/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:51:48,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:51:48,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:51:48,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:51:48,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:51:48,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:51:48,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:51:48,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:51:48,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:51:48,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:51:48,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:51:48,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:51:48,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:51:48,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:51:48,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:51:48,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:51:48,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:51:48,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:51:48,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:51:48,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:51:48,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:51:48,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:51:48,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:51:48,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:51:48,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:51:48,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:51:48,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:51:48,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:51:48,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:51:48,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:51:48,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:51:48,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:51:48,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:51:48,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:51:48,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:51:48,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:51:48,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:51:48,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:51:48,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:51:48,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:51:48,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:51:48,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:51:48,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:51:48,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:51:48,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:51:48,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:51:48,728 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:51:48,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:51:48,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:51:48,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:51:48,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:51:48,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:51:48,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:51:48,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:51:48,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:51:48,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:51:48,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:51:48,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:51:48,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:51:48,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:51:48,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:51:48,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:51:48,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:51:48,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:51:48,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:51:48,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:51:48,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:51:48,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:51:48,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:51:48,733 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:51:48,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:51:48,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:51:48,734 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:51:49,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:51:49,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:51:49,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:51:49,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:51:49,131 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:51:49,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.oepc.i [2021-04-28 18:51:49,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/227ebf8d7/e34075f6f5e946da91d39f0c8070decb/FLAGb7ae6c03f [2021-04-28 18:51:49,949 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:51:49,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.oepc.i [2021-04-28 18:51:49,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/227ebf8d7/e34075f6f5e946da91d39f0c8070decb/FLAGb7ae6c03f [2021-04-28 18:51:50,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/227ebf8d7/e34075f6f5e946da91d39f0c8070decb [2021-04-28 18:51:50,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:51:50,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:51:50,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:51:50,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:51:50,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:51:50,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:51:50" (1/1) ... [2021-04-28 18:51:50,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431cc78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:50, skipping insertion in model container [2021-04-28 18:51:50,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:51:50" (1/1) ... [2021-04-28 18:51:50,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:51:50,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:51:50,633 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/mix023_power.oepc.i[951,964] [2021-04-28 18:51:50,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:51:50,890 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:51:50,904 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/mix023_power.oepc.i[951,964] [2021-04-28 18:51:50,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:51:51,143 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:51:51,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51 WrapperNode [2021-04-28 18:51:51,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:51:51,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:51:51,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:51:51,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:51:51,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:51:51,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:51:51,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:51:51,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:51:51,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... [2021-04-28 18:51:51,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:51:51,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:51:51,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:51:51,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:51:51,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:51:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:51:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:51:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:51:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:51:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:51:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:51:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:51:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:51:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:51:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:51:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:51:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:51:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:51:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:51:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:51:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:51:51,368 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:51:53,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:51:53,659 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:51:53,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:51:53 BoogieIcfgContainer [2021-04-28 18:51:53,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:51:53,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:51:53,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:51:53,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:51:53,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:51:50" (1/3) ... [2021-04-28 18:51:53,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184647b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:51:53, skipping insertion in model container [2021-04-28 18:51:53,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:51:51" (2/3) ... [2021-04-28 18:51:53,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3184647b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:51:53, skipping insertion in model container [2021-04-28 18:51:53,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:51:53" (3/3) ... [2021-04-28 18:51:53,670 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_power.oepc.i [2021-04-28 18:51:53,678 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:51:53,683 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:51:53,684 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:51:53,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,742 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,742 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,743 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,743 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,749 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,749 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,749 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,749 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,749 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,750 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,750 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,750 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,750 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,751 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,752 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,755 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,755 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,755 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,756 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,762 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,763 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,764 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,765 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,766 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,766 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,767 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,767 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,768 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,769 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,770 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,771 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,772 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,773 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,774 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,775 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,775 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,775 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,777 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,777 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,777 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,779 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,779 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,779 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,780 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,781 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,782 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,782 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,783 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,785 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,785 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,786 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,787 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,788 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,789 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,790 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,800 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,801 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,801 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,802 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,802 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,803 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,813 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,814 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:51:53,816 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:51:53,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:51:53,880 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:51:53,880 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:51:53,880 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:51:53,880 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:51:53,880 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:51:53,880 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:51:53,880 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:51:53,881 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:51:53,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:51:53,981 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:51:53,981 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:51:53,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 18:51:53,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-04-28 18:51:53,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-04-28 18:51:53,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:51:54,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:51:54,022 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-04-28 18:51:54,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-04-28 18:51:54,058 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-04-28 18:51:54,058 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:51:54,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 18:51:54,064 INFO L146 LiptonReduction]: Number of co-enabled transitions 2894 [2021-04-28 18:51:57,460 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:51:58,024 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:51:58,187 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:52:05,441 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:52:07,836 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 18:52:12,856 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:52:17,269 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:52:18,718 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:52:18,821 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:52:19,026 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:52:20,244 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:52:20,499 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:52:20,625 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:52:20,753 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:52:20,881 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:52:21,795 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:52:21,915 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:52:22,031 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:52:22,149 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:52:22,288 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:22,423 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:22,560 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:22,702 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:22,863 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:52:22,992 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:52:23,121 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:52:23,251 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:52:23,385 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:23,519 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:23,659 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:23,800 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:52:23,915 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:52:24,030 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:52:24,146 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:52:24,255 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:52:24,376 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:52:24,502 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:52:24,625 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:52:24,753 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:52:24,906 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:52:25,053 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:52:25,204 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:52:25,366 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:52:25,475 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:25,581 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:25,691 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:25,837 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:25,967 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:52:26,106 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:52:26,249 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:52:26,385 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:52:26,550 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:52:26,707 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:52:26,865 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:52:27,025 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:52:27,157 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:27,283 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:27,414 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:27,539 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:27,688 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:52:27,833 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:52:27,974 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:52:28,116 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:52:28,245 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:28,374 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:28,504 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:28,632 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:28,814 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:52:28,987 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:52:29,158 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:52:29,331 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:52:29,810 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:52:29,983 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:52:30,154 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:52:30,322 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:52:30,449 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:30,576 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:30,702 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:30,830 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:52:31,034 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:31,205 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:31,376 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:31,549 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:31,658 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:31,766 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:31,875 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:31,983 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:52:32,408 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:52:32,632 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:52:33,069 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:52:33,269 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:52:33,448 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:33,624 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:33,797 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:33,972 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:34,664 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:52:34,877 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:52:35,334 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:52:35,553 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:52:35,724 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:35,892 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:36,081 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:36,259 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:52:36,307 INFO L158 LiptonReduction]: Checked pairs total: 33208 [2021-04-28 18:52:36,307 INFO L160 LiptonReduction]: Total number of compositions: 295 [2021-04-28 18:52:36,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42317 [2021-04-28 18:52:36,339 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 18:52:36,339 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:52:36,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:36,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:52:36,340 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:36,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:36,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1408507, now seen corresponding path program 1 times [2021-04-28 18:52:36,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:36,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332863792] [2021-04-28 18:52:36,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:36,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332863792] [2021-04-28 18:52:36,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:36,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:52:36,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865996471] [2021-04-28 18:52:36,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:52:36,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:36,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:52:36,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:52:36,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:52:36,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:36,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:36,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:52:36,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:36,919 INFO L129 PetriNetUnfolder]: 133/839 cut-off events. [2021-04-28 18:52:36,920 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:52:36,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 839 events. 133/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7466 event pairs, 110 based on Foata normal form. 70/348 useless extension candidates. Maximal degree in co-relation 988. Up to 153 conditions per place. [2021-04-28 18:52:36,933 INFO L132 encePairwiseOnDemand]: 392/414 looper letters, 11 selfloop transitions, 2 changer transitions 61/146 dead transitions. [2021-04-28 18:52:36,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 146 transitions, 362 flow [2021-04-28 18:52:36,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:52:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:52:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2021-04-28 18:52:36,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7971014492753623 [2021-04-28 18:52:36,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2021-04-28 18:52:36,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2021-04-28 18:52:36,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:36,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2021-04-28 18:52:36,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:36,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:36,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:36,986 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 990 transitions. [2021-04-28 18:52:36,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 146 transitions, 362 flow [2021-04-28 18:52:36,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:52:36,995 INFO L241 Difference]: Finished difference. Result has 152 places, 80 transitions, 172 flow [2021-04-28 18:52:36,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=152, PETRI_TRANSITIONS=80} [2021-04-28 18:52:36,999 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 18:52:36,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:36,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 80 transitions, 172 flow [2021-04-28 18:52:37,000 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 80 transitions, 172 flow [2021-04-28 18:52:37,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 18:52:37,013 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 18:52:37,013 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:52:37,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 387 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:52:37,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 3278 [2021-04-28 18:52:37,208 INFO L158 LiptonReduction]: Checked pairs total: 4434 [2021-04-28 18:52:37,209 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:37,209 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-04-28 18:52:37,212 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 18:52:37,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:37,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:37,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:37,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:52:37,214 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:37,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2107134685, now seen corresponding path program 1 times [2021-04-28 18:52:37,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:37,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409927183] [2021-04-28 18:52:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:37,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:52:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:52:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:37,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409927183] [2021-04-28 18:52:37,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:37,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:52:37,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814796527] [2021-04-28 18:52:37,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:52:37,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:37,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:52:37,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:52:37,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:52:37,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:37,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:37,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:52:37,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:40,378 INFO L129 PetriNetUnfolder]: 7407/17885 cut-off events. [2021-04-28 18:52:40,378 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:52:40,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28555 conditions, 17885 events. 7407/17885 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2403. Compared 223693 event pairs, 2551 based on Foata normal form. 0/11554 useless extension candidates. Maximal degree in co-relation 28546. Up to 5601 conditions per place. [2021-04-28 18:52:40,506 INFO L132 encePairwiseOnDemand]: 388/414 looper letters, 9 selfloop transitions, 9 changer transitions 50/112 dead transitions. [2021-04-28 18:52:40,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 112 transitions, 372 flow [2021-04-28 18:52:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:52:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:52:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2021-04-28 18:52:40,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6215780998389694 [2021-04-28 18:52:40,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2021-04-28 18:52:40,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2021-04-28 18:52:40,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:40,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2021-04-28 18:52:40,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:40,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:40,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:40,522 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 772 transitions. [2021-04-28 18:52:40,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 112 transitions, 372 flow [2021-04-28 18:52:40,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:52:40,528 INFO L241 Difference]: Finished difference. Result has 93 places, 62 transitions, 186 flow [2021-04-28 18:52:40,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=62} [2021-04-28 18:52:40,529 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -64 predicate places. [2021-04-28 18:52:40,530 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:40,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:52:40,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:52:40,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 62 transitions, 186 flow [2021-04-28 18:52:40,720 INFO L129 PetriNetUnfolder]: 347/1153 cut-off events. [2021-04-28 18:52:40,720 INFO L130 PetriNetUnfolder]: For 99/103 co-relation queries the response was YES. [2021-04-28 18:52:40,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1986 conditions, 1153 events. 347/1153 cut-off events. For 99/103 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 9835 event pairs, 141 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 1977. Up to 377 conditions per place. [2021-04-28 18:52:40,751 INFO L146 LiptonReduction]: Number of co-enabled transitions 2154 [2021-04-28 18:52:40,898 INFO L158 LiptonReduction]: Checked pairs total: 1414 [2021-04-28 18:52:40,898 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:40,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 369 [2021-04-28 18:52:40,901 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 62 transitions, 186 flow [2021-04-28 18:52:40,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:40,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:40,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:40,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:52:40,903 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:40,904 INFO L82 PathProgramCache]: Analyzing trace with hash -703749814, now seen corresponding path program 1 times [2021-04-28 18:52:40,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:40,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999011351] [2021-04-28 18:52:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:41,014 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:52:41,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:52:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999011351] [2021-04-28 18:52:41,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:41,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:52:41,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006956721] [2021-04-28 18:52:41,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:52:41,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:41,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:52:41,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:52:41,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:52:41,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 62 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:41,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:52:41,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:41,253 INFO L129 PetriNetUnfolder]: 318/1040 cut-off events. [2021-04-28 18:52:41,253 INFO L130 PetriNetUnfolder]: For 151/479 co-relation queries the response was YES. [2021-04-28 18:52:41,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2334 conditions, 1040 events. 318/1040 cut-off events. For 151/479 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8447 event pairs, 32 based on Foata normal form. 3/766 useless extension candidates. Maximal degree in co-relation 2323. Up to 351 conditions per place. [2021-04-28 18:52:41,269 INFO L132 encePairwiseOnDemand]: 404/414 looper letters, 16 selfloop transitions, 13 changer transitions 0/73 dead transitions. [2021-04-28 18:52:41,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 73 transitions, 300 flow [2021-04-28 18:52:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:52:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:52:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 965 transitions. [2021-04-28 18:52:41,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5827294685990339 [2021-04-28 18:52:41,274 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:41,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,286 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,286 INFO L185 Difference]: Start difference. First operand has 67 places, 62 transitions, 186 flow. Second operand 4 states and 965 transitions. [2021-04-28 18:52:41,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 73 transitions, 300 flow [2021-04-28 18:52:41,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 73 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:52:41,295 INFO L241 Difference]: Finished difference. Result has 71 places, 70 transitions, 266 flow [2021-04-28 18:52:41,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=266, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2021-04-28 18:52:41,296 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -86 predicate places. [2021-04-28 18:52:41,296 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:41,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 70 transitions, 266 flow [2021-04-28 18:52:41,301 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 70 transitions, 266 flow [2021-04-28 18:52:41,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 70 transitions, 266 flow [2021-04-28 18:52:41,446 INFO L129 PetriNetUnfolder]: 318/1076 cut-off events. [2021-04-28 18:52:41,446 INFO L130 PetriNetUnfolder]: For 412/483 co-relation queries the response was YES. [2021-04-28 18:52:41,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 1076 events. 318/1076 cut-off events. For 412/483 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9108 event pairs, 78 based on Foata normal form. 1/787 useless extension candidates. Maximal degree in co-relation 2186. Up to 351 conditions per place. [2021-04-28 18:52:41,480 INFO L146 LiptonReduction]: Number of co-enabled transitions 2502 [2021-04-28 18:52:41,625 INFO L158 LiptonReduction]: Checked pairs total: 1682 [2021-04-28 18:52:41,626 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:41,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-04-28 18:52:41,628 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 266 flow [2021-04-28 18:52:41,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,630 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:41,630 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:41,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:52:41,630 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:41,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:41,631 INFO L82 PathProgramCache]: Analyzing trace with hash 896663190, now seen corresponding path program 1 times [2021-04-28 18:52:41,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:41,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186734955] [2021-04-28 18:52:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:41,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:41,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:52:41,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:52:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:41,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186734955] [2021-04-28 18:52:41,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:41,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:52:41,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435382108] [2021-04-28 18:52:41,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:52:41,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:41,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:52:41,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:52:41,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:52:41,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 266 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:41,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:52:41,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:41,932 INFO L129 PetriNetUnfolder]: 289/999 cut-off events. [2021-04-28 18:52:41,933 INFO L130 PetriNetUnfolder]: For 549/948 co-relation queries the response was YES. [2021-04-28 18:52:41,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 999 events. 289/999 cut-off events. For 549/948 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8318 event pairs, 76 based on Foata normal form. 17/744 useless extension candidates. Maximal degree in co-relation 2499. Up to 325 conditions per place. [2021-04-28 18:52:41,948 INFO L132 encePairwiseOnDemand]: 404/414 looper letters, 19 selfloop transitions, 20 changer transitions 0/83 dead transitions. [2021-04-28 18:52:41,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 83 transitions, 430 flow [2021-04-28 18:52:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:52:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:52:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 965 transitions. [2021-04-28 18:52:41,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5827294685990339 [2021-04-28 18:52:41,954 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:41,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 965 transitions. [2021-04-28 18:52:41,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,966 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:41,966 INFO L185 Difference]: Start difference. First operand has 71 places, 70 transitions, 266 flow. Second operand 4 states and 965 transitions. [2021-04-28 18:52:41,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 83 transitions, 430 flow [2021-04-28 18:52:41,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 83 transitions, 430 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:52:41,979 INFO L241 Difference]: Finished difference. Result has 77 places, 80 transitions, 432 flow [2021-04-28 18:52:41,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=432, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2021-04-28 18:52:41,980 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -80 predicate places. [2021-04-28 18:52:41,980 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:41,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 80 transitions, 432 flow [2021-04-28 18:52:41,980 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 80 transitions, 432 flow [2021-04-28 18:52:41,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 80 transitions, 432 flow [2021-04-28 18:52:42,118 INFO L129 PetriNetUnfolder]: 289/987 cut-off events. [2021-04-28 18:52:42,118 INFO L130 PetriNetUnfolder]: For 1370/1482 co-relation queries the response was YES. [2021-04-28 18:52:42,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2566 conditions, 987 events. 289/987 cut-off events. For 1370/1482 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8137 event pairs, 66 based on Foata normal form. 2/726 useless extension candidates. Maximal degree in co-relation 2549. Up to 325 conditions per place. [2021-04-28 18:52:42,145 INFO L146 LiptonReduction]: Number of co-enabled transitions 2898 [2021-04-28 18:52:42,179 INFO L158 LiptonReduction]: Checked pairs total: 1986 [2021-04-28 18:52:42,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:42,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-04-28 18:52:42,193 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 432 flow [2021-04-28 18:52:42,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:42,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:42,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:52:42,194 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:42,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:42,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2026725601, now seen corresponding path program 1 times [2021-04-28 18:52:42,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:42,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109966247] [2021-04-28 18:52:42,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:42,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:42,272 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:52:42,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:52:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:42,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109966247] [2021-04-28 18:52:42,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:42,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:52:42,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170537991] [2021-04-28 18:52:42,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:52:42,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:42,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:52:42,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:52:42,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:52:42,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 432 flow. Second operand has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:42,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:52:42,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:42,469 INFO L129 PetriNetUnfolder]: 224/777 cut-off events. [2021-04-28 18:52:42,470 INFO L130 PetriNetUnfolder]: For 1330/1841 co-relation queries the response was YES. [2021-04-28 18:52:42,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 777 events. 224/777 cut-off events. For 1330/1841 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5890 event pairs, 23 based on Foata normal form. 20/588 useless extension candidates. Maximal degree in co-relation 2415. Up to 249 conditions per place. [2021-04-28 18:52:42,484 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 37 selfloop transitions, 14 changer transitions 0/95 dead transitions. [2021-04-28 18:52:42,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 95 transitions, 670 flow [2021-04-28 18:52:42,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:52:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:52:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 962 transitions. [2021-04-28 18:52:42,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5809178743961353 [2021-04-28 18:52:42,488 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:42,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.5) internal successors, (962), 4 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,499 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,499 INFO L185 Difference]: Start difference. First operand has 77 places, 80 transitions, 432 flow. Second operand 4 states and 962 transitions. [2021-04-28 18:52:42,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 95 transitions, 670 flow [2021-04-28 18:52:42,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 95 transitions, 670 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:52:42,507 INFO L241 Difference]: Finished difference. Result has 83 places, 88 transitions, 600 flow [2021-04-28 18:52:42,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=600, PETRI_PLACES=83, PETRI_TRANSITIONS=88} [2021-04-28 18:52:42,507 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -74 predicate places. [2021-04-28 18:52:42,508 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:42,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 88 transitions, 600 flow [2021-04-28 18:52:42,508 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 88 transitions, 600 flow [2021-04-28 18:52:42,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 88 transitions, 600 flow [2021-04-28 18:52:42,645 INFO L129 PetriNetUnfolder]: 224/825 cut-off events. [2021-04-28 18:52:42,646 INFO L130 PetriNetUnfolder]: For 2151/2204 co-relation queries the response was YES. [2021-04-28 18:52:42,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2447 conditions, 825 events. 224/825 cut-off events. For 2151/2204 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6537 event pairs, 44 based on Foata normal form. 3/599 useless extension candidates. Maximal degree in co-relation 2425. Up to 249 conditions per place. [2021-04-28 18:52:42,671 INFO L146 LiptonReduction]: Number of co-enabled transitions 3214 [2021-04-28 18:52:42,685 INFO L158 LiptonReduction]: Checked pairs total: 2380 [2021-04-28 18:52:42,685 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:42,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-28 18:52:42,688 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 88 transitions, 600 flow [2021-04-28 18:52:42,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.0) internal successors, (944), 4 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:42,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:42,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:52:42,689 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:42,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2007748256, now seen corresponding path program 1 times [2021-04-28 18:52:42,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:42,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995598653] [2021-04-28 18:52:42,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:42,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:42,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:42,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:52:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:52:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:42,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995598653] [2021-04-28 18:52:42,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:42,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:52:42,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781823910] [2021-04-28 18:52:42,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:52:42,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:42,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:52:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:52:42,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 414 [2021-04-28 18:52:42,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 88 transitions, 600 flow. Second operand has 4 states, 4 states have (on average 236.25) internal successors, (945), 4 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) [2021-04-28 18:52:42,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:42,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 414 [2021-04-28 18:52:42,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:42,938 INFO L129 PetriNetUnfolder]: 188/689 cut-off events. [2021-04-28 18:52:42,938 INFO L130 PetriNetUnfolder]: For 1780/2121 co-relation queries the response was YES. [2021-04-28 18:52:42,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2405 conditions, 689 events. 188/689 cut-off events. For 1780/2121 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5103 event pairs, 29 based on Foata normal form. 25/524 useless extension candidates. Maximal degree in co-relation 2381. Up to 207 conditions per place. [2021-04-28 18:52:42,952 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 43 selfloop transitions, 18 changer transitions 0/105 dead transitions. [2021-04-28 18:52:42,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 105 transitions, 906 flow [2021-04-28 18:52:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:52:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:52:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 962 transitions. [2021-04-28 18:52:42,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5809178743961353 [2021-04-28 18:52:42,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:42,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 962 transitions. [2021-04-28 18:52:42,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.5) internal successors, (962), 4 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,968 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 414.0) internal successors, (2070), 5 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:42,968 INFO L185 Difference]: Start difference. First operand has 83 places, 88 transitions, 600 flow. Second operand 4 states and 962 transitions. [2021-04-28 18:52:42,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 105 transitions, 906 flow [2021-04-28 18:52:42,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 105 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:52:42,979 INFO L241 Difference]: Finished difference. Result has 88 places, 98 transitions, 827 flow [2021-04-28 18:52:42,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=827, PETRI_PLACES=88, PETRI_TRANSITIONS=98} [2021-04-28 18:52:42,980 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -69 predicate places. [2021-04-28 18:52:42,980 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:42,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 98 transitions, 827 flow [2021-04-28 18:52:42,980 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 98 transitions, 827 flow [2021-04-28 18:52:42,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 98 transitions, 827 flow [2021-04-28 18:52:43,089 INFO L129 PetriNetUnfolder]: 188/693 cut-off events. [2021-04-28 18:52:43,089 INFO L130 PetriNetUnfolder]: For 2405/2525 co-relation queries the response was YES. [2021-04-28 18:52:43,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2373 conditions, 693 events. 188/693 cut-off events. For 2405/2525 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5239 event pairs, 26 based on Foata normal form. 3/502 useless extension candidates. Maximal degree in co-relation 2347. Up to 207 conditions per place. [2021-04-28 18:52:43,114 INFO L146 LiptonReduction]: Number of co-enabled transitions 3630 [2021-04-28 18:52:43,462 INFO L158 LiptonReduction]: Checked pairs total: 2986 [2021-04-28 18:52:43,462 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:52:43,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-04-28 18:52:43,465 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 98 transitions, 827 flow [2021-04-28 18:52:43,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.25) internal successors, (945), 4 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) [2021-04-28 18:52:43,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:52:43,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:52:43,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:52:43,466 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:52:43,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:52:43,466 INFO L82 PathProgramCache]: Analyzing trace with hash 2035390364, now seen corresponding path program 1 times [2021-04-28 18:52:43,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:52:43,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672217540] [2021-04-28 18:52:43,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:52:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:52:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:52:43,529 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:52:43,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:52:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:52:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:52:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:52:43,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672217540] [2021-04-28 18:52:43,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:52:43,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:52:43,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556222880] [2021-04-28 18:52:43,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:52:43,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:52:43,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:52:43,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:52:43,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:52:43,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 98 transitions, 827 flow. Second operand has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:43,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:52:43,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:52:43,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:52:54,157 INFO L129 PetriNetUnfolder]: 53497/81478 cut-off events. [2021-04-28 18:52:54,157 INFO L130 PetriNetUnfolder]: For 12917/13459 co-relation queries the response was YES. [2021-04-28 18:52:54,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167833 conditions, 81478 events. 53497/81478 cut-off events. For 12917/13459 co-relation queries the response was YES. Maximal size of possible extension queue 14511. Compared 815683 event pairs, 27336 based on Foata normal form. 1564/24214 useless extension candidates. Maximal degree in co-relation 167805. Up to 51787 conditions per place. [2021-04-28 18:52:55,092 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 34 selfloop transitions, 33 changer transitions 0/142 dead transitions. [2021-04-28 18:52:55,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 142 transitions, 1049 flow [2021-04-28 18:52:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:52:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:52:55,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1656 transitions. [2021-04-28 18:52:55,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-04-28 18:52:55,215 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1656 transitions. [2021-04-28 18:52:55,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1656 transitions. [2021-04-28 18:52:55,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:52:55,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1656 transitions. [2021-04-28 18:52:55,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 331.2) internal successors, (1656), 5 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:55,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:55,229 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:52:55,230 INFO L185 Difference]: Start difference. First operand has 88 places, 98 transitions, 827 flow. Second operand 5 states and 1656 transitions. [2021-04-28 18:52:55,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 142 transitions, 1049 flow [2021-04-28 18:52:55,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 142 transitions, 1044 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:52:55,261 INFO L241 Difference]: Finished difference. Result has 94 places, 129 transitions, 1068 flow [2021-04-28 18:52:55,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1068, PETRI_PLACES=94, PETRI_TRANSITIONS=129} [2021-04-28 18:52:55,262 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -63 predicate places. [2021-04-28 18:52:55,262 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:52:55,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 129 transitions, 1068 flow [2021-04-28 18:52:55,262 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 129 transitions, 1068 flow [2021-04-28 18:52:55,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 129 transitions, 1068 flow [2021-04-28 18:53:03,193 INFO L129 PetriNetUnfolder]: 47437/73692 cut-off events. [2021-04-28 18:53:03,193 INFO L130 PetriNetUnfolder]: For 29012/58445 co-relation queries the response was YES. [2021-04-28 18:53:03,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213619 conditions, 73692 events. 47437/73692 cut-off events. For 29012/58445 co-relation queries the response was YES. Maximal size of possible extension queue 12078. Compared 770960 event pairs, 25621 based on Foata normal form. 42/22337 useless extension candidates. Maximal degree in co-relation 213589. Up to 68699 conditions per place. [2021-04-28 18:53:04,459 INFO L146 LiptonReduction]: Number of co-enabled transitions 5746 [2021-04-28 18:53:43,155 INFO L158 LiptonReduction]: Checked pairs total: 4866 [2021-04-28 18:53:43,156 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:53:43,156 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47894 [2021-04-28 18:53:43,157 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 129 transitions, 1068 flow [2021-04-28 18:53:43,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 318.75) internal successors, (1275), 4 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:53:43,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:53:43,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:53:43,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:53:43,159 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:53:43,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:53:43,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1721937913, now seen corresponding path program 1 times [2021-04-28 18:53:43,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:53:43,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418415749] [2021-04-28 18:53:43,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:53:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:53:43,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:53:43,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:53:43,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:53:43,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:53:43,252 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:53:43,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:53:43,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:53:43,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:53:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:53:43,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418415749] [2021-04-28 18:53:43,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:53:43,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:53:43,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688505839] [2021-04-28 18:53:43,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:53:43,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:53:43,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:53:43,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:53:43,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:53:43,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 129 transitions, 1068 flow. Second operand has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:53:43,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:53:43,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:53:43,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:53:55,468 INFO L129 PetriNetUnfolder]: 56569/91912 cut-off events. [2021-04-28 18:53:55,469 INFO L130 PetriNetUnfolder]: For 38154/603062 co-relation queries the response was YES. [2021-04-28 18:53:56,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353608 conditions, 91912 events. 56569/91912 cut-off events. For 38154/603062 co-relation queries the response was YES. Maximal size of possible extension queue 17280. Compared 997264 event pairs, 10119 based on Foata normal form. 2015/31096 useless extension candidates. Maximal degree in co-relation 353576. Up to 84590 conditions per place. [2021-04-28 18:53:56,768 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 35 selfloop transitions, 64 changer transitions 0/174 dead transitions. [2021-04-28 18:53:56,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 174 transitions, 1515 flow [2021-04-28 18:53:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:53:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:53:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2322 transitions. [2021-04-28 18:53:56,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8012422360248447 [2021-04-28 18:53:56,778 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2322 transitions. [2021-04-28 18:53:56,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2322 transitions. [2021-04-28 18:53:56,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:53:56,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2322 transitions. [2021-04-28 18:53:56,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 331.7142857142857) internal successors, (2322), 7 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:53:56,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:53:56,798 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:53:56,798 INFO L185 Difference]: Start difference. First operand has 94 places, 129 transitions, 1068 flow. Second operand 7 states and 2322 transitions. [2021-04-28 18:53:56,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 174 transitions, 1515 flow [2021-04-28 18:53:57,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 174 transitions, 1515 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:53:57,066 INFO L241 Difference]: Finished difference. Result has 103 places, 160 transitions, 1510 flow [2021-04-28 18:53:57,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1510, PETRI_PLACES=103, PETRI_TRANSITIONS=160} [2021-04-28 18:53:57,067 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -54 predicate places. [2021-04-28 18:53:57,067 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:53:57,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 160 transitions, 1510 flow [2021-04-28 18:53:57,068 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 160 transitions, 1510 flow [2021-04-28 18:53:57,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 160 transitions, 1510 flow [2021-04-28 18:54:07,325 INFO L129 PetriNetUnfolder]: 51254/84712 cut-off events. [2021-04-28 18:54:07,325 INFO L130 PetriNetUnfolder]: For 174692/277740 co-relation queries the response was YES. [2021-04-28 18:54:07,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400488 conditions, 84712 events. 51254/84712 cut-off events. For 174692/277740 co-relation queries the response was YES. Maximal size of possible extension queue 15284. Compared 953165 event pairs, 9747 based on Foata normal form. 78/26065 useless extension candidates. Maximal degree in co-relation 400453. Up to 79829 conditions per place. [2021-04-28 18:54:08,887 INFO L146 LiptonReduction]: Number of co-enabled transitions 7578 [2021-04-28 18:55:39,084 INFO L158 LiptonReduction]: Checked pairs total: 8870 [2021-04-28 18:55:39,084 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:55:39,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102017 [2021-04-28 18:55:39,086 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 160 transitions, 1510 flow [2021-04-28 18:55:39,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 318.8) internal successors, (1594), 5 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:55:39,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:55:39,087 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] [2021-04-28 18:55:39,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:55:39,087 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:55:39,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:55:39,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1607339932, now seen corresponding path program 1 times [2021-04-28 18:55:39,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:55:39,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714284464] [2021-04-28 18:55:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:55:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:55:39,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:55:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:55:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:55:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:55:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:55:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:55:39,216 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:55:39,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:55:39,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:55:39,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:55:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:55:39,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714284464] [2021-04-28 18:55:39,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:55:39,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:55:39,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310775595] [2021-04-28 18:55:39,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:55:39,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:55:39,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:55:39,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:55:39,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 414 [2021-04-28 18:55:39,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 160 transitions, 1510 flow. Second operand has 6 states, 6 states have (on average 318.8333333333333) internal successors, (1913), 6 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:55:39,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:55:39,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 414 [2021-04-28 18:55:39,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:55:53,209 INFO L129 PetriNetUnfolder]: 51862/89815 cut-off events. [2021-04-28 18:55:53,209 INFO L130 PetriNetUnfolder]: For 100591/1154295 co-relation queries the response was YES. [2021-04-28 18:55:53,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508150 conditions, 89815 events. 51862/89815 cut-off events. For 100591/1154295 co-relation queries the response was YES. Maximal size of possible extension queue 16758. Compared 1052879 event pairs, 1452 based on Foata normal form. 2132/30151 useless extension candidates. Maximal degree in co-relation 508113. Up to 83627 conditions per place. [2021-04-28 18:55:54,140 INFO L132 encePairwiseOnDemand]: 394/414 looper letters, 24 selfloop transitions, 95 changer transitions 12/206 dead transitions. [2021-04-28 18:55:54,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 206 transitions, 2182 flow [2021-04-28 18:55:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:55:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:55:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2988 transitions. [2021-04-28 18:55:54,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019323671497585 [2021-04-28 18:55:54,151 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2988 transitions. [2021-04-28 18:55:54,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2988 transitions. [2021-04-28 18:55:54,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:55:54,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2988 transitions. [2021-04-28 18:55:54,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 332.0) internal successors, (2988), 9 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:55:54,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:55:54,171 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 414.0) internal successors, (4140), 10 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:55:54,171 INFO L185 Difference]: Start difference. First operand has 103 places, 160 transitions, 1510 flow. Second operand 9 states and 2988 transitions. [2021-04-28 18:55:54,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 206 transitions, 2182 flow [2021-04-28 18:56:22,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 206 transitions, 2019 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 18:56:22,202 INFO L241 Difference]: Finished difference. Result has 111 places, 191 transitions, 1938 flow [2021-04-28 18:56:22,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=1348, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1938, PETRI_PLACES=111, PETRI_TRANSITIONS=191} [2021-04-28 18:56:22,203 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -46 predicate places. [2021-04-28 18:56:22,203 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:56:22,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 191 transitions, 1938 flow [2021-04-28 18:56:22,203 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 191 transitions, 1938 flow [2021-04-28 18:56:22,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 191 transitions, 1938 flow [2021-04-28 18:56:31,707 INFO L129 PetriNetUnfolder]: 38539/71796 cut-off events. [2021-04-28 18:56:31,708 INFO L130 PetriNetUnfolder]: For 304634/381728 co-relation queries the response was YES. [2021-04-28 18:56:32,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410360 conditions, 71796 events. 38539/71796 cut-off events. For 304634/381728 co-relation queries the response was YES. Maximal size of possible extension queue 15052. Compared 914514 event pairs, 1363 based on Foata normal form. 4/21804 useless extension candidates. Maximal degree in co-relation 410322. Up to 56503 conditions per place. [2021-04-28 18:56:33,277 INFO L146 LiptonReduction]: Number of co-enabled transitions 8362 [2021-04-28 19:01:25,659 INFO L158 LiptonReduction]: Checked pairs total: 13138 [2021-04-28 19:01:25,659 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:01:25,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303456 [2021-04-28 19:01:25,661 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 191 transitions, 1938 flow [2021-04-28 19:01:25,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 318.8333333333333) internal successors, (1913), 6 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:01:25,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:01:25,663 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] [2021-04-28 19:01:25,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:01:25,663 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:01:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:01:25,663 INFO L82 PathProgramCache]: Analyzing trace with hash -12246804, now seen corresponding path program 1 times [2021-04-28 19:01:25,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:01:25,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433475538] [2021-04-28 19:01:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:01:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:01:25,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:01:25,786 INFO L142 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size [2021-04-28 19:01:25,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 19:01:25,843 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-04-28 19:01:25,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-28 19:01:25,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:25,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 19:01:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 19:01:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:01:25,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433475538] [2021-04-28 19:01:25,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:01:25,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:01:25,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541734782] [2021-04-28 19:01:25,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 19:01:25,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:01:25,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 19:01:25,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 19:01:25,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 414 [2021-04-28 19:01:25,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 191 transitions, 1938 flow. Second operand has 7 states, 7 states have (on average 201.14285714285714) internal successors, (1408), 7 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:01:25,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:01:25,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 414 [2021-04-28 19:01:25,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:02:01,823 INFO L129 PetriNetUnfolder]: 104382/203494 cut-off events. [2021-04-28 19:02:01,823 INFO L130 PetriNetUnfolder]: For 2263155/3933726 co-relation queries the response was YES. [2021-04-28 19:02:03,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1129335 conditions, 203494 events. 104382/203494 cut-off events. For 2263155/3933726 co-relation queries the response was YES. Maximal size of possible extension queue 37806. Compared 2927314 event pairs, 2654 based on Foata normal form. 618/58565 useless extension candidates. Maximal degree in co-relation 1129295. Up to 154783 conditions per place. [2021-04-28 19:02:04,346 INFO L132 encePairwiseOnDemand]: 405/414 looper letters, 27 selfloop transitions, 15 changer transitions 1/222 dead transitions. [2021-04-28 19:02:04,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 222 transitions, 2254 flow [2021-04-28 19:02:04,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:02:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:02:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1433 transitions. [2021-04-28 19:02:04,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4944789510006901 [2021-04-28 19:02:04,351 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1433 transitions. [2021-04-28 19:02:04,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1433 transitions. [2021-04-28 19:02:04,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:02:04,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1433 transitions. [2021-04-28 19:02:04,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 204.71428571428572) internal successors, (1433), 7 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:04,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:04,361 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 414.0) internal successors, (3312), 8 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:04,362 INFO L185 Difference]: Start difference. First operand has 111 places, 191 transitions, 1938 flow. Second operand 7 states and 1433 transitions. [2021-04-28 19:02:04,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 222 transitions, 2254 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown