276), 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 20:03:46,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 319.0) internal successors, (1276), 4 states have internal predecessors, (1276), 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 20:03:46,317 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 101 flow. Second operand 3 states and 681 transitions. [2021-04-28 20:03:46,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 123 flow [2021-04-28 20:03:46,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 38 transitions, 120 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:03:46,319 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 103 flow [2021-04-28 20:03:46,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-04-28 20:03:46,320 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -65 predicate places. [2021-04-28 20:03:46,320 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:46,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 103 flow [2021-04-28 20:03:46,323 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 103 flow [2021-04-28 20:03:46,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 103 flow [2021-04-28 20:03:46,334 INFO L129 PetriNetUnfolder]: 5/58 cut-off events. [2021-04-28 20:03:46,334 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-04-28 20:03:46,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 58 events. 5/58 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 226 event pairs, 2 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 89. Up to 14 conditions per place. [2021-04-28 20:03:46,338 INFO L146 LiptonReduction]: Number of co-enabled transitions 568 [2021-04-28 20:03:46,437 INFO L158 LiptonReduction]: Checked pairs total: 261 [2021-04-28 20:03:46,437 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:03:46,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-04-28 20:03:46,439 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 103 flow [2021-04-28 20:03:46,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 20:03:46,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:46,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:46,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:03:46,441 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:46,441 INFO L82 PathProgramCache]: Analyzing trace with hash 478645251, now seen corresponding path program 1 times [2021-04-28 20:03:46,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:46,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362198667] [2021-04-28 20:03:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:46,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:46,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:46,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:03:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:03:46,573 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 20:03:46,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362198667] [2021-04-28 20:03:46,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:46,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:03:46,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139895710] [2021-04-28 20:03:46,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:03:46,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:46,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:03:46,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:03:46,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 319 [2021-04-28 20:03:46,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 20:03:46,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:46,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 319 [2021-04-28 20:03:46,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:46,607 INFO L129 PetriNetUnfolder]: 8/58 cut-off events. [2021-04-28 20:03:46,607 INFO L130 PetriNetUnfolder]: For 39/45 co-relation queries the response was YES. [2021-04-28 20:03:46,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 58 events. 8/58 cut-off events. For 39/45 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 212 event pairs, 6 based on Foata normal form. 4/39 useless extension candidates. Maximal degree in co-relation 112. Up to 19 conditions per place. [2021-04-28 20:03:46,608 INFO L132 encePairwiseOnDemand]: 316/319 looper letters, 6 selfloop transitions, 3 changer transitions 2/35 dead transitions. [2021-04-28 20:03:46,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 35 transitions, 125 flow [2021-04-28 20:03:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:03:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:03:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2021-04-28 20:03:46,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7115987460815048 [2021-04-28 20:03:46,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:46,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2021-04-28 20:03:46,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 20:03:46,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 319.0) internal successors, (1276), 4 states have internal predecessors, (1276), 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 20:03:46,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 319.0) internal successors, (1276), 4 states have internal predecessors, (1276), 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 20:03:46,619 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 103 flow. Second operand 3 states and 681 transitions. [2021-04-28 20:03:46,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 35 transitions, 125 flow [2021-04-28 20:03:46,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 35 transitions, 119 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:03:46,621 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 104 flow [2021-04-28 20:03:46,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-04-28 20:03:46,621 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -67 predicate places. [2021-04-28 20:03:46,622 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:46,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 104 flow [2021-04-28 20:03:46,622 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 104 flow [2021-04-28 20:03:46,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 104 flow [2021-04-28 20:03:46,630 INFO L129 PetriNetUnfolder]: 4/49 cut-off events. [2021-04-28 20:03:46,630 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 20:03:46,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 49 events. 4/49 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 189 event pairs, 2 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 77. Up to 11 conditions per place. [2021-04-28 20:03:46,631 INFO L146 LiptonReduction]: Number of co-enabled transitions 478 [2021-04-28 20:03:46,634 INFO L158 LiptonReduction]: Checked pairs total: 237 [2021-04-28 20:03:46,634 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:03:46,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-04-28 20:03:46,635 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 104 flow [2021-04-28 20:03:46,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 20:03:46,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:46,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:46,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:03:46,641 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:46,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1980326776, now seen corresponding path program 1 times [2021-04-28 20:03:46,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:46,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685232342] [2021-04-28 20:03:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:03:46,711 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 20:03:46,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685232342] [2021-04-28 20:03:46,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:46,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:03:46,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545118558] [2021-04-28 20:03:46,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:03:46,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:46,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:03:46,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:03:46,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 319 [2021-04-28 20:03:46,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 202.75) internal successors, (811), 4 states have internal predecessors, (811), 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 20:03:46,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:46,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 319 [2021-04-28 20:03:46,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:46,852 INFO L129 PetriNetUnfolder]: 298/814 cut-off events. [2021-04-28 20:03:46,853 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-04-28 20:03:46,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 814 events. 298/814 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 6744 event pairs, 11 based on Foata normal form. 25/183 useless extension candidates. Maximal degree in co-relation 1649. Up to 421 conditions per place. [2021-04-28 20:03:46,857 INFO L132 encePairwiseOnDemand]: 305/319 looper letters, 23 selfloop transitions, 16 changer transitions 0/53 dead transitions. [2021-04-28 20:03:46,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 53 transitions, 224 flow [2021-04-28 20:03:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:03:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:03:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 844 transitions. [2021-04-28 20:03:46,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6614420062695925 [2021-04-28 20:03:46,862 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 844 transitions. [2021-04-28 20:03:46,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 844 transitions. [2021-04-28 20:03:46,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:46,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 844 transitions. [2021-04-28 20:03:46,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 20:03:46,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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 20:03:46,871 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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 20:03:46,871 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 104 flow. Second operand 4 states and 844 transitions. [2021-04-28 20:03:46,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 53 transitions, 224 flow [2021-04-28 20:03:46,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:03:46,875 INFO L241 Difference]: Finished difference. Result has 45 places, 46 transitions, 212 flow [2021-04-28 20:03:46,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=45, PETRI_TRANSITIONS=46} [2021-04-28 20:03:46,875 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -66 predicate places. [2021-04-28 20:03:46,876 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:46,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 46 transitions, 212 flow [2021-04-28 20:03:46,876 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 46 transitions, 212 flow [2021-04-28 20:03:46,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 46 transitions, 212 flow [2021-04-28 20:03:46,928 INFO L129 PetriNetUnfolder]: 103/514 cut-off events. [2021-04-28 20:03:46,928 INFO L130 PetriNetUnfolder]: For 85/142 co-relation queries the response was YES. [2021-04-28 20:03:46,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 514 events. 103/514 cut-off events. For 85/142 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 5083 event pairs, 11 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 1339. Up to 340 conditions per place. [2021-04-28 20:03:46,935 INFO L146 LiptonReduction]: Number of co-enabled transitions 576 [2021-04-28 20:03:47,029 INFO L158 LiptonReduction]: Checked pairs total: 272 [2021-04-28 20:03:47,029 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:03:47,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-04-28 20:03:47,031 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 212 flow [2021-04-28 20:03:47,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 202.75) internal successors, (811), 4 states have internal predecessors, (811), 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 20:03:47,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:47,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:47,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:03:47,032 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash 384919169, now seen corresponding path program 1 times [2021-04-28 20:03:47,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:47,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028740267] [2021-04-28 20:03:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:47,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:47,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:47,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:03:47,128 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 20:03:47,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028740267] [2021-04-28 20:03:47,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:47,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:03:47,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191118650] [2021-04-28 20:03:47,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:03:47,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:47,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:03:47,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:03:47,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 319 [2021-04-28 20:03:47,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 202.8) internal successors, (1014), 5 states have internal predecessors, (1014), 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 20:03:47,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:47,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 319 [2021-04-28 20:03:47,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:47,326 INFO L129 PetriNetUnfolder]: 190/748 cut-off events. [2021-04-28 20:03:47,326 INFO L130 PetriNetUnfolder]: For 262/2742 co-relation queries the response was YES. [2021-04-28 20:03:47,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2582 conditions, 748 events. 190/748 cut-off events. For 262/2742 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 7044 event pairs, 2 based on Foata normal form. 26/184 useless extension candidates. Maximal degree in co-relation 2566. Up to 484 conditions per place. [2021-04-28 20:03:47,332 INFO L132 encePairwiseOnDemand]: 305/319 looper letters, 19 selfloop transitions, 14 changer transitions 9/56 dead transitions. [2021-04-28 20:03:47,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 56 transitions, 340 flow [2021-04-28 20:03:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:03:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:03:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-04-28 20:03:47,337 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6557993730407523 [2021-04-28 20:03:47,337 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-04-28 20:03:47,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-04-28 20:03:47,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:47,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-04-28 20:03:47,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 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 20:03:47,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 319.0) internal successors, (1914), 6 states have internal predecessors, (1914), 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 20:03:47,346 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 319.0) internal successors, (1914), 6 states have internal predecessors, (1914), 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 20:03:47,347 INFO L185 Difference]: Start difference. First operand has 45 places, 46 transitions, 212 flow. Second operand 5 states and 1046 transitions. [2021-04-28 20:03:47,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 56 transitions, 340 flow [2021-04-28 20:03:47,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 310 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 20:03:47,352 INFO L241 Difference]: Finished difference. Result has 48 places, 46 transitions, 257 flow [2021-04-28 20:03:47,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=257, PETRI_PLACES=48, PETRI_TRANSITIONS=46} [2021-04-28 20:03:47,353 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -63 predicate places. [2021-04-28 20:03:47,353 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:47,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 46 transitions, 257 flow [2021-04-28 20:03:47,353 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 46 transitions, 257 flow [2021-04-28 20:03:47,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 46 transitions, 257 flow [2021-04-28 20:03:47,420 INFO L129 PetriNetUnfolder]: 157/619 cut-off events. [2021-04-28 20:03:47,420 INFO L130 PetriNetUnfolder]: For 493/667 co-relation queries the response was YES. [2021-04-28 20:03:47,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 619 events. 157/619 cut-off events. For 493/667 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 6004 event pairs, 2 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 2269. Up to 451 conditions per place. [2021-04-28 20:03:47,427 INFO L146 LiptonReduction]: Number of co-enabled transitions 422 [2021-04-28 20:03:47,472 INFO L158 LiptonReduction]: Checked pairs total: 246 [2021-04-28 20:03:47,472 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:03:47,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-04-28 20:03:47,474 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 257 flow [2021-04-28 20:03:47,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 202.8) internal successors, (1014), 5 states have internal predecessors, (1014), 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 20:03:47,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:47,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:47,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:03:47,475 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash -460498851, now seen corresponding path program 1 times [2021-04-28 20:03:47,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:47,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392454669] [2021-04-28 20:03:47,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:47,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:03:47,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:47,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:47,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:47,548 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 20:03:47,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392454669] [2021-04-28 20:03:47,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:47,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:03:47,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863361447] [2021-04-28 20:03:47,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:03:47,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:47,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:03:47,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:03:47,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 319 [2021-04-28 20:03:47,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 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 20:03:47,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:47,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 319 [2021-04-28 20:03:47,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:47,698 INFO L129 PetriNetUnfolder]: 310/1050 cut-off events. [2021-04-28 20:03:47,698 INFO L130 PetriNetUnfolder]: For 1463/3443 co-relation queries the response was YES. [2021-04-28 20:03:47,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3975 conditions, 1050 events. 310/1050 cut-off events. For 1463/3443 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 10947 event pairs, 2 based on Foata normal form. 9/269 useless extension candidates. Maximal degree in co-relation 3958. Up to 820 conditions per place. [2021-04-28 20:03:47,704 INFO L132 encePairwiseOnDemand]: 316/319 looper letters, 3 selfloop transitions, 1 changer transitions 19/47 dead transitions. [2021-04-28 20:03:47,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 47 transitions, 271 flow [2021-04-28 20:03:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:03:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:03:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 842 transitions. [2021-04-28 20:03:47,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6598746081504702 [2021-04-28 20:03:47,708 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 842 transitions. [2021-04-28 20:03:47,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 842 transitions. [2021-04-28 20:03:47,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:47,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 842 transitions. [2021-04-28 20:03:47,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 210.5) internal successors, (842), 4 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:03:47,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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 20:03:47,715 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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 20:03:47,715 INFO L185 Difference]: Start difference. First operand has 47 places, 46 transitions, 257 flow. Second operand 4 states and 842 transitions. [2021-04-28 20:03:47,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 47 transitions, 271 flow [2021-04-28 20:03:47,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 47 transitions, 250 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-28 20:03:47,738 INFO L241 Difference]: Finished difference. Result has 50 places, 28 transitions, 153 flow [2021-04-28 20:03:47,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=319, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=153, PETRI_PLACES=50, PETRI_TRANSITIONS=28} [2021-04-28 20:03:47,738 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -61 predicate places. [2021-04-28 20:03:47,738 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:47,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 28 transitions, 153 flow [2021-04-28 20:03:47,739 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 28 transitions, 153 flow [2021-04-28 20:03:47,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 28 transitions, 153 flow [2021-04-28 20:03:47,751 INFO L129 PetriNetUnfolder]: 9/70 cut-off events. [2021-04-28 20:03:47,751 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-04-28 20:03:47,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 70 events. 9/70 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 262 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 207. Up to 28 conditions per place. [2021-04-28 20:03:47,752 INFO L146 LiptonReduction]: Number of co-enabled transitions 114 [2021-04-28 20:03:47,960 INFO L158 LiptonReduction]: Checked pairs total: 109 [2021-04-28 20:03:47,960 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 20:03:47,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-04-28 20:03:47,962 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 156 flow [2021-04-28 20:03:47,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 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 20:03:47,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:47,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:47,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:03:47,963 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:47,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:47,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2004848177, now seen corresponding path program 2 times [2021-04-28 20:03:47,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:47,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243050712] [2021-04-28 20:03:47,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:03:48,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:48,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:03:48,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-28 20:03:48,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 20:03:48,115 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-04-28 20:03:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-28 20:03:48,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:03:48,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:03:48,149 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 20:03:48,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243050712] [2021-04-28 20:03:48,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:03:48,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:03:48,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371112828] [2021-04-28 20:03:48,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:03:48,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:03:48,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:03:48,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:03:48,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 321 [2021-04-28 20:03:48,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 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 20:03:48,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:03:48,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 321 [2021-04-28 20:03:48,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:03:48,269 INFO L129 PetriNetUnfolder]: 18/114 cut-off events. [2021-04-28 20:03:48,269 INFO L130 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2021-04-28 20:03:48,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 114 events. 18/114 cut-off events. For 113/114 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 587 event pairs, 0 based on Foata normal form. 9/84 useless extension candidates. Maximal degree in co-relation 396. Up to 55 conditions per place. [2021-04-28 20:03:48,270 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 4 selfloop transitions, 2 changer transitions 5/31 dead transitions. [2021-04-28 20:03:48,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 31 transitions, 192 flow [2021-04-28 20:03:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:03:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:03:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1049 transitions. [2021-04-28 20:03:48,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5446521287642783 [2021-04-28 20:03:48,275 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1049 transitions. [2021-04-28 20:03:48,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1049 transitions. [2021-04-28 20:03:48,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:03:48,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1049 transitions. [2021-04-28 20:03:48,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 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 20:03:48,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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 20:03:48,285 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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 20:03:48,285 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 156 flow. Second operand 6 states and 1049 transitions. [2021-04-28 20:03:48,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 31 transitions, 192 flow [2021-04-28 20:03:48,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 122 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-04-28 20:03:48,288 INFO L241 Difference]: Finished difference. Result has 41 places, 26 transitions, 102 flow [2021-04-28 20:03:48,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=102, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2021-04-28 20:03:48,288 INFO L343 CegarLoopForPetriNet]: 111 programPoint places, -70 predicate places. [2021-04-28 20:03:48,289 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:48,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 26 transitions, 102 flow [2021-04-28 20:03:48,289 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 26 transitions, 102 flow [2021-04-28 20:03:48,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 102 flow [2021-04-28 20:03:48,299 INFO L129 PetriNetUnfolder]: 9/67 cut-off events. [2021-04-28 20:03:48,299 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 20:03:48,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 67 events. 9/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 266 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 124. Up to 18 conditions per place. [2021-04-28 20:03:48,300 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-28 20:03:48,421 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:48,541 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:03:48,843 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:49,100 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:03:49,103 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 20:03:49,103 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:03:49,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 815 [2021-04-28 20:03:49,105 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 103 flow [2021-04-28 20:03:49,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 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 20:03:49,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:03:49,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:03:49,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:03:49,106 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:03:49,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:03:49,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1780276115, now seen corresponding path program 1 times [2021-04-28 20:03:49,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:03:49,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425085621] [2021-04-28 20:03:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:03:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:03:49,149 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:03:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:03:49,200 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:03:49,235 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:03:49,235 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:03:49,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:03:49,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:03:49 BasicIcfg [2021-04-28 20:03:49,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:03:49,329 INFO L168 Benchmark]: Toolchain (without parser) took 43084.90 ms. Allocated memory was 302.0 MB in the beginning and 767.6 MB in the end (delta: 465.6 MB). Free memory was 276.4 MB in the beginning and 493.8 MB in the end (delta: -217.4 MB). Peak memory consumption was 249.5 MB. Max. memory is 16.0 GB. [2021-04-28 20:03:49,330 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:03:49,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.61 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 281.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:03:49,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.05 ms. Allocated memory is still 302.0 MB. Free memory was 281.3 MB in the beginning and 278.9 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:03:49,333 INFO L168 Benchmark]: Boogie Preprocessor took 73.59 ms. Allocated memory is still 302.0 MB. Free memory was 278.9 MB in the beginning and 276.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:03:49,333 INFO L168 Benchmark]: RCFGBuilder took 2175.93 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.8 MB in the beginning and 330.1 MB in the end (delta: -53.3 MB). Peak memory consumption was 174.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:03:49,334 INFO L168 Benchmark]: TraceAbstraction took 39871.14 ms. Allocated memory was 362.8 MB in the beginning and 767.6 MB in the end (delta: 404.8 MB). Free memory was 329.1 MB in the beginning and 493.8 MB in the end (delta: -164.7 MB). Peak memory consumption was 241.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:03:49,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 827.61 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 281.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 70.05 ms. Allocated memory is still 302.0 MB. Free memory was 281.3 MB in the beginning and 278.9 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 73.59 ms. Allocated memory is still 302.0 MB. Free memory was 278.9 MB in the beginning and 276.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2175.93 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.8 MB in the beginning and 330.1 MB in the end (delta: -53.3 MB). Peak memory consumption was 174.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 39871.14 ms. Allocated memory was 362.8 MB in the beginning and 767.6 MB in the end (delta: 404.8 MB). Free memory was 329.1 MB in the beginning and 493.8 MB in the end (delta: -164.7 MB). Peak memory consumption was 241.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33927.4ms, 91 PlacesBefore, 111 PlacesAfterwards, 86 TransitionsBefore, 105 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 8 FixpointIterations, 136 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 213 TotalNumberOfCompositions, 9313 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3027, positive: 2833, positive conditional: 2833, positive unconditional: 0, negative: 194, negative conditional: 194, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1367, positive: 1319, positive conditional: 0, positive unconditional: 1319, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1367, positive: 1319, positive conditional: 0, positive unconditional: 1319, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1367, positive: 1289, positive conditional: 0, positive unconditional: 1289, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1005, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 894, negative conditional: 0, negative unconditional: 894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3027, positive: 1514, positive conditional: 1514, positive unconditional: 0, negative: 146, negative conditional: 146, negative unconditional: 0, unknown: 1367, unknown conditional: 1367, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1360, Positive cache size: 1312, Positive conditional cache size: 1312, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1388.2ms, 108 PlacesBefore, 60 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1308 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 18 TotalNumberOfCompositions, 3080 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 790, positive: 688, positive conditional: 688, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, positive: 330, positive conditional: 36, positive unconditional: 294, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, positive: 330, positive conditional: 36, positive unconditional: 294, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 355, positive: 330, positive conditional: 0, positive unconditional: 330, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 790, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 77, negative conditional: 77, negative unconditional: 0, unknown: 355, unknown conditional: 355, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1715, Positive cache size: 1642, Positive conditional cache size: 1642, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.7ms, 64 PlacesBefore, 44 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 278 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 1650, Positive conditional cache size: 1650, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.3ms, 46 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 261 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1726, Positive cache size: 1650, Positive conditional cache size: 1650, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 44 PlacesBefore, 42 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 478 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 237 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, 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: 4, positive: 4, positive conditional: 2, positive unconditional: 2, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 34, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1730, Positive cache size: 1654, Positive conditional cache size: 1654, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.0ms, 45 PlacesBefore, 45 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 272 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1751, Positive cache size: 1673, Positive conditional cache size: 1673, 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: 118.9ms, 48 PlacesBefore, 47 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 11, positive unconditional: 6, 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: 17, positive: 17, positive conditional: 11, positive unconditional: 6, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 104, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1768, Positive cache size: 1690, Positive conditional cache size: 1690, 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: 221.8ms, 50 PlacesBefore, 42 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 109 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 6, positive unconditional: 9, 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: 15, positive: 15, positive conditional: 6, positive unconditional: 9, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 91, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1783, Positive cache size: 1705, Positive conditional cache size: 1705, 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: 814.5ms, 41 PlacesBefore, 36 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 1783, Positive cache size: 1705, Positive conditional cache size: 1705, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: 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_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int a = 0; [L720] 0 _Bool main$tmp_guard0; [L721] 0 _Bool main$tmp_guard1; [L723] 0 int x = 0; [L725] 0 int y = 0; [L726] 0 _Bool y$flush_delayed; [L727] 0 int y$mem_tmp; [L728] 0 _Bool y$r_buff0_thd0; [L729] 0 _Bool y$r_buff0_thd1; [L730] 0 _Bool y$r_buff0_thd2; [L731] 0 _Bool y$r_buff1_thd0; [L732] 0 _Bool y$r_buff1_thd1; [L733] 0 _Bool y$r_buff1_thd2; [L734] 0 _Bool y$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; [L823] 0 pthread_t t835; [L824] FCALL, FORK 0 pthread_create(&t835, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L825] 0 pthread_t t836; [L826] FCALL, FORK 0 pthread_create(&t836, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L781] 2 y$w_buff1 = y$w_buff0 [L782] 2 y$w_buff0 = 1 [L783] 2 y$w_buff1_used = y$w_buff0_used [L784] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L786] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L787] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L788] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L789] 2 y$r_buff0_thd2 = (_Bool)1 [L792] 2 z = 1 [L795] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L798] 2 __unbuffered_p1_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L747] 1 a = 1 [L750] 1 x = 1 [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L756] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L757] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L758] 1 y$flush_delayed = weak$$choice2 [L759] 1 y$mem_tmp = y [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L760] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L761] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L761] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L761] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L761] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L762] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L762] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L763] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L763] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L763] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L764] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L765] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L765] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L766] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L766] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] 1 __unbuffered_p0_EBX = y [L768] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L768] 1 y = y$flush_delayed ? y$mem_tmp : y [L769] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L776] 1 return 0; [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L801] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L802] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L803] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L804] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L805] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L808] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L4] COND FALSE 0 !(!cond) [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L832] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L832] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L833] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L833] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L834] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L835] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L836] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L839] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 39611.1ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1343.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34035.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 36 SDslu, 25 SDs, 0 SdLazy, 174 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 335.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 183.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=6, InterpolantAutomatonStates: 33, 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: 35.8ms SsaConstructionTime, 317.5ms SatisfiabilityAnalysisTime, 661.3ms InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 445 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...