/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/mix039_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:32:25,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:32:25,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:32:25,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:32:25,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:32:25,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:32:25,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:32:25,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:32:25,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:32:25,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:32:25,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:32:25,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:32:25,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:32:25,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:32:25,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:32:25,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:32:25,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:32:25,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:32:25,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:32:25,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:32:25,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:32:25,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:32:25,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:32:25,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:32:25,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:32:25,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:32:25,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:32:25,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:32:25,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:32:25,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:32:25,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:32:25,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:32:25,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:32:25,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:32:25,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:32:25,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:32:25,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:32:25,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:32:25,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:32:25,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:32:25,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:32:25,256 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:32:25,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:32:25,256 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:32:25,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:32:25,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:32:25,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:32:25,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:32:25,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:32:25,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:32:25,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:32:25,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:32:25,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:32:25,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:32:25,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:32:25,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:32:25,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:32:25,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:32:25,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:32:25,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:32:25,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:32:25,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:32:25,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:32:25,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:32:25,262 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:32:25,263 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:32:25,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:32:25,263 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:32:25,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:32:25,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:32:25,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:32:25,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:32:25,687 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:32:25,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_power.oepc.i [2021-04-28 20:32:25,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be4f885b/94435a4ac66e48a49c84015d8ba6ca5e/FLAG41c3c7ad2 [2021-04-28 20:32:26,391 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:32:26,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_power.oepc.i [2021-04-28 20:32:26,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be4f885b/94435a4ac66e48a49c84015d8ba6ca5e/FLAG41c3c7ad2 [2021-04-28 20:32:26,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be4f885b/94435a4ac66e48a49c84015d8ba6ca5e [2021-04-28 20:32:26,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:32:26,730 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:32:26,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:32:26,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:32:26,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:32:26,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:32:26" (1/1) ... [2021-04-28 20:32:26,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e92bf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:26, skipping insertion in model container [2021-04-28 20:32:26,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:32:26" (1/1) ... [2021-04-28 20:32:26,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:32:26,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:32:27,048 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/mix039_power.oepc.i[951,964] [2021-04-28 20:32:27,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:32:27,317 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:32:27,336 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/mix039_power.oepc.i[951,964] [2021-04-28 20:32:27,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:32:27,618 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:32:27,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27 WrapperNode [2021-04-28 20:32:27,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:32:27,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:32:27,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:32:27,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:32:27,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:32:27,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:32:27,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:32:27,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:32:27,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... [2021-04-28 20:32:27,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:32:27,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:32:27,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:32:27,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:32:27,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:32:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:32:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:32:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:32:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:32:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:32:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:32:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:32:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:32:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:32:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:32:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:32:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:32:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:32:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:32:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:32:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:32:27,919 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:32:29,996 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:32:29,996 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:32:29,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:32:29 BoogieIcfgContainer [2021-04-28 20:32:29,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:32:30,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:32:30,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:32:30,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:32:30,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:32:26" (1/3) ... [2021-04-28 20:32:30,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c50c61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:32:30, skipping insertion in model container [2021-04-28 20:32:30,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:27" (2/3) ... [2021-04-28 20:32:30,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c50c61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:32:30, skipping insertion in model container [2021-04-28 20:32:30,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:32:29" (3/3) ... [2021-04-28 20:32:30,007 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_power.oepc.i [2021-04-28 20:32:30,014 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:32:30,019 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:32:30,020 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:32:30,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,065 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,066 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,067 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,067 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,070 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,074 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,074 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,075 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,075 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,076 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,080 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,080 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,080 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,081 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,081 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,084 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,085 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,086 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,087 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,088 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,090 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,091 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,092 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,093 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,094 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,095 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,096 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,096 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,105 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,115 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:30,124 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:32:30,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:32:30,171 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:32:30,172 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:32:30,172 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:32:30,172 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:32:30,172 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:32:30,172 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:32:30,173 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:32:30,173 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:32:30,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:32:30,243 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:32:30,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:32:30,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:32:30,249 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:32:30,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 20:32:30,260 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:32:30,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:32:30,287 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:32:30,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 20:32:30,355 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:32:30,355 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:32:30,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:32:30,361 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:32:31,834 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:32:34,234 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:32:34,348 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:32:34,872 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:32:35,081 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:32:44,195 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:32:50,962 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:32:51,473 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:51,592 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:51,719 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:51,831 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:52,277 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:52,380 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:52,679 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:32:53,080 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:53,193 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:53,308 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:53,424 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:53,979 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:32:54,630 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:54,737 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:54,842 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:56,620 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:32:57,060 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:32:57,200 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:32:57,338 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:32:57,476 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:32:59,032 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:32:59,182 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:32:59,329 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:32:59,476 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:32:59,609 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:59,746 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:59,877 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:33:00,004 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:33:00,149 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:33:00,293 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:33:00,443 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:33:00,588 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:33:00,756 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:00,921 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:01,091 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:01,259 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:01,415 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:33:01,571 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:33:01,748 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:33:01,922 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:33:02,119 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:33:02,310 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:33:02,506 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:33:02,704 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:33:02,858 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:02,995 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,135 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,276 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,417 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,561 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,704 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,848 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:03,989 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:04,131 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:04,277 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:04,422 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:04,553 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:33:04,681 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:33:04,811 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:33:04,942 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:33:05,124 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:05,333 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:05,518 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:05,704 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:05,867 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:06,033 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:06,197 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:06,361 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:33:06,518 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:06,674 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:06,832 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:06,992 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:07,172 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:33:07,349 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:33:07,529 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:33:07,707 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:33:07,872 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:08,036 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:08,195 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:08,350 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:33:08,469 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:08,587 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:08,719 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:08,838 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:09,079 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:09,295 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:09,501 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:09,713 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:09,857 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:09,997 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:10,133 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:10,272 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:33:10,472 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:33:10,677 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:33:10,883 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:33:11,084 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:33:11,294 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:11,507 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:11,712 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:11,921 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:12,144 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:12,355 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:12,563 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:12,769 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:12,981 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:13,194 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:13,403 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:13,613 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:13,809 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:33:14,000 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:33:14,205 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:33:14,400 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:33:14,525 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:14,650 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:14,772 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:14,894 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:33:15,441 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:33:15,685 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:33:16,227 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:33:16,482 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:33:16,702 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:16,921 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:17,136 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:17,355 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:33:17,862 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:33:18,101 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:33:18,632 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:33:18,894 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:33:19,090 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:33:19,280 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:33:19,470 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:33:19,658 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:33:19,705 INFO L158 LiptonReduction]: Checked pairs total: 28569 [2021-04-28 20:33:19,705 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 20:33:19,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49452 [2021-04-28 20:33:19,733 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 20:33:19,733 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:19,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:19,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:33:19,734 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 20:33:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1402811, now seen corresponding path program 1 times [2021-04-28 20:33:19,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:19,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124644736] [2021-04-28 20:33:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:20,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:20,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:20,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124644736] [2021-04-28 20:33:20,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:20,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:20,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564671028] [2021-04-28 20:33:20,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:20,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:20,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:20,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:20,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 409 [2021-04-28 20:33:20,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:20,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:20,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 409 [2021-04-28 20:33:20,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:20,320 INFO L129 PetriNetUnfolder]: 133/825 cut-off events. [2021-04-28 20:33:20,321 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:20,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 825 events. 133/825 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7317 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 975. Up to 153 conditions per place. [2021-04-28 20:33:20,333 INFO L132 encePairwiseOnDemand]: 386/409 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 20:33:20,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 362 flow [2021-04-28 20:33:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-04-28 20:33:20,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832110839445803 [2021-04-28 20:33:20,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-04-28 20:33:20,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-04-28 20:33:20,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:20,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-04-28 20:33:20,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:20,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:20,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:20,385 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 961 transitions. [2021-04-28 20:33:20,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 362 flow [2021-04-28 20:33:20,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:33:20,393 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 20:33:20,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=151, PETRI_TRANSITIONS=80} [2021-04-28 20:33:20,396 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 20:33:20,397 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:20,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:33:20,397 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:33:20,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 20:33:20,410 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 20:33:20,410 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:20,410 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 30. Compared 389 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:33:20,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 3316 [2021-04-28 20:33:21,055 INFO L158 LiptonReduction]: Checked pairs total: 4278 [2021-04-28 20:33:21,055 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:21,055 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 658 [2021-04-28 20:33:21,058 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 20:33:21,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:21,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:21,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:33:21,060 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 20:33:21,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:21,061 INFO L82 PathProgramCache]: Analyzing trace with hash 593966690, now seen corresponding path program 1 times [2021-04-28 20:33:21,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:21,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924097142] [2021-04-28 20:33:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:21,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:21,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:21,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924097142] [2021-04-28 20:33:21,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:21,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:21,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858427084] [2021-04-28 20:33:21,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:21,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:21,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:21,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:21,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 409 [2021-04-28 20:33:21,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:21,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 409 [2021-04-28 20:33:21,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:21,321 INFO L129 PetriNetUnfolder]: 23/126 cut-off events. [2021-04-28 20:33:21,322 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:21,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 126 events. 23/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 676 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 204. Up to 51 conditions per place. [2021-04-28 20:33:21,323 INFO L132 encePairwiseOnDemand]: 404/409 looper letters, 1 selfloop transitions, 2 changer transitions 64/103 dead transitions. [2021-04-28 20:33:21,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 103 transitions, 320 flow [2021-04-28 20:33:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:21,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2021-04-28 20:33:21,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.726161369193154 [2021-04-28 20:33:21,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 891 transitions. [2021-04-28 20:33:21,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 891 transitions. [2021-04-28 20:33:21,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:21,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 891 transitions. [2021-04-28 20:33:21,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,336 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 891 transitions. [2021-04-28 20:33:21,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 103 transitions, 320 flow [2021-04-28 20:33:21,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 103 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:21,339 INFO L241 Difference]: Finished difference. Result has 92 places, 39 transitions, 94 flow [2021-04-28 20:33:21,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=92, PETRI_TRANSITIONS=39} [2021-04-28 20:33:21,340 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -64 predicate places. [2021-04-28 20:33:21,340 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:21,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 39 transitions, 94 flow [2021-04-28 20:33:21,341 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 39 transitions, 94 flow [2021-04-28 20:33:21,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 94 flow [2021-04-28 20:33:21,347 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-28 20:33:21,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:21,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 107 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 20:33:21,349 INFO L146 LiptonReduction]: Number of co-enabled transitions 920 [2021-04-28 20:33:21,745 INFO L158 LiptonReduction]: Checked pairs total: 2278 [2021-04-28 20:33:21,745 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:33:21,745 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-04-28 20:33:21,748 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 94 flow [2021-04-28 20:33:21,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:21,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:21,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:33:21,749 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 20:33:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:21,750 INFO L82 PathProgramCache]: Analyzing trace with hash -481086827, now seen corresponding path program 1 times [2021-04-28 20:33:21,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:21,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939501527] [2021-04-28 20:33:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:21,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939501527] [2021-04-28 20:33:21,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:21,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:21,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569413517] [2021-04-28 20:33:21,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:21,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:21,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:21,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:21,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 410 [2021-04-28 20:33:21,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:21,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 410 [2021-04-28 20:33:21,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:21,875 INFO L129 PetriNetUnfolder]: 3/55 cut-off events. [2021-04-28 20:33:21,875 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 20:33:21,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 55 events. 3/55 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 158 event pairs, 1 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 20:33:21,876 INFO L132 encePairwiseOnDemand]: 406/410 looper letters, 3 selfloop transitions, 3 changer transitions 0/41 dead transitions. [2021-04-28 20:33:21,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 41 transitions, 110 flow [2021-04-28 20:33:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2021-04-28 20:33:21,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7910569105691057 [2021-04-28 20:33:21,880 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions. [2021-04-28 20:33:21,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions. [2021-04-28 20:33:21,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:21,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions. [2021-04-28 20:33:21,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,889 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 94 flow. Second operand 3 states and 973 transitions. [2021-04-28 20:33:21,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 41 transitions, 110 flow [2021-04-28 20:33:21,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 41 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:21,894 INFO L241 Difference]: Finished difference. Result has 52 places, 41 transitions, 109 flow [2021-04-28 20:33:21,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2021-04-28 20:33:21,894 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -104 predicate places. [2021-04-28 20:33:21,895 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:21,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 41 transitions, 109 flow [2021-04-28 20:33:21,896 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 41 transitions, 109 flow [2021-04-28 20:33:21,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 109 flow [2021-04-28 20:33:21,906 INFO L129 PetriNetUnfolder]: 3/55 cut-off events. [2021-04-28 20:33:21,907 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 20:33:21,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 55 events. 3/55 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 180 event pairs, 1 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 20:33:21,909 INFO L146 LiptonReduction]: Number of co-enabled transitions 986 [2021-04-28 20:33:21,928 INFO L158 LiptonReduction]: Checked pairs total: 1050 [2021-04-28 20:33:21,928 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:21,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-28 20:33:21,938 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 109 flow [2021-04-28 20:33:21,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:21,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:21,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:21,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:33:21,940 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 20:33:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash -428482555, now seen corresponding path program 1 times [2021-04-28 20:33:21,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:21,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902257321] [2021-04-28 20:33:21,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:22,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:22,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:22,066 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:33:22,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:33:22,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:22,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:22,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902257321] [2021-04-28 20:33:22,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:22,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:33:22,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897816381] [2021-04-28 20:33:22,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:22,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:22,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:22,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:22,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:33:22,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 109 flow. Second operand has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:22,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:22,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:33:22,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:22,766 INFO L129 PetriNetUnfolder]: 3583/5330 cut-off events. [2021-04-28 20:33:22,766 INFO L130 PetriNetUnfolder]: For 381/381 co-relation queries the response was YES. [2021-04-28 20:33:22,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10909 conditions, 5330 events. 3583/5330 cut-off events. For 381/381 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 37082 event pairs, 2250 based on Foata normal form. 304/2769 useless extension candidates. Maximal degree in co-relation 10898. Up to 3781 conditions per place. [2021-04-28 20:33:22,831 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 23 selfloop transitions, 23 changer transitions 6/78 dead transitions. [2021-04-28 20:33:22,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 78 transitions, 287 flow [2021-04-28 20:33:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:33:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:33:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1624 transitions. [2021-04-28 20:33:22,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7921951219512195 [2021-04-28 20:33:22,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1624 transitions. [2021-04-28 20:33:22,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1624 transitions. [2021-04-28 20:33:22,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:22,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1624 transitions. [2021-04-28 20:33:22,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 324.8) internal successors, (1624), 5 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:22,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:22,851 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:22,851 INFO L185 Difference]: Start difference. First operand has 52 places, 41 transitions, 109 flow. Second operand 5 states and 1624 transitions. [2021-04-28 20:33:22,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 78 transitions, 287 flow [2021-04-28 20:33:22,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 78 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:33:22,857 INFO L241 Difference]: Finished difference. Result has 58 places, 63 transitions, 283 flow [2021-04-28 20:33:22,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=283, PETRI_PLACES=58, PETRI_TRANSITIONS=63} [2021-04-28 20:33:22,857 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -98 predicate places. [2021-04-28 20:33:22,857 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:22,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 63 transitions, 283 flow [2021-04-28 20:33:22,858 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 63 transitions, 283 flow [2021-04-28 20:33:22,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 63 transitions, 283 flow [2021-04-28 20:33:23,355 INFO L129 PetriNetUnfolder]: 3277/5021 cut-off events. [2021-04-28 20:33:23,355 INFO L130 PetriNetUnfolder]: For 1403/1406 co-relation queries the response was YES. [2021-04-28 20:33:23,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14348 conditions, 5021 events. 3277/5021 cut-off events. For 1403/1406 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 36698 event pairs, 1947 based on Foata normal form. 0/2362 useless extension candidates. Maximal degree in co-relation 14335. Up to 4046 conditions per place. [2021-04-28 20:33:23,448 INFO L146 LiptonReduction]: Number of co-enabled transitions 1478 [2021-04-28 20:33:23,468 INFO L158 LiptonReduction]: Checked pairs total: 1924 [2021-04-28 20:33:23,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:23,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-04-28 20:33:23,470 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 63 transitions, 283 flow [2021-04-28 20:33:23,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:23,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:23,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:23,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:33:23,471 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 20:33:23,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:23,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1484415543, now seen corresponding path program 1 times [2021-04-28 20:33:23,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:23,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933887702] [2021-04-28 20:33:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:23,535 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:33:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:33:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:23,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933887702] [2021-04-28 20:33:23,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:23,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:33:23,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285402233] [2021-04-28 20:33:23,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:23,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:23,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:23,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:23,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 410 [2021-04-28 20:33:23,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 63 transitions, 283 flow. Second operand has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 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 20:33:23,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:23,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 410 [2021-04-28 20:33:23,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:25,894 INFO L129 PetriNetUnfolder]: 10218/15801 cut-off events. [2021-04-28 20:33:25,895 INFO L130 PetriNetUnfolder]: For 5701/8186 co-relation queries the response was YES. [2021-04-28 20:33:25,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46134 conditions, 15801 events. 10218/15801 cut-off events. For 5701/8186 co-relation queries the response was YES. Maximal size of possible extension queue 2280. Compared 131779 event pairs, 5934 based on Foata normal form. 297/7283 useless extension candidates. Maximal degree in co-relation 46119. Up to 13418 conditions per place. [2021-04-28 20:33:26,217 INFO L132 encePairwiseOnDemand]: 404/410 looper letters, 10 selfloop transitions, 8 changer transitions 0/71 dead transitions. [2021-04-28 20:33:26,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 71 transitions, 341 flow [2021-04-28 20:33:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:33:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:33:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 970 transitions. [2021-04-28 20:33:26,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5914634146341463 [2021-04-28 20:33:26,221 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 970 transitions. [2021-04-28 20:33:26,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 970 transitions. [2021-04-28 20:33:26,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:26,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 970 transitions. [2021-04-28 20:33:26,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.5) internal successors, (970), 4 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:26,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 410.0) internal successors, (2050), 5 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:26,231 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 410.0) internal successors, (2050), 5 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:26,231 INFO L185 Difference]: Start difference. First operand has 58 places, 63 transitions, 283 flow. Second operand 4 states and 970 transitions. [2021-04-28 20:33:26,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 71 transitions, 341 flow [2021-04-28 20:33:26,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 71 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:33:26,263 INFO L241 Difference]: Finished difference. Result has 62 places, 67 transitions, 316 flow [2021-04-28 20:33:26,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=316, PETRI_PLACES=62, PETRI_TRANSITIONS=67} [2021-04-28 20:33:26,263 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -94 predicate places. [2021-04-28 20:33:26,263 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:26,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 67 transitions, 316 flow [2021-04-28 20:33:26,264 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 67 transitions, 316 flow [2021-04-28 20:33:26,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 67 transitions, 316 flow [2021-04-28 20:33:27,357 INFO L129 PetriNetUnfolder]: 6352/9661 cut-off events. [2021-04-28 20:33:27,358 INFO L130 PetriNetUnfolder]: For 3187/3729 co-relation queries the response was YES. [2021-04-28 20:33:27,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28415 conditions, 9661 events. 6352/9661 cut-off events. For 3187/3729 co-relation queries the response was YES. Maximal size of possible extension queue 1275. Compared 75028 event pairs, 3844 based on Foata normal form. 2/4333 useless extension candidates. Maximal degree in co-relation 28399. Up to 8468 conditions per place. [2021-04-28 20:33:27,636 INFO L146 LiptonReduction]: Number of co-enabled transitions 1534 [2021-04-28 20:33:28,503 INFO L158 LiptonReduction]: Checked pairs total: 1890 [2021-04-28 20:33:28,504 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:28,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2241 [2021-04-28 20:33:28,505 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 67 transitions, 316 flow [2021-04-28 20:33:28,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 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 20:33:28,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:28,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:28,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:33:28,507 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 20:33:28,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1359949499, now seen corresponding path program 1 times [2021-04-28 20:33:28,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:28,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646355480] [2021-04-28 20:33:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:28,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:28,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:28,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:28,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:28,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646355480] [2021-04-28 20:33:28,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:28,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:33:28,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982952430] [2021-04-28 20:33:28,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:28,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:28,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:28,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:28,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 410 [2021-04-28 20:33:28,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 67 transitions, 316 flow. Second operand has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:28,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:28,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 410 [2021-04-28 20:33:28,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:30,833 INFO L129 PetriNetUnfolder]: 13788/20892 cut-off events. [2021-04-28 20:33:30,833 INFO L130 PetriNetUnfolder]: For 10630/17967 co-relation queries the response was YES. [2021-04-28 20:33:30,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61668 conditions, 20892 events. 13788/20892 cut-off events. For 10630/17967 co-relation queries the response was YES. Maximal size of possible extension queue 3222. Compared 178921 event pairs, 8362 based on Foata normal form. 482/9334 useless extension candidates. Maximal degree in co-relation 61650. Up to 18509 conditions per place. [2021-04-28 20:33:30,984 INFO L132 encePairwiseOnDemand]: 406/410 looper letters, 3 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2021-04-28 20:33:30,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 68 transitions, 332 flow [2021-04-28 20:33:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:33:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:33:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1011 transitions. [2021-04-28 20:33:30,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6164634146341463 [2021-04-28 20:33:30,989 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1011 transitions. [2021-04-28 20:33:30,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1011 transitions. [2021-04-28 20:33:30,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:30,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1011 transitions. [2021-04-28 20:33:30,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.75) internal successors, (1011), 4 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:30,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 410.0) internal successors, (2050), 5 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:30,998 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 410.0) internal successors, (2050), 5 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:30,998 INFO L185 Difference]: Start difference. First operand has 62 places, 67 transitions, 316 flow. Second operand 4 states and 1011 transitions. [2021-04-28 20:33:30,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 68 transitions, 332 flow [2021-04-28 20:33:31,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 68 transitions, 330 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 20:33:31,030 INFO L241 Difference]: Finished difference. Result has 67 places, 68 transitions, 333 flow [2021-04-28 20:33:31,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=333, PETRI_PLACES=67, PETRI_TRANSITIONS=68} [2021-04-28 20:33:31,030 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -89 predicate places. [2021-04-28 20:33:31,030 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:31,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 68 transitions, 333 flow [2021-04-28 20:33:31,031 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 68 transitions, 333 flow [2021-04-28 20:33:31,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 68 transitions, 333 flow [2021-04-28 20:33:32,702 INFO L129 PetriNetUnfolder]: 12978/19542 cut-off events. [2021-04-28 20:33:32,702 INFO L130 PetriNetUnfolder]: For 7392/12700 co-relation queries the response was YES. [2021-04-28 20:33:32,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57836 conditions, 19542 events. 12978/19542 cut-off events. For 7392/12700 co-relation queries the response was YES. Maximal size of possible extension queue 2819. Compared 170631 event pairs, 7912 based on Foata normal form. 2/8389 useless extension candidates. Maximal degree in co-relation 57817. Up to 17327 conditions per place. [2021-04-28 20:33:32,912 INFO L146 LiptonReduction]: Number of co-enabled transitions 1580 [2021-04-28 20:33:33,141 INFO L158 LiptonReduction]: Checked pairs total: 1826 [2021-04-28 20:33:33,141 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:33,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2112 [2021-04-28 20:33:33,143 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 68 transitions, 333 flow [2021-04-28 20:33:33,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:33,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:33,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:33,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:33:33,144 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 20:33:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:33,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1926855242, now seen corresponding path program 1 times [2021-04-28 20:33:33,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:33,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529965176] [2021-04-28 20:33:33,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:33,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:33,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:33,214 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:33:33,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:33:33,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:33,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:33,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529965176] [2021-04-28 20:33:33,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:33,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:33:33,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634346573] [2021-04-28 20:33:33,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:33:33,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:33,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:33:33,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:33:33,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:33:33,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 68 transitions, 333 flow. Second operand has 5 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:33,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:33,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:33:33,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:35,399 INFO L129 PetriNetUnfolder]: 14085/22008 cut-off events. [2021-04-28 20:33:35,399 INFO L130 PetriNetUnfolder]: For 9443/26628 co-relation queries the response was YES. [2021-04-28 20:33:35,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86292 conditions, 22008 events. 14085/22008 cut-off events. For 9443/26628 co-relation queries the response was YES. Maximal size of possible extension queue 3780. Compared 191470 event pairs, 3700 based on Foata normal form. 1523/10631 useless extension candidates. Maximal degree in co-relation 86271. Up to 19859 conditions per place. [2021-04-28 20:33:35,514 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 23 selfloop transitions, 48 changer transitions 3/105 dead transitions. [2021-04-28 20:33:35,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 105 transitions, 701 flow [2021-04-28 20:33:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:33:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:33:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2274 transitions. [2021-04-28 20:33:35,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7923344947735191 [2021-04-28 20:33:35,522 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2274 transitions. [2021-04-28 20:33:35,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2274 transitions. [2021-04-28 20:33:35,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:35,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2274 transitions. [2021-04-28 20:33:35,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 324.85714285714283) internal successors, (2274), 7 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:35,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:35,538 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:35,538 INFO L185 Difference]: Start difference. First operand has 67 places, 68 transitions, 333 flow. Second operand 7 states and 2274 transitions. [2021-04-28 20:33:35,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 105 transitions, 701 flow [2021-04-28 20:33:35,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 105 transitions, 698 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:33:35,584 INFO L241 Difference]: Finished difference. Result has 75 places, 93 transitions, 681 flow [2021-04-28 20:33:35,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=681, PETRI_PLACES=75, PETRI_TRANSITIONS=93} [2021-04-28 20:33:35,585 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -81 predicate places. [2021-04-28 20:33:35,585 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:35,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 93 transitions, 681 flow [2021-04-28 20:33:35,585 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 93 transitions, 681 flow [2021-04-28 20:33:35,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 93 transitions, 681 flow [2021-04-28 20:33:37,785 INFO L129 PetriNetUnfolder]: 13905/21911 cut-off events. [2021-04-28 20:33:37,785 INFO L130 PetriNetUnfolder]: For 30897/44388 co-relation queries the response was YES. [2021-04-28 20:33:37,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102711 conditions, 21911 events. 13905/21911 cut-off events. For 30897/44388 co-relation queries the response was YES. Maximal size of possible extension queue 3463. Compared 197520 event pairs, 3700 based on Foata normal form. 18/9086 useless extension candidates. Maximal degree in co-relation 102688. Up to 19739 conditions per place. [2021-04-28 20:33:37,998 INFO L146 LiptonReduction]: Number of co-enabled transitions 2266 [2021-04-28 20:33:38,128 INFO L158 LiptonReduction]: Checked pairs total: 4128 [2021-04-28 20:33:38,129 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:38,129 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2544 [2021-04-28 20:33:38,130 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 681 flow [2021-04-28 20:33:38,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:38,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:38,131 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:38,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:33:38,131 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 20:33:38,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:38,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1313252065, now seen corresponding path program 1 times [2021-04-28 20:33:38,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:38,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268162977] [2021-04-28 20:33:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:38,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:38,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:38,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:38,251 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:33:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:33:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:38,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268162977] [2021-04-28 20:33:38,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:38,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:33:38,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898372464] [2021-04-28 20:33:38,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:33:38,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:38,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:33:38,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:33:38,267 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:33:38,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 93 transitions, 681 flow. Second operand has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:38,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:38,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:33:38,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:40,308 INFO L129 PetriNetUnfolder]: 10710/18498 cut-off events. [2021-04-28 20:33:40,309 INFO L130 PetriNetUnfolder]: For 24554/77300 co-relation queries the response was YES. [2021-04-28 20:33:40,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105041 conditions, 18498 events. 10710/18498 cut-off events. For 24554/77300 co-relation queries the response was YES. Maximal size of possible extension queue 3699. Compared 178969 event pairs, 649 based on Foata normal form. 1589/9120 useless extension candidates. Maximal degree in co-relation 105016. Up to 17051 conditions per place. [2021-04-28 20:33:40,416 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 14 selfloop transitions, 70 changer transitions 15/130 dead transitions. [2021-04-28 20:33:40,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 130 transitions, 1227 flow [2021-04-28 20:33:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:33:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:33:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2927 transitions. [2021-04-28 20:33:40,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7932249322493224 [2021-04-28 20:33:40,426 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2927 transitions. [2021-04-28 20:33:40,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2927 transitions. [2021-04-28 20:33:40,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:40,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2927 transitions. [2021-04-28 20:33:40,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 325.22222222222223) internal successors, (2927), 9 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:40,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 410.0) internal successors, (4100), 10 states have internal predecessors, (4100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:40,446 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 410.0) internal successors, (4100), 10 states have internal predecessors, (4100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:40,447 INFO L185 Difference]: Start difference. First operand has 75 places, 93 transitions, 681 flow. Second operand 9 states and 2927 transitions. [2021-04-28 20:33:40,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 130 transitions, 1227 flow [2021-04-28 20:33:40,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 130 transitions, 1105 flow, removed 49 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:40,955 INFO L241 Difference]: Finished difference. Result has 84 places, 115 transitions, 1001 flow [2021-04-28 20:33:40,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1001, PETRI_PLACES=84, PETRI_TRANSITIONS=115} [2021-04-28 20:33:40,956 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -72 predicate places. [2021-04-28 20:33:40,956 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:40,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 115 transitions, 1001 flow [2021-04-28 20:33:40,956 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 115 transitions, 1001 flow [2021-04-28 20:33:40,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 115 transitions, 1001 flow [2021-04-28 20:33:42,493 INFO L129 PetriNetUnfolder]: 7551/14181 cut-off events. [2021-04-28 20:33:42,493 INFO L130 PetriNetUnfolder]: For 39661/46891 co-relation queries the response was YES. [2021-04-28 20:33:42,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83996 conditions, 14181 events. 7551/14181 cut-off events. For 39661/46891 co-relation queries the response was YES. Maximal size of possible extension queue 2617. Compared 146880 event pairs, 649 based on Foata normal form. 1/6120 useless extension candidates. Maximal degree in co-relation 83969. Up to 10982 conditions per place. [2021-04-28 20:33:42,643 INFO L146 LiptonReduction]: Number of co-enabled transitions 2508 [2021-04-28 20:33:43,515 INFO L158 LiptonReduction]: Checked pairs total: 6121 [2021-04-28 20:33:43,515 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:43,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2559 [2021-04-28 20:33:43,516 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 115 transitions, 1001 flow [2021-04-28 20:33:43,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:43,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:43,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:43,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:33:43,518 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 20:33:43,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:43,518 INFO L82 PathProgramCache]: Analyzing trace with hash 374390277, now seen corresponding path program 1 times [2021-04-28 20:33:43,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:43,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424829567] [2021-04-28 20:33:43,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:43,662 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-28 20:33:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-28 20:33:43,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-04-28 20:33:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-28 20:33:43,873 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2021-04-28 20:33:43,883 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-04-28 20:33:43,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-28 20:33:43,920 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-04-28 20:33:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-28 20:33:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:43,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:43,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424829567] [2021-04-28 20:33:43,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:43,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:33:43,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778525803] [2021-04-28 20:33:43,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:33:43,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:43,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:33:43,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:33:43,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 410 [2021-04-28 20:33:43,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 115 transitions, 1001 flow. Second operand has 7 states, 7 states have (on average 221.14285714285714) internal successors, (1548), 7 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:43,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:43,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 410 [2021-04-28 20:33:43,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:52,271 INFO L129 PetriNetUnfolder]: 32398/63409 cut-off events. [2021-04-28 20:33:52,271 INFO L130 PetriNetUnfolder]: For 233429/424144 co-relation queries the response was YES. [2021-04-28 20:33:52,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364148 conditions, 63409 events. 32398/63409 cut-off events. For 233429/424144 co-relation queries the response was YES. Maximal size of possible extension queue 11577. Compared 798710 event pairs, 2246 based on Foata normal form. 662/27664 useless extension candidates. Maximal degree in co-relation 364119. Up to 42806 conditions per place. [2021-04-28 20:33:52,814 INFO L132 encePairwiseOnDemand]: 401/410 looper letters, 13 selfloop transitions, 15 changer transitions 2/136 dead transitions. [2021-04-28 20:33:52,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 136 transitions, 1167 flow [2021-04-28 20:33:52,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:33:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:33:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1571 transitions. [2021-04-28 20:33:52,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5473867595818815 [2021-04-28 20:33:52,822 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1571 transitions. [2021-04-28 20:33:52,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1571 transitions. [2021-04-28 20:33:52,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:52,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1571 transitions. [2021-04-28 20:33:52,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 224.42857142857142) internal successors, (1571), 7 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:52,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:52,835 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:52,835 INFO L185 Difference]: Start difference. First operand has 84 places, 115 transitions, 1001 flow. Second operand 7 states and 1571 transitions. [2021-04-28 20:33:52,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 136 transitions, 1167 flow [2021-04-28 20:36:16,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 136 transitions, 930 flow, removed 83 selfloop flow, removed 4 redundant places. [2021-04-28 20:36:16,736 INFO L241 Difference]: Finished difference. Result has 90 places, 130 transitions, 887 flow [2021-04-28 20:36:16,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=887, PETRI_PLACES=90, PETRI_TRANSITIONS=130} [2021-04-28 20:36:16,736 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -66 predicate places. [2021-04-28 20:36:16,736 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:16,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 130 transitions, 887 flow [2021-04-28 20:36:16,736 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 130 transitions, 887 flow [2021-04-28 20:36:16,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 130 transitions, 887 flow [2021-04-28 20:36:23,460 INFO L129 PetriNetUnfolder]: 38959/69060 cut-off events. [2021-04-28 20:36:23,460 INFO L130 PetriNetUnfolder]: For 140148/161199 co-relation queries the response was YES. [2021-04-28 20:36:23,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281761 conditions, 69060 events. 38959/69060 cut-off events. For 140148/161199 co-relation queries the response was YES. Maximal size of possible extension queue 12588. Compared 814698 event pairs, 1772 based on Foata normal form. 168/27415 useless extension candidates. Maximal degree in co-relation 281729. Up to 28972 conditions per place. [2021-04-28 20:36:24,700 INFO L146 LiptonReduction]: Number of co-enabled transitions 3822 [2021-04-28 20:36:24,972 INFO L158 LiptonReduction]: Checked pairs total: 338 [2021-04-28 20:36:24,972 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:24,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8236 [2021-04-28 20:36:24,973 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 130 transitions, 887 flow [2021-04-28 20:36:24,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 221.14285714285714) internal successors, (1548), 7 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:24,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:24,974 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:24,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:36:24,975 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 20:36:24,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:24,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1120085100, now seen corresponding path program 1 times [2021-04-28 20:36:24,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:24,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612555923] [2021-04-28 20:36:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:25,088 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 20:36:25,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 20:36:25,115 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-04-28 20:36:25,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-28 20:36:25,167 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.4 percent of original size [2021-04-28 20:36:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-28 20:36:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:36:25,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:36:25,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612555923] [2021-04-28 20:36:25,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:25,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:36:25,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448837702] [2021-04-28 20:36:25,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:36:25,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:25,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:36:25,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:36:25,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 410 [2021-04-28 20:36:25,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 130 transitions, 887 flow. Second operand has 7 states, 7 states have (on average 186.71428571428572) internal successors, (1307), 7 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:25,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:25,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 410 [2021-04-28 20:36:25,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:43,194 INFO L129 PetriNetUnfolder]: 70712/140462 cut-off events. [2021-04-28 20:36:43,195 INFO L130 PetriNetUnfolder]: For 366527/390584 co-relation queries the response was YES. [2021-04-28 20:36:44,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579415 conditions, 140462 events. 70712/140462 cut-off events. For 366527/390584 co-relation queries the response was YES. Maximal size of possible extension queue 25350. Compared 1957904 event pairs, 4074 based on Foata normal form. 2229/61991 useless extension candidates. Maximal degree in co-relation 579381. Up to 53110 conditions per place. [2021-04-28 20:36:44,309 INFO L132 encePairwiseOnDemand]: 398/410 looper letters, 72 selfloop transitions, 44 changer transitions 16/226 dead transitions. [2021-04-28 20:36:44,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 226 transitions, 1777 flow [2021-04-28 20:36:44,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:36:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:36:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1749 transitions. [2021-04-28 20:36:44,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4739837398373984 [2021-04-28 20:36:44,323 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1749 transitions. [2021-04-28 20:36:44,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1749 transitions. [2021-04-28 20:36:44,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:44,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1749 transitions. [2021-04-28 20:36:44,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.33333333333334) internal successors, (1749), 9 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:44,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 410.0) internal successors, (4100), 10 states have internal predecessors, (4100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:44,337 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 410.0) internal successors, (4100), 10 states have internal predecessors, (4100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:44,337 INFO L185 Difference]: Start difference. First operand has 90 places, 130 transitions, 887 flow. Second operand 9 states and 1749 transitions. [2021-04-28 20:36:44,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 226 transitions, 1777 flow [2021-04-28 20:44:20,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 226 transitions, 1762 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-28 20:44:20,105 INFO L241 Difference]: Finished difference. Result has 102 places, 161 transitions, 1280 flow [2021-04-28 20:44:20,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1280, PETRI_PLACES=102, PETRI_TRANSITIONS=161} [2021-04-28 20:44:20,105 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -54 predicate places. [2021-04-28 20:44:20,105 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:44:20,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 161 transitions, 1280 flow [2021-04-28 20:44:20,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 161 transitions, 1280 flow [2021-04-28 20:44:20,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 161 transitions, 1280 flow [2021-04-28 20:44:37,494 INFO L129 PetriNetUnfolder]: 73703/139121 cut-off events. [2021-04-28 20:44:37,494 INFO L130 PetriNetUnfolder]: For 388301/407610 co-relation queries the response was YES. [2021-04-28 20:44:38,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583788 conditions, 139121 events. 73703/139121 cut-off events. For 388301/407610 co-relation queries the response was YES. Maximal size of possible extension queue 24351. Compared 1872593 event pairs, 4275 based on Foata normal form. 980/59009 useless extension candidates. Maximal degree in co-relation 583750. Up to 53839 conditions per place. [2021-04-28 20:44:39,745 INFO L146 LiptonReduction]: Number of co-enabled transitions 5776 [2021-04-28 20:44:39,887 INFO L158 LiptonReduction]: Checked pairs total: 637 [2021-04-28 20:44:39,887 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:44:39,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19782 [2021-04-28 20:44:39,888 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 161 transitions, 1280 flow [2021-04-28 20:44:39,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 186.71428571428572) internal successors, (1307), 7 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:44:39,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:44:39,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:44:39,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:44:39,890 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:44:39,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:44:39,890 INFO L82 PathProgramCache]: Analyzing trace with hash -763059947, now seen corresponding path program 1 times [2021-04-28 20:44:39,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:44:39,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579193022] [2021-04-28 20:44:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:44:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:44:39,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:44:39,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:44:39,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:44:39,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:44:39,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:44:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:44:39,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:44:39,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:44:40,002 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:44:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:44:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:44:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:44:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:44:40,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579193022] [2021-04-28 20:44:40,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:44:40,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:44:40,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964475287] [2021-04-28 20:44:40,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:44:40,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:44:40,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:44:40,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:44:40,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:44:40,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 161 transitions, 1280 flow. Second operand has 7 states, 7 states have (on average 314.85714285714283) internal successors, (2204), 7 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:44:40,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:44:40,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:44:40,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:45:00,531 INFO L129 PetriNetUnfolder]: 69693/132027 cut-off events. [2021-04-28 20:45:00,531 INFO L130 PetriNetUnfolder]: For 456949/884525 co-relation queries the response was YES. [2021-04-28 20:45:01,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638734 conditions, 132027 events. 69693/132027 cut-off events. For 456949/884525 co-relation queries the response was YES. Maximal size of possible extension queue 24798. Compared 1739673 event pairs, 227 based on Foata normal form. 13490/63593 useless extension candidates. Maximal degree in co-relation 638694. Up to 50383 conditions per place. [2021-04-28 20:45:01,392 INFO L132 encePairwiseOnDemand]: 395/410 looper letters, 3 selfloop transitions, 83 changer transitions 28/172 dead transitions. [2021-04-28 20:45:01,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 172 transitions, 1589 flow [2021-04-28 20:45:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:45:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:45:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3553 transitions. [2021-04-28 20:45:01,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7878048780487805 [2021-04-28 20:45:01,403 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3553 transitions. [2021-04-28 20:45:01,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3553 transitions. [2021-04-28 20:45:01,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:45:01,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3553 transitions. [2021-04-28 20:45:01,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 323.0) internal successors, (3553), 11 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:45:01,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 410.0) internal successors, (4920), 12 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:45:01,421 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 410.0) internal successors, (4920), 12 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:45:01,421 INFO L185 Difference]: Start difference. First operand has 102 places, 161 transitions, 1280 flow. Second operand 11 states and 3553 transitions. [2021-04-28 20:45:01,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 172 transitions, 1589 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown