/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 11:05:26,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 11:05:26,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 11:05:26,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 11:05:26,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 11:05:26,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 11:05:26,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 11:05:26,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 11:05:26,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 11:05:26,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 11:05:26,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 11:05:26,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 11:05:26,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 11:05:26,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 11:05:26,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 11:05:26,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 11:05:26,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 11:05:26,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 11:05:26,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 11:05:26,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 11:05:26,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 11:05:26,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 11:05:26,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 11:05:26,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 11:05:26,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 11:05:26,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 11:05:26,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 11:05:26,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 11:05:26,542 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-VariableLbe.epf [2021-03-24 11:05:26,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 11:05:26,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 11:05:26,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 11:05:26,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 11:05:26,583 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 11:05:26,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 11:05:26,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 11:05:26,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 11:05:26,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 11:05:26,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 11:05:26,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 11:05:26,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 11:05:26,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:05:26,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 11:05:26,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 11:05:26,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 11:05:26,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 11:05:26,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 11:05:26,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 11:05:26,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 11:05:26,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 11:05:26,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 11:05:26,932 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 11:05:26,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-03-24 11:05:26,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273a1d1f/2f904062501c4414b75a9317e6d153b2/FLAG7e3301384 [2021-03-24 11:05:27,557 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 11:05:27,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-03-24 11:05:27,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273a1d1f/2f904062501c4414b75a9317e6d153b2/FLAG7e3301384 [2021-03-24 11:05:27,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273a1d1f/2f904062501c4414b75a9317e6d153b2 [2021-03-24 11:05:27,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 11:05:27,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 11:05:27,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:27,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 11:05:27,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 11:05:27,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1908953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27, skipping insertion in model container [2021-03-24 11:05:27,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 11:05:28,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 11:05:28,193 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/safe023_rmo.opt.i[992,1005] [2021-03-24 11:05:28,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:28,405 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 11:05:28,415 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/safe023_rmo.opt.i[992,1005] [2021-03-24 11:05:28,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:28,546 INFO L208 MainTranslator]: Completed translation [2021-03-24 11:05:28,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28 WrapperNode [2021-03-24 11:05:28,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:28,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:28,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 11:05:28,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 11:05:28,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:28,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 11:05:28,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 11:05:28,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 11:05:28,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... [2021-03-24 11:05:28,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 11:05:28,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 11:05:28,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 11:05:28,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 11:05:28,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:05:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 11:05:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 11:05:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 11:05:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 11:05:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 11:05:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 11:05:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 11:05:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 11:05:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 11:05:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 11:05:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 11:05:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 11:05:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 11:05:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 11:05:28,760 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 11:05:31,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 11:05:31,755 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 11:05:31,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:31 BoogieIcfgContainer [2021-03-24 11:05:31,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 11:05:31,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 11:05:31,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 11:05:31,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 11:05:31,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 11:05:27" (1/3) ... [2021-03-24 11:05:31,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41da8c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:31, skipping insertion in model container [2021-03-24 11:05:31,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:28" (2/3) ... [2021-03-24 11:05:31,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41da8c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:31, skipping insertion in model container [2021-03-24 11:05:31,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:31" (3/3) ... [2021-03-24 11:05:31,764 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_rmo.opt.i [2021-03-24 11:05:31,769 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 11:05:31,773 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 11:05:31,774 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,835 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,866 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 11:05:31,881 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 11:05:31,912 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 11:05:31,912 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 11:05:31,912 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 11:05:31,912 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 11:05:31,912 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 11:05:31,913 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 11:05:31,913 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 11:05:31,913 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 11:05:31,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:31,954 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:31,954 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:31,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:31,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:31,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,963 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 11:05:31,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,972 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,992 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:31,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:31,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:31,995 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-24 11:05:32,702 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 11:05:33,073 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-24 11:05:33,192 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-24 11:05:34,578 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 11:05:34,948 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 11:05:36,292 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 11:05:36,989 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 11:05:37,385 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-24 11:05:37,385 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-24 11:05:37,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5425 [2021-03-24 11:05:37,394 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 11:05:37,395 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:37,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:37,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:37,396 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:37,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-24 11:05:37,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:37,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970866523] [2021-03-24 11:05:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970866523] [2021-03-24 11:05:37,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:05:37,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525673666] [2021-03-24 11:05:37,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:05:37,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:05:37,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:05:37,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:37,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:37,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:37,766 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-24 11:05:37,766 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:37,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-24 11:05:37,775 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-24 11:05:37,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:05:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:05:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-24 11:05:37,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-24 11:05:37,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-24 11:05:37,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-24 11:05:37,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:37,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-24 11:05:37,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,809 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-24 11:05:37,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:37,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 11:05:37,813 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:37,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-24 11:05:37,816 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-24 11:05:37,816 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:37,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:37,817 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:37,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 11:05:37,817 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:37,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:37,817 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-24 11:05:37,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:37,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394827795] [2021-03-24 11:05:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:37,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394827795] [2021-03-24 11:05:37,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:37,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51083385] [2021-03-24 11:05:37,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:37,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:37,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:37,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 161 [2021-03-24 11:05:37,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 161 [2021-03-24 11:05:37,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,019 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2021-03-24 11:05:38,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:38,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2021-03-24 11:05:38,020 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 9/41 dead transitions. [2021-03-24 11:05:38,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:38,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 721 transitions. [2021-03-24 11:05:38,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435 [2021-03-24 11:05:38,023 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 721 transitions. [2021-03-24 11:05:38,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 721 transitions. [2021-03-24 11:05:38,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 721 transitions. [2021-03-24 11:05:38,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,028 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,029 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 5 states and 721 transitions. [2021-03-24 11:05:38,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:38,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:05:38,030 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:38,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-03-24 11:05:38,031 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2021-03-24 11:05:38,031 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:38,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:38,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 11:05:38,032 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1433297591, now seen corresponding path program 1 times [2021-03-24 11:05:38,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767348406] [2021-03-24 11:05:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:38,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:38,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767348406] [2021-03-24 11:05:38,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:38,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:38,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714788980] [2021-03-24 11:05:38,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:38,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:38,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 161 [2021-03-24 11:05:38,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:38,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 161 [2021-03-24 11:05:38,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,141 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-24 11:05:38,142 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 11:05:38,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 36 events. 0/36 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 11:05:38,142 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 2/34 dead transitions. [2021-03-24 11:05:38,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 34 transitions, 100 flow [2021-03-24 11:05:38,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-03-24 11:05:38,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8981366459627329 [2021-03-24 11:05:38,144 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-03-24 11:05:38,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-03-24 11:05:38,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-03-24 11:05:38,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 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) [2021-03-24 11:05:38,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,149 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,149 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 82 flow. Second operand 5 states and 723 transitions. [2021-03-24 11:05:38,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 34 transitions, 100 flow [2021-03-24 11:05:38,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 34 transitions, 92 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:38,151 INFO L241 Difference]: Finished difference. Result has 47 places, 32 transitions, 86 flow [2021-03-24 11:05:38,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=74, 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=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=32} [2021-03-24 11:05:38,151 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2021-03-24 11:05:38,151 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 32 transitions, 86 flow [2021-03-24 11:05:38,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:38,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 11:05:38,152 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1230196259, now seen corresponding path program 1 times [2021-03-24 11:05:38,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319037549] [2021-03-24 11:05:38,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:38,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319037549] [2021-03-24 11:05:38,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:38,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:38,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977985431] [2021-03-24 11:05:38,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:38,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:38,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:38,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:38,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:38,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 32 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:38,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:38,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,368 INFO L129 PetriNetUnfolder]: 1/42 cut-off events. [2021-03-24 11:05:38,368 INFO L130 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2021-03-24 11:05:38,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 42 events. 1/42 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 3/45 useless extension candidates. Maximal degree in co-relation 67. Up to 6 conditions per place. [2021-03-24 11:05:38,368 INFO L132 encePairwiseOnDemand]: 156/161 looper letters, 2 selfloop transitions, 3 changer transitions 4/36 dead transitions. [2021-03-24 11:05:38,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 36 transitions, 121 flow [2021-03-24 11:05:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 11:05:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 11:05:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions. [2021-03-24 11:05:38,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623188405797102 [2021-03-24 11:05:38,371 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions. [2021-03-24 11:05:38,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions. [2021-03-24 11:05:38,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions. [2021-03-24 11:05:38,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,376 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,376 INFO L185 Difference]: Start difference. First operand has 47 places, 32 transitions, 86 flow. Second operand 6 states and 833 transitions. [2021-03-24 11:05:38,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 36 transitions, 121 flow [2021-03-24 11:05:38,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 36 transitions, 113 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:38,379 INFO L241 Difference]: Finished difference. Result has 50 places, 32 transitions, 96 flow [2021-03-24 11:05:38,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=96, PETRI_PLACES=50, PETRI_TRANSITIONS=32} [2021-03-24 11:05:38,379 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2021-03-24 11:05:38,380 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 32 transitions, 96 flow [2021-03-24 11:05:38,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:38,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 11:05:38,381 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1731711944, now seen corresponding path program 1 times [2021-03-24 11:05:38,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91147342] [2021-03-24 11:05:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:38,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:38,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:38,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:38,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:38,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:38,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91147342] [2021-03-24 11:05:38,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:38,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:05:38,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067186561] [2021-03-24 11:05:38,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 11:05:38,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:38,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 11:05:38,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 11:05:38,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 11:05:38,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 32 transitions, 96 flow. Second operand has 7 states, 7 states have (on average 118.57142857142857) internal successors, (830), 7 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:38,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 11:05:38,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,881 INFO L129 PetriNetUnfolder]: 201/424 cut-off events. [2021-03-24 11:05:38,881 INFO L130 PetriNetUnfolder]: For 217/219 co-relation queries the response was YES. [2021-03-24 11:05:38,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 939 conditions, 424 events. 201/424 cut-off events. For 217/219 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2045 event pairs, 52 based on Foata normal form. 18/420 useless extension candidates. Maximal degree in co-relation 912. Up to 250 conditions per place. [2021-03-24 11:05:38,885 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 16 selfloop transitions, 10 changer transitions 9/52 dead transitions. [2021-03-24 11:05:38,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 215 flow [2021-03-24 11:05:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:05:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:05:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 973 transitions. [2021-03-24 11:05:38,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7554347826086957 [2021-03-24 11:05:38,888 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 121.625) internal successors, (973), 8 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,895 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,895 INFO L185 Difference]: Start difference. First operand has 50 places, 32 transitions, 96 flow. Second operand 8 states and 973 transitions. [2021-03-24 11:05:38,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 215 flow [2021-03-24 11:05:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 195 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:38,899 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 158 flow [2021-03-24 11:05:38,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=158, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-24 11:05:38,900 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2021-03-24 11:05:38,900 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 158 flow [2021-03-24 11:05:38,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 118.57142857142857) internal successors, (830), 7 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:38,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 11:05:38,900 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1287418016, now seen corresponding path program 2 times [2021-03-24 11:05:38,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171290971] [2021-03-24 11:05:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:38,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:39,001 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-24 11:05:39,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 11:05:39,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:39,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:39,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:39,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171290971] [2021-03-24 11:05:39,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:39,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:05:39,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123352668] [2021-03-24 11:05:39,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 11:05:39,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:39,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 11:05:39,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-24 11:05:39,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 161 [2021-03-24 11:05:39,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 158 flow. Second operand has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:39,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 161 [2021-03-24 11:05:39,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:39,263 INFO L129 PetriNetUnfolder]: 194/411 cut-off events. [2021-03-24 11:05:39,263 INFO L130 PetriNetUnfolder]: For 294/353 co-relation queries the response was YES. [2021-03-24 11:05:39,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 411 events. 194/411 cut-off events. For 294/353 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1961 event pairs, 44 based on Foata normal form. 15/416 useless extension candidates. Maximal degree in co-relation 1305. Up to 284 conditions per place. [2021-03-24 11:05:39,267 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 20 selfloop transitions, 14 changer transitions 8/60 dead transitions. [2021-03-24 11:05:39,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 60 transitions, 350 flow [2021-03-24 11:05:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1229 transitions. [2021-03-24 11:05:39,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7633540372670807 [2021-03-24 11:05:39,271 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1229 transitions. [2021-03-24 11:05:39,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1229 transitions. [2021-03-24 11:05:39,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:39,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1229 transitions. [2021-03-24 11:05:39,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 122.9) internal successors, (1229), 10 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,278 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,278 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 158 flow. Second operand 10 states and 1229 transitions. [2021-03-24 11:05:39,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 60 transitions, 350 flow [2021-03-24 11:05:39,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 60 transitions, 341 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:39,283 INFO L241 Difference]: Finished difference. Result has 60 places, 47 transitions, 255 flow [2021-03-24 11:05:39,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=255, PETRI_PLACES=60, PETRI_TRANSITIONS=47} [2021-03-24 11:05:39,284 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2021-03-24 11:05:39,284 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 47 transitions, 255 flow [2021-03-24 11:05:39,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:39,284 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:39,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 11:05:39,284 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:39,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:39,285 INFO L82 PathProgramCache]: Analyzing trace with hash -352982084, now seen corresponding path program 3 times [2021-03-24 11:05:39,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:39,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406830260] [2021-03-24 11:05:39,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:39,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:39,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:39,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:39,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:39,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 11:05:39,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 11:05:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:05:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:39,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:39,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:39,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406830260] [2021-03-24 11:05:39,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:39,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:39,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488507210] [2021-03-24 11:05:39,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:39,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:39,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:39,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:39,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 11:05:39,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 255 flow. Second operand has 12 states, 12 states have (on average 117.91666666666667) internal successors, (1415), 12 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:39,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 11:05:39,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:39,891 INFO L129 PetriNetUnfolder]: 203/413 cut-off events. [2021-03-24 11:05:39,891 INFO L130 PetriNetUnfolder]: For 1002/1147 co-relation queries the response was YES. [2021-03-24 11:05:39,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1750 conditions, 413 events. 203/413 cut-off events. For 1002/1147 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1901 event pairs, 31 based on Foata normal form. 37/445 useless extension candidates. Maximal degree in co-relation 1717. Up to 264 conditions per place. [2021-03-24 11:05:39,895 INFO L132 encePairwiseOnDemand]: 147/161 looper letters, 23 selfloop transitions, 29 changer transitions 8/77 dead transitions. [2021-03-24 11:05:39,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 77 transitions, 598 flow [2021-03-24 11:05:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 11:05:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 11:05:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1571 transitions. [2021-03-24 11:05:39,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7505972288580984 [2021-03-24 11:05:39,900 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1571 transitions. [2021-03-24 11:05:39,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1571 transitions. [2021-03-24 11:05:39,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:39,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1571 transitions. [2021-03-24 11:05:39,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 120.84615384615384) internal successors, (1571), 13 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,910 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,910 INFO L185 Difference]: Start difference. First operand has 60 places, 47 transitions, 255 flow. Second operand 13 states and 1571 transitions. [2021-03-24 11:05:39,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 77 transitions, 598 flow [2021-03-24 11:05:39,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 77 transitions, 518 flow, removed 29 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:39,916 INFO L241 Difference]: Finished difference. Result has 70 places, 62 transitions, 411 flow [2021-03-24 11:05:39,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=411, PETRI_PLACES=70, PETRI_TRANSITIONS=62} [2021-03-24 11:05:39,917 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 21 predicate places. [2021-03-24 11:05:39,917 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 62 transitions, 411 flow [2021-03-24 11:05:39,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 117.91666666666667) internal successors, (1415), 12 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:39,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:39,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:39,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 11:05:39,919 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:39,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:39,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1941499060, now seen corresponding path program 1 times [2021-03-24 11:05:39,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:39,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078987991] [2021-03-24 11:05:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:40,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:40,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:40,049 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:40,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:40,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:40,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078987991] [2021-03-24 11:05:40,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:40,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:40,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517875688] [2021-03-24 11:05:40,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:40,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:40,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:40,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:40,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:40,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 62 transitions, 411 flow. Second operand has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:40,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:40,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:40,179 INFO L129 PetriNetUnfolder]: 164/396 cut-off events. [2021-03-24 11:05:40,179 INFO L130 PetriNetUnfolder]: For 999/1111 co-relation queries the response was YES. [2021-03-24 11:05:40,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1426 conditions, 396 events. 164/396 cut-off events. For 999/1111 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2098 event pairs, 44 based on Foata normal form. 42/416 useless extension candidates. Maximal degree in co-relation 1390. Up to 150 conditions per place. [2021-03-24 11:05:40,183 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 8 selfloop transitions, 8 changer transitions 0/70 dead transitions. [2021-03-24 11:05:40,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 445 flow [2021-03-24 11:05:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 698 transitions. [2021-03-24 11:05:40,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.867080745341615 [2021-03-24 11:05:40,189 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 698 transitions. [2021-03-24 11:05:40,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 698 transitions. [2021-03-24 11:05:40,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:40,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 698 transitions. [2021-03-24 11:05:40,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,194 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,194 INFO L185 Difference]: Start difference. First operand has 70 places, 62 transitions, 411 flow. Second operand 5 states and 698 transitions. [2021-03-24 11:05:40,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 445 flow [2021-03-24 11:05:40,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 70 transitions, 415 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:40,199 INFO L241 Difference]: Finished difference. Result has 69 places, 67 transitions, 423 flow [2021-03-24 11:05:40,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=423, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2021-03-24 11:05:40,200 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 20 predicate places. [2021-03-24 11:05:40,200 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 423 flow [2021-03-24 11:05:40,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:40,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:40,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 11:05:40,200 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash -931009936, now seen corresponding path program 1 times [2021-03-24 11:05:40,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:40,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603314361] [2021-03-24 11:05:40,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:40,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:40,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:40,386 INFO L142 QuantifierPusher]: treesize reduction 39, result has 67.2 percent of original size [2021-03-24 11:05:40,389 INFO L147 QuantifierPusher]: treesize reduction 8, result has 90.0 percent of original size 72 [2021-03-24 11:05:40,431 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.7 percent of original size [2021-03-24 11:05:40,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-24 11:05:40,479 INFO L142 QuantifierPusher]: treesize reduction 21, result has 78.4 percent of original size [2021-03-24 11:05:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-24 11:05:40,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:05:40,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:05:40,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:40,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:40,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603314361] [2021-03-24 11:05:40,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:40,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 11:05:40,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994412643] [2021-03-24 11:05:40,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 11:05:40,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 11:05:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-03-24 11:05:40,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-24 11:05:40,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 423 flow. Second operand has 13 states, 13 states have (on average 113.0) internal successors, (1469), 13 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:40,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:40,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-24 11:05:40,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:41,010 INFO L129 PetriNetUnfolder]: 227/497 cut-off events. [2021-03-24 11:05:41,010 INFO L130 PetriNetUnfolder]: For 1611/1892 co-relation queries the response was YES. [2021-03-24 11:05:41,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 497 events. 227/497 cut-off events. For 1611/1892 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2621 event pairs, 68 based on Foata normal form. 65/526 useless extension candidates. Maximal degree in co-relation 2158. Up to 298 conditions per place. [2021-03-24 11:05:41,016 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 30 selfloop transitions, 22 changer transitions 6/81 dead transitions. [2021-03-24 11:05:41,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 81 transitions, 665 flow [2021-03-24 11:05:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:41,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1269 transitions. [2021-03-24 11:05:41,019 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7165443252399775 [2021-03-24 11:05:41,019 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1269 transitions. [2021-03-24 11:05:41,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1269 transitions. [2021-03-24 11:05:41,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:41,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1269 transitions. [2021-03-24 11:05:41,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 115.36363636363636) internal successors, (1269), 11 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,027 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,027 INFO L185 Difference]: Start difference. First operand has 69 places, 67 transitions, 423 flow. Second operand 11 states and 1269 transitions. [2021-03-24 11:05:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 81 transitions, 665 flow [2021-03-24 11:05:41,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 81 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 11:05:41,032 INFO L241 Difference]: Finished difference. Result has 81 places, 72 transitions, 545 flow [2021-03-24 11:05:41,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=545, PETRI_PLACES=81, PETRI_TRANSITIONS=72} [2021-03-24 11:05:41,032 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 32 predicate places. [2021-03-24 11:05:41,032 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 72 transitions, 545 flow [2021-03-24 11:05:41,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 113.0) internal successors, (1469), 13 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:41,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:41,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 11:05:41,033 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:41,034 INFO L82 PathProgramCache]: Analyzing trace with hash 218601022, now seen corresponding path program 1 times [2021-03-24 11:05:41,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:41,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114290691] [2021-03-24 11:05:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:41,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,123 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:41,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114290691] [2021-03-24 11:05:41,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:41,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:05:41,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543781825] [2021-03-24 11:05:41,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:41,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:41,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:41,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:41,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:41,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 72 transitions, 545 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:41,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:41,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:41,226 INFO L129 PetriNetUnfolder]: 100/290 cut-off events. [2021-03-24 11:05:41,226 INFO L130 PetriNetUnfolder]: For 973/1376 co-relation queries the response was YES. [2021-03-24 11:05:41,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 290 events. 100/290 cut-off events. For 973/1376 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1496 event pairs, 7 based on Foata normal form. 135/411 useless extension candidates. Maximal degree in co-relation 1211. Up to 111 conditions per place. [2021-03-24 11:05:41,229 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 5 selfloop transitions, 15 changer transitions 3/82 dead transitions. [2021-03-24 11:05:41,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 82 transitions, 649 flow [2021-03-24 11:05:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-03-24 11:05:41,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8669032830523514 [2021-03-24 11:05:41,232 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-03-24 11:05:41,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-03-24 11:05:41,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:41,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-03-24 11:05:41,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,237 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,237 INFO L185 Difference]: Start difference. First operand has 81 places, 72 transitions, 545 flow. Second operand 7 states and 977 transitions. [2021-03-24 11:05:41,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 82 transitions, 649 flow [2021-03-24 11:05:41,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 82 transitions, 623 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:41,244 INFO L241 Difference]: Finished difference. Result has 80 places, 79 transitions, 618 flow [2021-03-24 11:05:41,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=618, PETRI_PLACES=80, PETRI_TRANSITIONS=79} [2021-03-24 11:05:41,245 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 31 predicate places. [2021-03-24 11:05:41,245 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 79 transitions, 618 flow [2021-03-24 11:05:41,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:41,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:41,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 11:05:41,245 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:41,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:41,246 INFO L82 PathProgramCache]: Analyzing trace with hash 800662318, now seen corresponding path program 1 times [2021-03-24 11:05:41,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:41,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450180110] [2021-03-24 11:05:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:41,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,367 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:41,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:41,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450180110] [2021-03-24 11:05:41,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:41,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:05:41,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241921128] [2021-03-24 11:05:41,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:05:41,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:41,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:05:41,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:05:41,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:41,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:41,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:41,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:41,525 INFO L129 PetriNetUnfolder]: 82/250 cut-off events. [2021-03-24 11:05:41,525 INFO L130 PetriNetUnfolder]: For 1089/1646 co-relation queries the response was YES. [2021-03-24 11:05:41,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 250 events. 82/250 cut-off events. For 1089/1646 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1294 event pairs, 0 based on Foata normal form. 127/367 useless extension candidates. Maximal degree in co-relation 1168. Up to 101 conditions per place. [2021-03-24 11:05:41,529 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 2 selfloop transitions, 19 changer transitions 3/83 dead transitions. [2021-03-24 11:05:41,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 696 flow [2021-03-24 11:05:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1250 transitions. [2021-03-24 11:05:41,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.862663906142167 [2021-03-24 11:05:41,532 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1250 transitions. [2021-03-24 11:05:41,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1250 transitions. [2021-03-24 11:05:41,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:41,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1250 transitions. [2021-03-24 11:05:41,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 138.88888888888889) internal successors, (1250), 9 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,538 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,538 INFO L185 Difference]: Start difference. First operand has 80 places, 79 transitions, 618 flow. Second operand 9 states and 1250 transitions. [2021-03-24 11:05:41,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 696 flow [2021-03-24 11:05:41,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 83 transitions, 640 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:41,544 INFO L241 Difference]: Finished difference. Result has 87 places, 80 transitions, 623 flow [2021-03-24 11:05:41,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=623, PETRI_PLACES=87, PETRI_TRANSITIONS=80} [2021-03-24 11:05:41,544 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 38 predicate places. [2021-03-24 11:05:41,545 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 80 transitions, 623 flow [2021-03-24 11:05:41,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:41,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:41,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 11:05:41,546 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:41,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1430521798, now seen corresponding path program 1 times [2021-03-24 11:05:41,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:41,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402827924] [2021-03-24 11:05:41,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:41,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:41,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:41,706 INFO L142 QuantifierPusher]: treesize reduction 47, result has 62.4 percent of original size [2021-03-24 11:05:41,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-03-24 11:05:41,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:41,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:41,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:41,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:41,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402827924] [2021-03-24 11:05:41,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:41,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:41,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303782031] [2021-03-24 11:05:41,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:41,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:41,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:41,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:41,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:41,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 80 transitions, 623 flow. Second operand has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:41,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:41,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:41,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:42,025 INFO L129 PetriNetUnfolder]: 115/376 cut-off events. [2021-03-24 11:05:42,025 INFO L130 PetriNetUnfolder]: For 2363/2691 co-relation queries the response was YES. [2021-03-24 11:05:42,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1765 conditions, 376 events. 115/376 cut-off events. For 2363/2691 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2450 event pairs, 0 based on Foata normal form. 64/428 useless extension candidates. Maximal degree in co-relation 1720. Up to 100 conditions per place. [2021-03-24 11:05:42,030 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 35 selfloop transitions, 20 changer transitions 2/88 dead transitions. [2021-03-24 11:05:42,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 88 transitions, 810 flow [2021-03-24 11:05:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 827 transitions. [2021-03-24 11:05:42,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7338065661047027 [2021-03-24 11:05:42,033 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 827 transitions. [2021-03-24 11:05:42,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 827 transitions. [2021-03-24 11:05:42,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:42,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 827 transitions. [2021-03-24 11:05:42,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.14285714285714) internal successors, (827), 7 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,038 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,038 INFO L185 Difference]: Start difference. First operand has 87 places, 80 transitions, 623 flow. Second operand 7 states and 827 transitions. [2021-03-24 11:05:42,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 88 transitions, 810 flow [2021-03-24 11:05:42,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 88 transitions, 732 flow, removed 22 selfloop flow, removed 9 redundant places. [2021-03-24 11:05:42,049 INFO L241 Difference]: Finished difference. Result has 85 places, 85 transitions, 668 flow [2021-03-24 11:05:42,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=668, PETRI_PLACES=85, PETRI_TRANSITIONS=85} [2021-03-24 11:05:42,049 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 36 predicate places. [2021-03-24 11:05:42,050 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 85 transitions, 668 flow [2021-03-24 11:05:42,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:42,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:42,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 11:05:42,050 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1069673156, now seen corresponding path program 2 times [2021-03-24 11:05:42,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:42,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799669771] [2021-03-24 11:05:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:42,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:42,178 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-24 11:05:42,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 11:05:42,184 INFO L142 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-03-24 11:05:42,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-24 11:05:42,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:42,222 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-24 11:05:42,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 11:05:42,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:42,259 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:42,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:42,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799669771] [2021-03-24 11:05:42,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:42,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:42,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481639094] [2021-03-24 11:05:42,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:42,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:42,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:42,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:42,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:42,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 668 flow. Second operand has 9 states, 9 states have (on average 115.66666666666667) internal successors, (1041), 9 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:42,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:42,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:42,504 INFO L129 PetriNetUnfolder]: 140/462 cut-off events. [2021-03-24 11:05:42,505 INFO L130 PetriNetUnfolder]: For 1844/2194 co-relation queries the response was YES. [2021-03-24 11:05:42,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1965 conditions, 462 events. 140/462 cut-off events. For 1844/2194 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3248 event pairs, 10 based on Foata normal form. 85/532 useless extension candidates. Maximal degree in co-relation 1943. Up to 112 conditions per place. [2021-03-24 11:05:42,510 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 38 selfloop transitions, 19 changer transitions 13/102 dead transitions. [2021-03-24 11:05:42,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 102 transitions, 990 flow [2021-03-24 11:05:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:05:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:05:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 945 transitions. [2021-03-24 11:05:42,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7336956521739131 [2021-03-24 11:05:42,513 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 945 transitions. [2021-03-24 11:05:42,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 945 transitions. [2021-03-24 11:05:42,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:42,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 945 transitions. [2021-03-24 11:05:42,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 118.125) internal successors, (945), 8 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,530 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,530 INFO L185 Difference]: Start difference. First operand has 85 places, 85 transitions, 668 flow. Second operand 8 states and 945 transitions. [2021-03-24 11:05:42,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 102 transitions, 990 flow [2021-03-24 11:05:42,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 102 transitions, 927 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:42,542 INFO L241 Difference]: Finished difference. Result has 89 places, 86 transitions, 707 flow [2021-03-24 11:05:42,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=707, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2021-03-24 11:05:42,542 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 40 predicate places. [2021-03-24 11:05:42,542 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 707 flow [2021-03-24 11:05:42,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 115.66666666666667) internal successors, (1041), 9 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,546 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:42,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:42,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 11:05:42,546 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:42,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:42,546 INFO L82 PathProgramCache]: Analyzing trace with hash -74665162, now seen corresponding path program 3 times [2021-03-24 11:05:42,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:42,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056581316] [2021-03-24 11:05:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:42,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:42,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:42,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:42,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:05:42,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:42,768 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-03-24 11:05:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 11:05:42,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 11:05:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:42,822 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 11:05:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 11:05:42,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:42,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056581316] [2021-03-24 11:05:42,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:42,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:42,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61490839] [2021-03-24 11:05:42,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:42,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:42,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:42,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:42,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-24 11:05:42,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 707 flow. Second operand has 12 states, 12 states have (on average 113.33333333333333) internal successors, (1360), 12 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:42,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:42,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-24 11:05:42,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:43,253 INFO L129 PetriNetUnfolder]: 167/540 cut-off events. [2021-03-24 11:05:43,253 INFO L130 PetriNetUnfolder]: For 2210/2737 co-relation queries the response was YES. [2021-03-24 11:05:43,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 540 events. 167/540 cut-off events. For 2210/2737 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 3971 event pairs, 11 based on Foata normal form. 106/621 useless extension candidates. Maximal degree in co-relation 2200. Up to 135 conditions per place. [2021-03-24 11:05:43,260 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 45 selfloop transitions, 20 changer transitions 11/107 dead transitions. [2021-03-24 11:05:43,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 107 transitions, 1075 flow [2021-03-24 11:05:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:05:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:05:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1382 transitions. [2021-03-24 11:05:43,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7153209109730849 [2021-03-24 11:05:43,266 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1382 transitions. [2021-03-24 11:05:43,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1382 transitions. [2021-03-24 11:05:43,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:43,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1382 transitions. [2021-03-24 11:05:43,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 115.16666666666667) internal successors, (1382), 12 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,274 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,274 INFO L185 Difference]: Start difference. First operand has 89 places, 86 transitions, 707 flow. Second operand 12 states and 1382 transitions. [2021-03-24 11:05:43,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 107 transitions, 1075 flow [2021-03-24 11:05:43,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 107 transitions, 1039 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:43,288 INFO L241 Difference]: Finished difference. Result has 97 places, 87 transitions, 768 flow [2021-03-24 11:05:43,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=768, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2021-03-24 11:05:43,288 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 48 predicate places. [2021-03-24 11:05:43,289 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 768 flow [2021-03-24 11:05:43,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.33333333333333) internal successors, (1360), 12 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:43,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:43,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 11:05:43,289 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:43,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:43,290 INFO L82 PathProgramCache]: Analyzing trace with hash -518169458, now seen corresponding path program 4 times [2021-03-24 11:05:43,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:43,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305556670] [2021-03-24 11:05:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:43,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:43,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:43,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:43,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:43,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:05:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:43,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 11:05:43,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:05:43,507 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 11:05:43,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:43,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-03-24 11:05:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 11:05:43,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:43,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:43,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305556670] [2021-03-24 11:05:43,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:43,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:43,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049094924] [2021-03-24 11:05:43,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:43,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:43,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:43,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 161 [2021-03-24 11:05:43,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 768 flow. Second operand has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:43,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 161 [2021-03-24 11:05:43,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:43,955 INFO L129 PetriNetUnfolder]: 184/598 cut-off events. [2021-03-24 11:05:43,955 INFO L130 PetriNetUnfolder]: For 2700/3235 co-relation queries the response was YES. [2021-03-24 11:05:43,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 598 events. 184/598 cut-off events. For 2700/3235 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 4555 event pairs, 10 based on Foata normal form. 127/705 useless extension candidates. Maximal degree in co-relation 2506. Up to 151 conditions per place. [2021-03-24 11:05:43,963 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 45 selfloop transitions, 29 changer transitions 11/115 dead transitions. [2021-03-24 11:05:43,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 115 transitions, 1202 flow [2021-03-24 11:05:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1229 transitions. [2021-03-24 11:05:43,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6939582156973462 [2021-03-24 11:05:43,965 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1229 transitions. [2021-03-24 11:05:43,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1229 transitions. [2021-03-24 11:05:43,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:43,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1229 transitions. [2021-03-24 11:05:43,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 111.72727272727273) internal successors, (1229), 11 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,971 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,971 INFO L185 Difference]: Start difference. First operand has 97 places, 87 transitions, 768 flow. Second operand 11 states and 1229 transitions. [2021-03-24 11:05:43,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 115 transitions, 1202 flow [2021-03-24 11:05:43,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 115 transitions, 1164 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:43,992 INFO L241 Difference]: Finished difference. Result has 99 places, 93 transitions, 927 flow [2021-03-24 11:05:43,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=927, PETRI_PLACES=99, PETRI_TRANSITIONS=93} [2021-03-24 11:05:43,993 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 50 predicate places. [2021-03-24 11:05:43,993 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 93 transitions, 927 flow [2021-03-24 11:05:43,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:43,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:43,994 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:43,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 11:05:43,994 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:43,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:43,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1800465150, now seen corresponding path program 5 times [2021-03-24 11:05:43,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:43,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355474536] [2021-03-24 11:05:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:44,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:44,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:44,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:05:44,173 INFO L142 QuantifierPusher]: treesize reduction 30, result has 36.2 percent of original size [2021-03-24 11:05:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 11:05:44,187 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size [2021-03-24 11:05:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 11:05:44,243 INFO L142 QuantifierPusher]: treesize reduction 18, result has 79.1 percent of original size [2021-03-24 11:05:44,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 11:05:44,300 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-24 11:05:44,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:44,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:44,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:44,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355474536] [2021-03-24 11:05:44,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:44,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:44,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285794540] [2021-03-24 11:05:44,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:44,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:44,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:44,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:44,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 161 [2021-03-24 11:05:44,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 93 transitions, 927 flow. Second operand has 12 states, 12 states have (on average 108.41666666666667) internal successors, (1301), 12 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:44,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:44,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 161 [2021-03-24 11:05:44,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:45,023 INFO L129 PetriNetUnfolder]: 196/642 cut-off events. [2021-03-24 11:05:45,024 INFO L130 PetriNetUnfolder]: For 3237/3846 co-relation queries the response was YES. [2021-03-24 11:05:45,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2842 conditions, 642 events. 196/642 cut-off events. For 3237/3846 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 5107 event pairs, 6 based on Foata normal form. 161/778 useless extension candidates. Maximal degree in co-relation 2813. Up to 166 conditions per place. [2021-03-24 11:05:45,041 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 54 selfloop transitions, 38 changer transitions 8/130 dead transitions. [2021-03-24 11:05:45,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 130 transitions, 1500 flow [2021-03-24 11:05:45,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:05:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:05:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1329 transitions. [2021-03-24 11:05:45,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.687888198757764 [2021-03-24 11:05:45,044 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1329 transitions. [2021-03-24 11:05:45,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1329 transitions. [2021-03-24 11:05:45,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:45,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1329 transitions. [2021-03-24 11:05:45,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 110.75) internal successors, (1329), 12 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,049 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,049 INFO L185 Difference]: Start difference. First operand has 99 places, 93 transitions, 927 flow. Second operand 12 states and 1329 transitions. [2021-03-24 11:05:45,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 130 transitions, 1500 flow [2021-03-24 11:05:45,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 130 transitions, 1470 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-24 11:05:45,070 INFO L241 Difference]: Finished difference. Result has 106 places, 107 transitions, 1217 flow [2021-03-24 11:05:45,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1217, PETRI_PLACES=106, PETRI_TRANSITIONS=107} [2021-03-24 11:05:45,070 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 57 predicate places. [2021-03-24 11:05:45,070 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 107 transitions, 1217 flow [2021-03-24 11:05:45,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 108.41666666666667) internal successors, (1301), 12 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:45,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:45,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 11:05:45,071 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:45,071 INFO L82 PathProgramCache]: Analyzing trace with hash -710141426, now seen corresponding path program 6 times [2021-03-24 11:05:45,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:45,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854723106] [2021-03-24 11:05:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:45,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:45,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 11:05:45,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:45,149 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-24 11:05:45,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 11:05:45,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:45,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:45,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854723106] [2021-03-24 11:05:45,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:45,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:05:45,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172874239] [2021-03-24 11:05:45,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:05:45,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:45,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:05:45,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:05:45,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 161 [2021-03-24 11:05:45,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 107 transitions, 1217 flow. Second operand has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:45,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 161 [2021-03-24 11:05:45,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:45,409 INFO L129 PetriNetUnfolder]: 197/658 cut-off events. [2021-03-24 11:05:45,409 INFO L130 PetriNetUnfolder]: For 3381/4018 co-relation queries the response was YES. [2021-03-24 11:05:45,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3056 conditions, 658 events. 197/658 cut-off events. For 3381/4018 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 5314 event pairs, 14 based on Foata normal form. 153/783 useless extension candidates. Maximal degree in co-relation 3024. Up to 179 conditions per place. [2021-03-24 11:05:45,417 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 61 selfloop transitions, 14 changer transitions 26/134 dead transitions. [2021-03-24 11:05:45,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 134 transitions, 1705 flow [2021-03-24 11:05:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 867 transitions. [2021-03-24 11:05:45,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.769299023957409 [2021-03-24 11:05:45,422 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 867 transitions. [2021-03-24 11:05:45,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 867 transitions. [2021-03-24 11:05:45,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:45,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 867 transitions. [2021-03-24 11:05:45,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,428 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,428 INFO L185 Difference]: Start difference. First operand has 106 places, 107 transitions, 1217 flow. Second operand 7 states and 867 transitions. [2021-03-24 11:05:45,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 134 transitions, 1705 flow [2021-03-24 11:05:45,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 134 transitions, 1658 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:45,454 INFO L241 Difference]: Finished difference. Result has 108 places, 108 transitions, 1239 flow [2021-03-24 11:05:45,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1178, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1239, PETRI_PLACES=108, PETRI_TRANSITIONS=108} [2021-03-24 11:05:45,455 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 59 predicate places. [2021-03-24 11:05:45,455 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 108 transitions, 1239 flow [2021-03-24 11:05:45,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:45,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:45,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 11:05:45,456 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:45,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:45,456 INFO L82 PathProgramCache]: Analyzing trace with hash 504509248, now seen corresponding path program 7 times [2021-03-24 11:05:45,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:45,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560823082] [2021-03-24 11:05:45,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:45,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:45,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:45,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:45,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:45,561 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-24 11:05:45,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 11:05:45,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:45,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:45,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:45,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560823082] [2021-03-24 11:05:45,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:45,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:45,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780803467] [2021-03-24 11:05:45,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:45,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:45,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:45,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:45,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 161 [2021-03-24 11:05:45,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 108 transitions, 1239 flow. Second operand has 9 states, 9 states have (on average 120.55555555555556) internal successors, (1085), 9 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:45,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 161 [2021-03-24 11:05:45,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:45,800 INFO L129 PetriNetUnfolder]: 173/589 cut-off events. [2021-03-24 11:05:45,800 INFO L130 PetriNetUnfolder]: For 3120/3637 co-relation queries the response was YES. [2021-03-24 11:05:45,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 589 events. 173/589 cut-off events. For 3120/3637 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 4574 event pairs, 15 based on Foata normal form. 116/683 useless extension candidates. Maximal degree in co-relation 2745. Up to 151 conditions per place. [2021-03-24 11:05:45,807 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 56 selfloop transitions, 7 changer transitions 21/117 dead transitions. [2021-03-24 11:05:45,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 117 transitions, 1488 flow [2021-03-24 11:05:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:05:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:05:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 980 transitions. [2021-03-24 11:05:45,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7608695652173914 [2021-03-24 11:05:45,809 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 980 transitions. [2021-03-24 11:05:45,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 980 transitions. [2021-03-24 11:05:45,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:45,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 980 transitions. [2021-03-24 11:05:45,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 122.5) internal successors, (980), 8 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,812 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,812 INFO L185 Difference]: Start difference. First operand has 108 places, 108 transitions, 1239 flow. Second operand 8 states and 980 transitions. [2021-03-24 11:05:45,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 117 transitions, 1488 flow [2021-03-24 11:05:45,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 117 transitions, 1417 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:45,834 INFO L241 Difference]: Finished difference. Result has 109 places, 96 transitions, 1012 flow [2021-03-24 11:05:45,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1174, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1012, PETRI_PLACES=109, PETRI_TRANSITIONS=96} [2021-03-24 11:05:45,834 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 60 predicate places. [2021-03-24 11:05:45,835 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 96 transitions, 1012 flow [2021-03-24 11:05:45,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 120.55555555555556) internal successors, (1085), 9 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:45,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:45,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 11:05:45,835 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:45,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1475897368, now seen corresponding path program 8 times [2021-03-24 11:05:45,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:45,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355666874] [2021-03-24 11:05:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:45,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:45,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,918 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 11:05:45,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:45,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 11:05:45,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:45,942 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.1 percent of original size [2021-03-24 11:05:45,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 11:05:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,965 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:45,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:45,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355666874] [2021-03-24 11:05:45,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:45,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:45,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894215326] [2021-03-24 11:05:45,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:45,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:45,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:45,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 161 [2021-03-24 11:05:45,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 96 transitions, 1012 flow. Second operand has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:45,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:45,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 161 [2021-03-24 11:05:45,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:46,234 INFO L129 PetriNetUnfolder]: 160/539 cut-off events. [2021-03-24 11:05:46,234 INFO L130 PetriNetUnfolder]: For 2588/3077 co-relation queries the response was YES. [2021-03-24 11:05:46,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2409 conditions, 539 events. 160/539 cut-off events. For 2588/3077 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 4102 event pairs, 10 based on Foata normal form. 118/630 useless extension candidates. Maximal degree in co-relation 2376. Up to 140 conditions per place. [2021-03-24 11:05:46,240 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 47 selfloop transitions, 15 changer transitions 30/125 dead transitions. [2021-03-24 11:05:46,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 125 transitions, 1530 flow [2021-03-24 11:05:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:05:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:05:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 978 transitions. [2021-03-24 11:05:46,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7593167701863354 [2021-03-24 11:05:46,242 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 978 transitions. [2021-03-24 11:05:46,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 978 transitions. [2021-03-24 11:05:46,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:46,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 978 transitions. [2021-03-24 11:05:46,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 122.25) internal successors, (978), 8 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,245 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,245 INFO L185 Difference]: Start difference. First operand has 109 places, 96 transitions, 1012 flow. Second operand 8 states and 978 transitions. [2021-03-24 11:05:46,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 125 transitions, 1530 flow [2021-03-24 11:05:46,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 125 transitions, 1445 flow, removed 26 selfloop flow, removed 9 redundant places. [2021-03-24 11:05:46,263 INFO L241 Difference]: Finished difference. Result has 108 places, 94 transitions, 1003 flow [2021-03-24 11:05:46,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1003, PETRI_PLACES=108, PETRI_TRANSITIONS=94} [2021-03-24 11:05:46,264 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 59 predicate places. [2021-03-24 11:05:46,264 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 94 transitions, 1003 flow [2021-03-24 11:05:46,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:46,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:46,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 11:05:46,265 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:46,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2019679528, now seen corresponding path program 9 times [2021-03-24 11:05:46,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:46,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708754030] [2021-03-24 11:05:46,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:46,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:46,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:46,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:46,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:46,393 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-24 11:05:46,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 11:05:46,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:46,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:46,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:46,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:46,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708754030] [2021-03-24 11:05:46,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:46,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:46,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909908526] [2021-03-24 11:05:46,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:46,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:46,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:46,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:46,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 94 transitions, 1003 flow. Second operand has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:46,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:46,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:46,698 INFO L129 PetriNetUnfolder]: 121/419 cut-off events. [2021-03-24 11:05:46,698 INFO L130 PetriNetUnfolder]: For 2169/2540 co-relation queries the response was YES. [2021-03-24 11:05:46,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1950 conditions, 419 events. 121/419 cut-off events. For 2169/2540 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 2943 event pairs, 7 based on Foata normal form. 82/483 useless extension candidates. Maximal degree in co-relation 1915. Up to 107 conditions per place. [2021-03-24 11:05:46,703 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 49 selfloop transitions, 7 changer transitions 14/101 dead transitions. [2021-03-24 11:05:46,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 101 transitions, 1201 flow [2021-03-24 11:05:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1172 transitions. [2021-03-24 11:05:46,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7279503105590062 [2021-03-24 11:05:46,705 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1172 transitions. [2021-03-24 11:05:46,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1172 transitions. [2021-03-24 11:05:46,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:46,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1172 transitions. [2021-03-24 11:05:46,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.2) internal successors, (1172), 10 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,709 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,709 INFO L185 Difference]: Start difference. First operand has 108 places, 94 transitions, 1003 flow. Second operand 10 states and 1172 transitions. [2021-03-24 11:05:46,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 101 transitions, 1201 flow [2021-03-24 11:05:46,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 101 transitions, 1120 flow, removed 31 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:46,724 INFO L241 Difference]: Finished difference. Result has 110 places, 87 transitions, 862 flow [2021-03-24 11:05:46,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=862, PETRI_PLACES=110, PETRI_TRANSITIONS=87} [2021-03-24 11:05:46,724 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 61 predicate places. [2021-03-24 11:05:46,724 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 87 transitions, 862 flow [2021-03-24 11:05:46,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:46,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:46,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 11:05:46,725 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:46,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1691857196, now seen corresponding path program 10 times [2021-03-24 11:05:46,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:46,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653147750] [2021-03-24 11:05:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:46,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:46,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:46,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:46,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:46,837 INFO L142 QuantifierPusher]: treesize reduction 33, result has 23.3 percent of original size [2021-03-24 11:05:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:46,846 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-03-24 11:05:46,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 11:05:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:46,886 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:46,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653147750] [2021-03-24 11:05:46,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:46,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:46,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484350306] [2021-03-24 11:05:46,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:46,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:46,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:46,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:46,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:46,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 87 transitions, 862 flow. Second operand has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:46,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:46,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:46,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:47,282 INFO L129 PetriNetUnfolder]: 139/484 cut-off events. [2021-03-24 11:05:47,282 INFO L130 PetriNetUnfolder]: For 2140/2531 co-relation queries the response was YES. [2021-03-24 11:05:47,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2111 conditions, 484 events. 139/484 cut-off events. For 2140/2531 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 3622 event pairs, 0 based on Foata normal form. 92/553 useless extension candidates. Maximal degree in co-relation 2074. Up to 125 conditions per place. [2021-03-24 11:05:47,287 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 37 selfloop transitions, 17 changer transitions 21/106 dead transitions. [2021-03-24 11:05:47,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 106 transitions, 1187 flow [2021-03-24 11:05:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1296 transitions. [2021-03-24 11:05:47,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7317899491812535 [2021-03-24 11:05:47,289 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1296 transitions. [2021-03-24 11:05:47,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1296 transitions. [2021-03-24 11:05:47,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:47,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1296 transitions. [2021-03-24 11:05:47,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 117.81818181818181) internal successors, (1296), 11 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,294 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,294 INFO L185 Difference]: Start difference. First operand has 110 places, 87 transitions, 862 flow. Second operand 11 states and 1296 transitions. [2021-03-24 11:05:47,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 106 transitions, 1187 flow [2021-03-24 11:05:47,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 1135 flow, removed 12 selfloop flow, removed 12 redundant places. [2021-03-24 11:05:47,310 INFO L241 Difference]: Finished difference. Result has 107 places, 77 transitions, 710 flow [2021-03-24 11:05:47,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=710, PETRI_PLACES=107, PETRI_TRANSITIONS=77} [2021-03-24 11:05:47,310 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 58 predicate places. [2021-03-24 11:05:47,310 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 77 transitions, 710 flow [2021-03-24 11:05:47,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:47,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:47,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-24 11:05:47,311 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:47,311 INFO L82 PathProgramCache]: Analyzing trace with hash 82428756, now seen corresponding path program 11 times [2021-03-24 11:05:47,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:47,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50692787] [2021-03-24 11:05:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:47,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:47,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:47,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:47,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:47,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:47,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:47,437 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:47,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50692787] [2021-03-24 11:05:47,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:47,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:47,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726540847] [2021-03-24 11:05:47,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:47,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:47,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:47,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:47,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:47,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 77 transitions, 710 flow. Second operand has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:47,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:47,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:47,759 INFO L129 PetriNetUnfolder]: 97/361 cut-off events. [2021-03-24 11:05:47,759 INFO L130 PetriNetUnfolder]: For 1461/1665 co-relation queries the response was YES. [2021-03-24 11:05:47,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1538 conditions, 361 events. 97/361 cut-off events. For 1461/1665 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 2481 event pairs, 8 based on Foata normal form. 64/407 useless extension candidates. Maximal degree in co-relation 1503. Up to 100 conditions per place. [2021-03-24 11:05:47,762 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 15 selfloop transitions, 21 changer transitions 21/88 dead transitions. [2021-03-24 11:05:47,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 88 transitions, 933 flow [2021-03-24 11:05:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1176 transitions. [2021-03-24 11:05:47,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7304347826086957 [2021-03-24 11:05:47,764 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1176 transitions. [2021-03-24 11:05:47,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1176 transitions. [2021-03-24 11:05:47,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:47,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1176 transitions. [2021-03-24 11:05:47,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.6) internal successors, (1176), 10 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,769 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,769 INFO L185 Difference]: Start difference. First operand has 107 places, 77 transitions, 710 flow. Second operand 10 states and 1176 transitions. [2021-03-24 11:05:47,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 88 transitions, 933 flow [2021-03-24 11:05:47,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 88 transitions, 850 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-24 11:05:47,779 INFO L241 Difference]: Finished difference. Result has 105 places, 67 transitions, 595 flow [2021-03-24 11:05:47,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=595, PETRI_PLACES=105, PETRI_TRANSITIONS=67} [2021-03-24 11:05:47,780 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 56 predicate places. [2021-03-24 11:05:47,780 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 67 transitions, 595 flow [2021-03-24 11:05:47,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:47,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:47,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:47,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-24 11:05:47,780 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:47,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1420352378, now seen corresponding path program 12 times [2021-03-24 11:05:47,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:47,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889643727] [2021-03-24 11:05:47,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:47,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:47,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:47,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:47,893 INFO L142 QuantifierPusher]: treesize reduction 48, result has 59.3 percent of original size [2021-03-24 11:05:47,894 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.1 percent of original size 61 [2021-03-24 11:05:47,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-24 11:05:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 11:05:47,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:05:48,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:48,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:48,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889643727] [2021-03-24 11:05:48,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:48,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 11:05:48,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555267110] [2021-03-24 11:05:48,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 11:05:48,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:48,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 11:05:48,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-24 11:05:48,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 161 [2021-03-24 11:05:48,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 67 transitions, 595 flow. Second operand has 10 states, 10 states have (on average 110.7) internal successors, (1107), 10 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:48,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 161 [2021-03-24 11:05:48,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:48,464 INFO L129 PetriNetUnfolder]: 76/271 cut-off events. [2021-03-24 11:05:48,464 INFO L130 PetriNetUnfolder]: For 960/1069 co-relation queries the response was YES. [2021-03-24 11:05:48,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 271 events. 76/271 cut-off events. For 960/1069 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1614 event pairs, 6 based on Foata normal form. 41/296 useless extension candidates. Maximal degree in co-relation 1133. Up to 80 conditions per place. [2021-03-24 11:05:48,468 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 24 selfloop transitions, 10 changer transitions 9/73 dead transitions. [2021-03-24 11:05:48,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 73 transitions, 717 flow [2021-03-24 11:05:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1121 transitions. [2021-03-24 11:05:48,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6962732919254658 [2021-03-24 11:05:48,470 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1121 transitions. [2021-03-24 11:05:48,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1121 transitions. [2021-03-24 11:05:48,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:48,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1121 transitions. [2021-03-24 11:05:48,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 112.1) internal successors, (1121), 10 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,474 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,474 INFO L185 Difference]: Start difference. First operand has 105 places, 67 transitions, 595 flow. Second operand 10 states and 1121 transitions. [2021-03-24 11:05:48,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 73 transitions, 717 flow [2021-03-24 11:05:48,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 73 transitions, 620 flow, removed 27 selfloop flow, removed 18 redundant places. [2021-03-24 11:05:48,482 INFO L241 Difference]: Finished difference. Result has 93 places, 63 transitions, 483 flow [2021-03-24 11:05:48,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=483, PETRI_PLACES=93, PETRI_TRANSITIONS=63} [2021-03-24 11:05:48,482 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 44 predicate places. [2021-03-24 11:05:48,482 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 63 transitions, 483 flow [2021-03-24 11:05:48,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 110.7) internal successors, (1107), 10 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:48,483 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:48,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-24 11:05:48,483 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:48,483 INFO L82 PathProgramCache]: Analyzing trace with hash 505620322, now seen corresponding path program 13 times [2021-03-24 11:05:48,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:48,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958996795] [2021-03-24 11:05:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:48,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:48,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:48,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:48,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:48,592 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-24 11:05:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 11:05:48,602 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.3 percent of original size [2021-03-24 11:05:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-03-24 11:05:48,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:48,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:48,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:48,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958996795] [2021-03-24 11:05:48,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:48,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:48,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964328522] [2021-03-24 11:05:48,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:48,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:48,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:48,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:48,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 161 [2021-03-24 11:05:48,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 63 transitions, 483 flow. Second operand has 9 states, 9 states have (on average 121.55555555555556) internal successors, (1094), 9 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:48,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 161 [2021-03-24 11:05:48,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:48,955 INFO L129 PetriNetUnfolder]: 91/321 cut-off events. [2021-03-24 11:05:48,956 INFO L130 PetriNetUnfolder]: For 1083/1193 co-relation queries the response was YES. [2021-03-24 11:05:48,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1320 conditions, 321 events. 91/321 cut-off events. For 1083/1193 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2016 event pairs, 5 based on Foata normal form. 43/345 useless extension candidates. Maximal degree in co-relation 1295. Up to 100 conditions per place. [2021-03-24 11:05:48,958 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 19 selfloop transitions, 17 changer transitions 7/76 dead transitions. [2021-03-24 11:05:48,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 76 transitions, 706 flow [2021-03-24 11:05:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1108 transitions. [2021-03-24 11:05:48,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7646652864044169 [2021-03-24 11:05:48,960 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1108 transitions. [2021-03-24 11:05:48,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1108 transitions. [2021-03-24 11:05:48,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:48,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1108 transitions. [2021-03-24 11:05:48,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.11111111111111) internal successors, (1108), 9 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,964 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,964 INFO L185 Difference]: Start difference. First operand has 93 places, 63 transitions, 483 flow. Second operand 9 states and 1108 transitions. [2021-03-24 11:05:48,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 76 transitions, 706 flow [2021-03-24 11:05:48,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 76 transitions, 571 flow, removed 36 selfloop flow, removed 17 redundant places. [2021-03-24 11:05:48,971 INFO L241 Difference]: Finished difference. Result has 86 places, 68 transitions, 501 flow [2021-03-24 11:05:48,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=501, PETRI_PLACES=86, PETRI_TRANSITIONS=68} [2021-03-24 11:05:48,972 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 37 predicate places. [2021-03-24 11:05:48,972 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 68 transitions, 501 flow [2021-03-24 11:05:48,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 121.55555555555556) internal successors, (1094), 9 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:48,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:48,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:48,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-24 11:05:48,973 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:48,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1144915742, now seen corresponding path program 14 times [2021-03-24 11:05:48,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:48,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692179296] [2021-03-24 11:05:48,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:49,026 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:49,094 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:49,132 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 11:05:49,133 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 11:05:49,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-24 11:05:49,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 11:05:49 BasicIcfg [2021-03-24 11:05:49,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 11:05:49,273 INFO L168 Benchmark]: Toolchain (without parser) took 21293.67 ms. Allocated memory was 352.3 MB in the beginning and 723.5 MB in the end (delta: 371.2 MB). Free memory was 315.4 MB in the beginning and 429.0 MB in the end (delta: -113.6 MB). Peak memory consumption was 260.6 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,273 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 352.3 MB. Free memory was 334.0 MB in the beginning and 333.9 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 11:05:49,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.97 ms. Allocated memory is still 352.3 MB. Free memory was 315.2 MB in the beginning and 308.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.03 ms. Allocated memory is still 352.3 MB. Free memory was 308.2 MB in the beginning and 304.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,273 INFO L168 Benchmark]: Boogie Preprocessor took 66.76 ms. Allocated memory is still 352.3 MB. Free memory was 304.9 MB in the beginning and 301.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,274 INFO L168 Benchmark]: RCFGBuilder took 3084.73 ms. Allocated memory was 352.3 MB in the beginning and 423.6 MB in the end (delta: 71.3 MB). Free memory was 301.9 MB in the beginning and 201.1 MB in the end (delta: 100.8 MB). Peak memory consumption was 175.0 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,274 INFO L168 Benchmark]: TraceAbstraction took 17514.50 ms. Allocated memory was 423.6 MB in the beginning and 723.5 MB in the end (delta: 299.9 MB). Free memory was 201.1 MB in the beginning and 429.0 MB in the end (delta: -228.0 MB). Peak memory consumption was 71.9 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:49,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 352.3 MB. Free memory was 334.0 MB in the beginning and 333.9 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 565.97 ms. Allocated memory is still 352.3 MB. Free memory was 315.2 MB in the beginning and 308.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.03 ms. Allocated memory is still 352.3 MB. Free memory was 308.2 MB in the beginning and 304.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.76 ms. Allocated memory is still 352.3 MB. Free memory was 304.9 MB in the beginning and 301.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3084.73 ms. Allocated memory was 352.3 MB in the beginning and 423.6 MB in the end (delta: 71.3 MB). Free memory was 301.9 MB in the beginning and 201.1 MB in the end (delta: 100.8 MB). Peak memory consumption was 175.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17514.50 ms. Allocated memory was 423.6 MB in the beginning and 723.5 MB in the end (delta: 299.9 MB). Free memory was 201.1 MB in the beginning and 429.0 MB in the end (delta: -228.0 MB). Peak memory consumption was 71.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5413.1ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1327, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1327, positive: 486, positive conditional: 0, positive unconditional: 486, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2336; [L855] FCALL, FORK 0 pthread_create(&t2336, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2337; [L857] FCALL, FORK 0 pthread_create(&t2337, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2338; [L859] FCALL, FORK 0 pthread_create(&t2338, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L744] 1 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$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$w_buff0)) [L759] EXPR 1 !y$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) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$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)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L760] EXPR 1 weak$$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$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$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)) [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_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$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)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L762] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$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)) [L763] 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) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$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)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L799] 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) [L799] 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) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 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 [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 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 [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] 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) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] 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) [L865] 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) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 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 [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 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 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 17224.8ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6896.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5477.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 198 SDtfs, 335 SDslu, 409 SDs, 0 SdLazy, 1637 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2300.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 3227.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1239occurred in iteration=17, InterpolantAutomatonStates: 205, 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: 108.2ms SsaConstructionTime, 1056.8ms SatisfiabilityAnalysisTime, 3288.1ms InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 5422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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...