/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_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:35:29,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:35:29,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:35:29,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:35:29,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:35:29,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:35:29,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:35:29,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:35:29,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:35:29,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:35:29,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:35:29,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:35:29,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:35:29,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:35:29,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:35:29,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:35:29,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:35:29,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:35:29,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:35:29,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:35:29,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:35:29,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:35:29,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:35:29,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:35:29,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:35:29,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:35:29,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:35:29,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:35:29,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:35:29,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:35:29,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:35:29,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:35:29,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:35:29,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:35:29,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:35:29,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:35:29,187 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 20:35:29,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:35:29,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:35:29,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:35:29,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:35:29,253 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:35:29,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:35:29,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:35:29,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:35:29,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:35:29,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:35:29,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:35:29,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:35:29,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:35:29,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:35:29,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:35:29,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:35:29,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:35:29,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:35:29,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:35:29,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:35:29,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:35:29,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:35:29,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:35:29,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:35:29,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:35:29,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:35:29,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:35:29,260 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:35:29,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:35:29,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:35:29,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:35:29,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:35:29,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:35:29,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:35:29,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:35:29,657 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:35:29,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_tso.oepc.i [2021-04-28 20:35:29,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814a1cb15/162a708f55cd4fcdbf7322ed55aa9b38/FLAGcd28c4e36 [2021-04-28 20:35:30,533 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:35:30,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_tso.oepc.i [2021-04-28 20:35:30,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814a1cb15/162a708f55cd4fcdbf7322ed55aa9b38/FLAGcd28c4e36 [2021-04-28 20:35:30,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814a1cb15/162a708f55cd4fcdbf7322ed55aa9b38 [2021-04-28 20:35:30,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:35:30,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:35:30,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:35:30,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:35:30,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:35:30,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:35:30" (1/1) ... [2021-04-28 20:35:30,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2576360c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:30, skipping insertion in model container [2021-04-28 20:35:30,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:35:30" (1/1) ... [2021-04-28 20:35:30,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:35:30,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:35:31,158 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_tso.oepc.i[949,962] [2021-04-28 20:35:31,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:35:31,545 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:35:31,561 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_tso.oepc.i[949,962] [2021-04-28 20:35:31,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:35:31,801 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:35:31,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31 WrapperNode [2021-04-28 20:35:31,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:35:31,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:35:31,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:35:31,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:35:31,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:35:31,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:35:31,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:35:31,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:35:31,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (1/1) ... [2021-04-28 20:35:31,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:35:31,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:35:31,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:35:31,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:35:31,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (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 20:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:35:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:35:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:35:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:35:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:35:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:35:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:35:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:35:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:35:32,097 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 20:35:34,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:35:34,479 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:35:34,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:35:34 BoogieIcfgContainer [2021-04-28 20:35:34,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:35:34,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:35:34,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:35:34,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:35:34,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:35:30" (1/3) ... [2021-04-28 20:35:34,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cf9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:35:34, skipping insertion in model container [2021-04-28 20:35:34,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:35:31" (2/3) ... [2021-04-28 20:35:34,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3cf9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:35:34, skipping insertion in model container [2021-04-28 20:35:34,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:35:34" (3/3) ... [2021-04-28 20:35:34,490 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_tso.oepc.i [2021-04-28 20:35:34,498 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:35:34,503 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:35:34,504 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:35:34,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,549 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,549 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,549 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,550 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,550 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,555 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,555 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,566 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,566 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,567 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,567 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,572 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,589 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,590 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,599 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,606 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,607 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:35:34,609 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:35:34,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:35:34,658 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:35:34,658 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:35:34,658 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:35:34,658 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:35:34,658 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:35:34,658 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:35:34,658 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:35:34,659 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:35:34,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:35:34,726 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:35:34,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:34,731 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 20:35:34,732 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:35:34,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 20:35:34,744 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:34,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:35:34,764 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:35:34,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 20:35:34,793 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:35:34,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:34,794 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 20:35:34,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:35:38,703 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:35:38,821 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:35:39,339 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:35:39,536 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:35:40,307 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 20:35:48,847 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:35:56,570 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:35:57,048 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:57,166 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:57,284 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:57,400 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:57,868 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:57,979 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:58,084 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:58,188 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:58,294 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:35:58,395 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:35:58,599 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:35:58,722 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:58,839 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:58,960 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:59,081 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:59,213 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:59,317 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:59,420 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:59,522 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:00,006 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:36:00,120 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:36:00,226 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:36:00,328 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:36:00,438 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:36:00,550 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:36:00,663 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:36:00,772 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:36:01,234 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:01,341 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:01,446 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:01,552 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:01,654 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:36:01,756 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:36:01,858 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:36:01,959 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:36:02,066 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,203 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,309 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,415 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,522 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,628 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,737 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,840 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:02,992 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:36:03,141 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:36:03,290 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:36:03,439 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:36:03,545 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:03,649 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:03,757 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:03,865 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:04,359 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:04,466 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:04,574 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:04,681 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:36:05,113 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:36:05,271 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:36:05,427 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:36:05,581 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:36:05,722 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:36:05,862 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:36:05,990 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:36:06,126 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:36:06,282 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:36:06,437 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:36:06,587 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:36:06,739 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:36:06,913 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:07,090 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:07,269 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:07,445 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:07,610 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:36:07,773 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:36:07,976 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:36:08,139 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:36:08,319 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:36:08,502 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:36:08,690 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:36:08,870 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:36:09,016 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,160 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,308 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,460 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,613 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,762 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:09,916 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,072 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,223 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,375 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,530 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,687 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:10,819 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:36:10,958 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:36:11,117 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:36:11,265 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:36:11,480 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:36:11,692 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:36:11,906 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:36:12,122 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:36:12,307 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:12,481 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:12,656 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:12,831 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:36:12,996 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:13,159 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:13,333 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:13,501 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:13,690 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:36:13,871 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:36:14,056 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:36:14,252 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:36:14,429 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:14,597 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:14,767 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:14,957 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:36:15,078 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:15,205 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:15,332 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:15,456 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:15,712 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:15,933 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:16,157 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:16,383 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:16,539 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:16,688 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:16,839 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:16,992 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:36:17,201 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:36:17,416 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:36:17,625 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:36:17,840 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:36:18,063 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:18,288 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:18,505 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:18,740 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:18,962 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:19,175 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:19,396 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:19,616 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:19,846 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:20,069 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:20,293 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:20,516 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:20,724 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:36:20,934 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:36:21,144 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:36:21,353 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:36:21,484 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:21,615 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:21,747 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:21,873 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:36:22,448 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:36:22,719 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:36:23,290 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:36:23,543 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:36:23,771 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:24,000 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:24,237 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:24,459 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:36:25,007 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:36:25,252 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:36:25,800 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:36:26,067 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:36:26,275 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:36:26,481 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:36:26,681 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:36:26,877 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:36:26,948 INFO L158 LiptonReduction]: Checked pairs total: 28569 [2021-04-28 20:36:26,949 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 20:36:26,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52213 [2021-04-28 20:36:26,978 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 20:36:26,978 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:36:26,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:26,979 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:36:26,979 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 20:36:26,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:26,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1402811, now seen corresponding path program 1 times [2021-04-28 20:36:26,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:26,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690303204] [2021-04-28 20:36:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:27,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:27,285 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 20:36:27,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690303204] [2021-04-28 20:36:27,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:27,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:36:27,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080576161] [2021-04-28 20:36:27,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:36:27,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:36:27,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:36:27,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 409 [2021-04-28 20:36:27,333 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 20:36:27,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:27,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 409 [2021-04-28 20:36:27,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:27,606 INFO L129 PetriNetUnfolder]: 133/825 cut-off events. [2021-04-28 20:36:27,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:36:27,612 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 20:36:27,619 INFO L132 encePairwiseOnDemand]: 386/409 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 20:36:27,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 362 flow [2021-04-28 20:36:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:36:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:36:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-04-28 20:36:27,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832110839445803 [2021-04-28 20:36:27,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-04-28 20:36:27,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-04-28 20:36:27,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:27,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-04-28 20:36:27,654 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 20:36:27,664 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 20:36:27,666 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 20:36:27,668 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 961 transitions. [2021-04-28 20:36:27,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 362 flow [2021-04-28 20:36:27,673 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 20:36:27,676 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 20:36:27,679 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 20:36:27,680 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 20:36:27,680 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:27,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:36:27,681 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:36:27,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 20:36:27,693 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 20:36:27,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:36:27,694 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 20:36:27,696 INFO L146 LiptonReduction]: Number of co-enabled transitions 3316 [2021-04-28 20:36:28,376 INFO L158 LiptonReduction]: Checked pairs total: 4278 [2021-04-28 20:36:28,376 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:28,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 696 [2021-04-28 20:36:28,379 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 20:36:28,380 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 20:36:28,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:28,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:28,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:36:28,381 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 20:36:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash 593966690, now seen corresponding path program 1 times [2021-04-28 20:36:28,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:28,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440762673] [2021-04-28 20:36:28,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:28,522 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:28,533 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 20:36:28,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440762673] [2021-04-28 20:36:28,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:28,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:36:28,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529487155] [2021-04-28 20:36:28,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:36:28,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:28,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:36:28,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:36:28,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 409 [2021-04-28 20:36:28,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:28,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:28,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 409 [2021-04-28 20:36:28,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:29,957 INFO L129 PetriNetUnfolder]: 3314/8570 cut-off events. [2021-04-28 20:36:29,958 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:36:30,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13526 conditions, 8570 events. 3314/8570 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1299. Compared 101032 event pairs, 1090 based on Foata normal form. 0/5467 useless extension candidates. Maximal degree in co-relation 13517. Up to 3411 conditions per place. [2021-04-28 20:36:30,016 INFO L132 encePairwiseOnDemand]: 387/409 looper letters, 7 selfloop transitions, 7 changer transitions 50/109 dead transitions. [2021-04-28 20:36:30,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 109 transitions, 354 flow [2021-04-28 20:36:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:36:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:36:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2021-04-28 20:36:30,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6299918500407498 [2021-04-28 20:36:30,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 773 transitions. [2021-04-28 20:36:30,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 773 transitions. [2021-04-28 20:36:30,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:30,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 773 transitions. [2021-04-28 20:36:30,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 0 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 20:36:30,027 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 20:36:30,029 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 20:36:30,029 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 773 transitions. [2021-04-28 20:36:30,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 109 transitions, 354 flow [2021-04-28 20:36:30,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 109 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:36:30,033 INFO L241 Difference]: Finished difference. Result has 93 places, 59 transitions, 168 flow [2021-04-28 20:36:30,033 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=93, PETRI_TRANSITIONS=59} [2021-04-28 20:36:30,034 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -63 predicate places. [2021-04-28 20:36:30,034 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:30,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 59 transitions, 168 flow [2021-04-28 20:36:30,035 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 59 transitions, 168 flow [2021-04-28 20:36:30,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 59 transitions, 168 flow [2021-04-28 20:36:30,125 INFO L129 PetriNetUnfolder]: 152/605 cut-off events. [2021-04-28 20:36:30,125 INFO L130 PetriNetUnfolder]: For 39/42 co-relation queries the response was YES. [2021-04-28 20:36:30,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 605 events. 152/605 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4760 event pairs, 74 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 964. Up to 221 conditions per place. [2021-04-28 20:36:30,142 INFO L146 LiptonReduction]: Number of co-enabled transitions 2032 [2021-04-28 20:36:30,464 INFO L158 LiptonReduction]: Checked pairs total: 1417 [2021-04-28 20:36:30,464 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:30,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 430 [2021-04-28 20:36:30,467 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 168 flow [2021-04-28 20:36:30,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:36:30,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:30,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:30,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:36:30,468 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 20:36:30,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:30,469 INFO L82 PathProgramCache]: Analyzing trace with hash 821464063, now seen corresponding path program 1 times [2021-04-28 20:36:30,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:30,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013735419] [2021-04-28 20:36:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:30,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:30,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:30,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:30,563 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 20:36:30,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013735419] [2021-04-28 20:36:30,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:30,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:36:30,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844181053] [2021-04-28 20:36:30,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:36:30,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:30,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:36:30,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:36:30,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 409 [2021-04-28 20:36:30,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 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 20:36:30,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:30,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 409 [2021-04-28 20:36:30,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:30,689 INFO L129 PetriNetUnfolder]: 122/436 cut-off events. [2021-04-28 20:36:30,689 INFO L130 PetriNetUnfolder]: For 66/279 co-relation queries the response was YES. [2021-04-28 20:36:30,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 956 conditions, 436 events. 122/436 cut-off events. For 66/279 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2818 event pairs, 14 based on Foata normal form. 3/317 useless extension candidates. Maximal degree in co-relation 945. Up to 181 conditions per place. [2021-04-28 20:36:30,696 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 13 selfloop transitions, 8 changer transitions 0/66 dead transitions. [2021-04-28 20:36:30,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 246 flow [2021-04-28 20:36:30,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:36:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:36:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 969 transitions. [2021-04-28 20:36:30,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5922982885085575 [2021-04-28 20:36:30,701 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 969 transitions. [2021-04-28 20:36:30,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 969 transitions. [2021-04-28 20:36:30,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:30,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 969 transitions. [2021-04-28 20:36:30,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.25) internal successors, (969), 4 states have internal predecessors, (969), 0 states have call successors, (0), 0 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 20:36:30,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:30,712 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:30,712 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 168 flow. Second operand 4 states and 969 transitions. [2021-04-28 20:36:30,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 246 flow [2021-04-28 20:36:30,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 66 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:36:30,716 INFO L241 Difference]: Finished difference. Result has 70 places, 63 transitions, 212 flow [2021-04-28 20:36:30,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=70, PETRI_TRANSITIONS=63} [2021-04-28 20:36:30,717 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -86 predicate places. [2021-04-28 20:36:30,717 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:30,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 63 transitions, 212 flow [2021-04-28 20:36:30,718 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 63 transitions, 212 flow [2021-04-28 20:36:30,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 63 transitions, 212 flow [2021-04-28 20:36:30,792 INFO L129 PetriNetUnfolder]: 122/468 cut-off events. [2021-04-28 20:36:30,793 INFO L130 PetriNetUnfolder]: For 140/156 co-relation queries the response was YES. [2021-04-28 20:36:30,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 468 events. 122/468 cut-off events. For 140/156 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3296 event pairs, 45 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 882. Up to 181 conditions per place. [2021-04-28 20:36:30,808 INFO L146 LiptonReduction]: Number of co-enabled transitions 2192 [2021-04-28 20:36:30,944 INFO L158 LiptonReduction]: Checked pairs total: 1578 [2021-04-28 20:36:30,944 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:30,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-28 20:36:30,946 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 63 transitions, 212 flow [2021-04-28 20:36:30,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 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 20:36:30,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:30,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:30,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:36:30,948 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 20:36:30,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:30,948 INFO L82 PathProgramCache]: Analyzing trace with hash -428738987, now seen corresponding path program 1 times [2021-04-28 20:36:30,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:30,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780729413] [2021-04-28 20:36:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:31,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:31,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:31,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:36:31,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780729413] [2021-04-28 20:36:31,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:31,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:36:31,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882443965] [2021-04-28 20:36:31,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:36:31,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:31,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:36:31,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:36:31,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 409 [2021-04-28 20:36:31,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 63 transitions, 212 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 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 20:36:31,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:31,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 409 [2021-04-28 20:36:31,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:31,147 INFO L129 PetriNetUnfolder]: 106/448 cut-off events. [2021-04-28 20:36:31,147 INFO L130 PetriNetUnfolder]: For 200/357 co-relation queries the response was YES. [2021-04-28 20:36:31,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 448 events. 106/448 cut-off events. For 200/357 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3115 event pairs, 26 based on Foata normal form. 8/318 useless extension candidates. Maximal degree in co-relation 996. Up to 161 conditions per place. [2021-04-28 20:36:31,154 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 11 selfloop transitions, 16 changer transitions 0/72 dead transitions. [2021-04-28 20:36:31,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 320 flow [2021-04-28 20:36:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:36:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:36:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 971 transitions. [2021-04-28 20:36:31,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.593520782396088 [2021-04-28 20:36:31,158 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 971 transitions. [2021-04-28 20:36:31,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 971 transitions. [2021-04-28 20:36:31,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:31,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 971 transitions. [2021-04-28 20:36:31,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.75) internal successors, (971), 4 states have internal predecessors, (971), 0 states have call successors, (0), 0 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 20:36:31,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:31,168 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:31,168 INFO L185 Difference]: Start difference. First operand has 70 places, 63 transitions, 212 flow. Second operand 4 states and 971 transitions. [2021-04-28 20:36:31,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 320 flow [2021-04-28 20:36:31,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:36:31,173 INFO L241 Difference]: Finished difference. Result has 74 places, 69 transitions, 305 flow [2021-04-28 20:36:31,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=305, PETRI_PLACES=74, PETRI_TRANSITIONS=69} [2021-04-28 20:36:31,174 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -82 predicate places. [2021-04-28 20:36:31,174 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:31,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 69 transitions, 305 flow [2021-04-28 20:36:31,174 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 69 transitions, 305 flow [2021-04-28 20:36:31,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 69 transitions, 305 flow [2021-04-28 20:36:31,247 INFO L129 PetriNetUnfolder]: 106/500 cut-off events. [2021-04-28 20:36:31,247 INFO L130 PetriNetUnfolder]: For 335/371 co-relation queries the response was YES. [2021-04-28 20:36:31,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 500 events. 106/500 cut-off events. For 335/371 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3794 event pairs, 48 based on Foata normal form. 2/339 useless extension candidates. Maximal degree in co-relation 1027. Up to 161 conditions per place. [2021-04-28 20:36:31,263 INFO L146 LiptonReduction]: Number of co-enabled transitions 2452 [2021-04-28 20:36:31,272 INFO L158 LiptonReduction]: Checked pairs total: 1832 [2021-04-28 20:36:31,273 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:31,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-04-28 20:36:31,275 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 305 flow [2021-04-28 20:36:31,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 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 20:36:31,276 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:31,276 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:31,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:36:31,277 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 20:36:31,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:31,277 INFO L82 PathProgramCache]: Analyzing trace with hash -899443470, now seen corresponding path program 1 times [2021-04-28 20:36:31,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:31,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535546345] [2021-04-28 20:36:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:31,387 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:36:31,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:36:31,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:36:31,398 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 20:36:31,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535546345] [2021-04-28 20:36:31,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:31,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:36:31,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811819130] [2021-04-28 20:36:31,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:36:31,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:31,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:36:31,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:36:31,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:36:31,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 305 flow. Second operand has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 0 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 20:36:31,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:31,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:36:31,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:38,121 INFO L129 PetriNetUnfolder]: 43184/64250 cut-off events. [2021-04-28 20:36:38,122 INFO L130 PetriNetUnfolder]: For 2928/3173 co-relation queries the response was YES. [2021-04-28 20:36:38,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130365 conditions, 64250 events. 43184/64250 cut-off events. For 2928/3173 co-relation queries the response was YES. Maximal size of possible extension queue 10344. Compared 595234 event pairs, 22807 based on Foata normal form. 1171/19605 useless extension candidates. Maximal degree in co-relation 130348. Up to 40687 conditions per place. [2021-04-28 20:36:38,685 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 34 selfloop transitions, 33 changer transitions 0/113 dead transitions. [2021-04-28 20:36:38,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 113 transitions, 527 flow [2021-04-28 20:36:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:36:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:36:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions. [2021-04-28 20:36:38,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7975550122249389 [2021-04-28 20:36:38,692 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions. [2021-04-28 20:36:38,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions. [2021-04-28 20:36:38,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:38,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions. [2021-04-28 20:36:38,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 0 states have call successors, (0), 0 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 20:36:38,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 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 20:36:38,712 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 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 20:36:38,712 INFO L185 Difference]: Start difference. First operand has 74 places, 69 transitions, 305 flow. Second operand 5 states and 1631 transitions. [2021-04-28 20:36:38,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 113 transitions, 527 flow [2021-04-28 20:36:38,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 113 transitions, 527 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:36:38,744 INFO L241 Difference]: Finished difference. Result has 81 places, 100 transitions, 551 flow [2021-04-28 20:36:38,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=551, PETRI_PLACES=81, PETRI_TRANSITIONS=100} [2021-04-28 20:36:38,831 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -75 predicate places. [2021-04-28 20:36:38,831 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:38,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 100 transitions, 551 flow [2021-04-28 20:36:38,831 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 100 transitions, 551 flow [2021-04-28 20:36:38,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 100 transitions, 551 flow [2021-04-28 20:36:44,125 INFO L129 PetriNetUnfolder]: 38801/58893 cut-off events. [2021-04-28 20:36:44,125 INFO L130 PetriNetUnfolder]: For 10688/40703 co-relation queries the response was YES. [2021-04-28 20:36:44,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168361 conditions, 58893 events. 38801/58893 cut-off events. For 10688/40703 co-relation queries the response was YES. Maximal size of possible extension queue 9295. Compared 562245 event pairs, 22022 based on Foata normal form. 16/17184 useless extension candidates. Maximal degree in co-relation 168341. Up to 55781 conditions per place. [2021-04-28 20:36:44,883 INFO L146 LiptonReduction]: Number of co-enabled transitions 3728 [2021-04-28 20:36:49,403 INFO L158 LiptonReduction]: Checked pairs total: 3452 [2021-04-28 20:36:49,404 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:49,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10573 [2021-04-28 20:36:49,409 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 100 transitions, 551 flow [2021-04-28 20:36:49,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 0 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 20:36:49,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:49,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:49,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:36:49,411 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 20:36:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash 391693654, now seen corresponding path program 1 times [2021-04-28 20:36:49,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:49,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134558737] [2021-04-28 20:36:49,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:49,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:49,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:36:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:49,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:49,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:49,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:49,527 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 20:36:49,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134558737] [2021-04-28 20:36:49,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:49,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:36:49,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767575794] [2021-04-28 20:36:49,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:36:49,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:49,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:36:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:36:49,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 409 [2021-04-28 20:36:49,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 100 transitions, 551 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 20:36:49,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:49,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 409 [2021-04-28 20:36:49,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:56,238 INFO L129 PetriNetUnfolder]: 50717/75467 cut-off events. [2021-04-28 20:36:56,238 INFO L130 PetriNetUnfolder]: For 19963/186430 co-relation queries the response was YES. [2021-04-28 20:36:56,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216846 conditions, 75467 events. 50717/75467 cut-off events. For 19963/186430 co-relation queries the response was YES. Maximal size of possible extension queue 12657. Compared 721907 event pairs, 28936 based on Foata normal form. 607/22818 useless extension candidates. Maximal degree in co-relation 216824. Up to 71381 conditions per place. [2021-04-28 20:36:56,846 INFO L132 encePairwiseOnDemand]: 403/409 looper letters, 16 selfloop transitions, 12 changer transitions 0/104 dead transitions. [2021-04-28 20:36:56,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 104 transitions, 626 flow [2021-04-28 20:36:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:36:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:36:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 970 transitions. [2021-04-28 20:36:56,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5929095354523227 [2021-04-28 20:36:56,851 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 970 transitions. [2021-04-28 20:36:56,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 970 transitions. [2021-04-28 20:36:56,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:56,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 970 transitions. [2021-04-28 20:36:56,854 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 20:36:56,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:56,859 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:36:56,859 INFO L185 Difference]: Start difference. First operand has 81 places, 100 transitions, 551 flow. Second operand 4 states and 970 transitions. [2021-04-28 20:36:56,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 104 transitions, 626 flow [2021-04-28 20:36:57,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 104 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:36:57,200 INFO L241 Difference]: Finished difference. Result has 85 places, 100 transitions, 585 flow [2021-04-28 20:36:57,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=585, PETRI_PLACES=85, PETRI_TRANSITIONS=100} [2021-04-28 20:36:57,201 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -71 predicate places. [2021-04-28 20:36:57,201 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:57,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 100 transitions, 585 flow [2021-04-28 20:36:57,201 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 100 transitions, 585 flow [2021-04-28 20:36:57,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 100 transitions, 585 flow [2021-04-28 20:37:04,290 INFO L129 PetriNetUnfolder]: 54383/81570 cut-off events. [2021-04-28 20:37:04,290 INFO L130 PetriNetUnfolder]: For 14883/52786 co-relation queries the response was YES. [2021-04-28 20:37:04,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233704 conditions, 81570 events. 54383/81570 cut-off events. For 14883/52786 co-relation queries the response was YES. Maximal size of possible extension queue 13188. Compared 796867 event pairs, 30958 based on Foata normal form. 25/24081 useless extension candidates. Maximal degree in co-relation 233681. Up to 77852 conditions per place. [2021-04-28 20:37:05,475 INFO L146 LiptonReduction]: Number of co-enabled transitions 3726 [2021-04-28 20:37:08,137 INFO L158 LiptonReduction]: Checked pairs total: 3452 [2021-04-28 20:37:08,137 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:37:08,138 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10937 [2021-04-28 20:37:08,139 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 100 transitions, 585 flow [2021-04-28 20:37:08,140 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 20:37:08,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:37:08,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:37:08,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:37:08,140 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 20:37:08,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:37:08,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1956833327, now seen corresponding path program 1 times [2021-04-28 20:37:08,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:37:08,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541390528] [2021-04-28 20:37:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:37:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:37:08,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:08,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:37:08,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:08,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:37:08,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:37:08,196 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 20:37:08,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541390528] [2021-04-28 20:37:08,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:37:08,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:37:08,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926348924] [2021-04-28 20:37:08,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:37:08,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:37:08,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:37:08,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:37:08,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 409 [2021-04-28 20:37:08,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 100 transitions, 585 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 20:37:08,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:37:08,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 409 [2021-04-28 20:37:08,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:37:22,567 INFO L129 PetriNetUnfolder]: 97622/144405 cut-off events. [2021-04-28 20:37:22,567 INFO L130 PetriNetUnfolder]: For 36821/340756 co-relation queries the response was YES. [2021-04-28 20:37:23,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414046 conditions, 144405 events. 97622/144405 cut-off events. For 36821/340756 co-relation queries the response was YES. Maximal size of possible extension queue 25049. Compared 1473103 event pairs, 56197 based on Foata normal form. 510/41779 useless extension candidates. Maximal degree in co-relation 414021. Up to 137711 conditions per place. [2021-04-28 20:37:23,833 INFO L132 encePairwiseOnDemand]: 405/409 looper letters, 4 selfloop transitions, 6 changer transitions 0/102 dead transitions. [2021-04-28 20:37:23,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 102 transitions, 618 flow [2021-04-28 20:37:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:37:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:37:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1011 transitions. [2021-04-28 20:37:23,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6179706601466992 [2021-04-28 20:37:23,841 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1011 transitions. [2021-04-28 20:37:23,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1011 transitions. [2021-04-28 20:37:23,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:37:23,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1011 transitions. [2021-04-28 20:37:23,850 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 20:37:23,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:37:23,857 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 0 states have call successors, (0), 0 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 20:37:23,857 INFO L185 Difference]: Start difference. First operand has 85 places, 100 transitions, 585 flow. Second operand 4 states and 1011 transitions. [2021-04-28 20:37:23,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 102 transitions, 618 flow [2021-04-28 20:37:24,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 102 transitions, 575 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-28 20:37:24,085 INFO L241 Difference]: Finished difference. Result has 88 places, 102 transitions, 582 flow [2021-04-28 20:37:24,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=582, PETRI_PLACES=88, PETRI_TRANSITIONS=102} [2021-04-28 20:37:24,085 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -68 predicate places. [2021-04-28 20:37:24,085 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:37:24,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 102 transitions, 582 flow [2021-04-28 20:37:24,086 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 102 transitions, 582 flow [2021-04-28 20:37:24,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 102 transitions, 582 flow [2021-04-28 20:37:38,895 INFO L129 PetriNetUnfolder]: 102467/152576 cut-off events. [2021-04-28 20:37:38,895 INFO L130 PetriNetUnfolder]: For 28801/316866 co-relation queries the response was YES. [2021-04-28 20:37:39,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 437120 conditions, 152576 events. 102467/152576 cut-off events. For 28801/316866 co-relation queries the response was YES. Maximal size of possible extension queue 25108. Compared 1575593 event pairs, 59313 based on Foata normal form. 26/43482 useless extension candidates. Maximal degree in co-relation 437096. Up to 146354 conditions per place. [2021-04-28 20:37:40,954 INFO L146 LiptonReduction]: Number of co-enabled transitions 3878 [2021-04-28 20:37:43,000 INFO L158 LiptonReduction]: Checked pairs total: 6738 [2021-04-28 20:37:43,001 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:37:43,001 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18916 [2021-04-28 20:37:43,002 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 103 transitions, 590 flow [2021-04-28 20:37:43,003 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 20:37:43,003 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:37:43,003 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:37:43,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:37:43,003 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 20:37:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:37:43,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1609950293, now seen corresponding path program 1 times [2021-04-28 20:37:43,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:37:43,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873992549] [2021-04-28 20:37:43,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:37:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:37:43,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:43,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:37:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:37:43,089 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:37:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:37:43,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:37:43,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:37:43,098 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 20:37:43,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873992549] [2021-04-28 20:37:43,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:37:43,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:37:43,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975450499] [2021-04-28 20:37:43,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:37:43,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:37:43,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:37:43,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:37:43,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:37:43,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 103 transitions, 590 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 20:37:43,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:37:43,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:37:43,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:38:07,353 INFO L129 PetriNetUnfolder]: 132859/205737 cut-off events. [2021-04-28 20:38:07,353 INFO L130 PetriNetUnfolder]: For 63331/1083804 co-relation queries the response was YES. [2021-04-28 20:38:08,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 791083 conditions, 205737 events. 132859/205737 cut-off events. For 63331/1083804 co-relation queries the response was YES. Maximal size of possible extension queue 40023. Compared 2281593 event pairs, 26354 based on Foata normal form. 3853/67949 useless extension candidates. Maximal degree in co-relation 791057. Up to 193031 conditions per place. [2021-04-28 20:38:08,589 INFO L132 encePairwiseOnDemand]: 390/410 looper letters, 35 selfloop transitions, 64 changer transitions 0/148 dead transitions. [2021-04-28 20:38:08,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 148 transitions, 1037 flow [2021-04-28 20:38:08,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:38:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:38:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2294 transitions. [2021-04-28 20:38:08,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7993031358885018 [2021-04-28 20:38:08,599 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2294 transitions. [2021-04-28 20:38:08,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2294 transitions. [2021-04-28 20:38:08,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:38:08,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2294 transitions. [2021-04-28 20:38:08,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 327.7142857142857) internal successors, (2294), 7 states have internal predecessors, (2294), 0 states have call successors, (0), 0 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 20:38:08,613 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 20:38:08,615 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 20:38:08,615 INFO L185 Difference]: Start difference. First operand has 89 places, 103 transitions, 590 flow. Second operand 7 states and 2294 transitions. [2021-04-28 20:38:08,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 148 transitions, 1037 flow [2021-04-28 20:38:08,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 148 transitions, 1032 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:38:08,957 INFO L241 Difference]: Finished difference. Result has 97 places, 134 transitions, 1027 flow [2021-04-28 20:38:08,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1027, PETRI_PLACES=97, PETRI_TRANSITIONS=134} [2021-04-28 20:38:08,958 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -59 predicate places. [2021-04-28 20:38:08,958 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:38:08,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 134 transitions, 1027 flow [2021-04-28 20:38:08,958 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 134 transitions, 1027 flow [2021-04-28 20:38:08,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 134 transitions, 1027 flow [2021-04-28 20:38:31,690 INFO L129 PetriNetUnfolder]: 122647/192562 cut-off events. [2021-04-28 20:38:31,690 INFO L130 PetriNetUnfolder]: For 495113/1656605 co-relation queries the response was YES. [2021-04-28 20:38:32,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 913890 conditions, 192562 events. 122647/192562 cut-off events. For 495113/1656605 co-relation queries the response was YES. Maximal size of possible extension queue 37167. Compared 2189098 event pairs, 25933 based on Foata normal form. 93/57060 useless extension candidates. Maximal degree in co-relation 913862. Up to 184844 conditions per place. [2021-04-28 20:38:35,121 INFO L146 LiptonReduction]: Number of co-enabled transitions 5578 [2021-04-28 20:38:39,031 INFO L158 LiptonReduction]: Checked pairs total: 6831 [2021-04-28 20:38:39,031 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:38:39,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30073 [2021-04-28 20:38:39,033 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 134 transitions, 1027 flow [2021-04-28 20:38:39,034 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 20:38:39,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:38:39,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:38:39,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:38:39,034 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 20:38:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:38:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1411263516, now seen corresponding path program 1 times [2021-04-28 20:38:39,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:38:39,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793320314] [2021-04-28 20:38:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:38:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:38:39,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:39,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:39,166 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:38:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:38:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:38:39,175 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 20:38:39,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793320314] [2021-04-28 20:38:39,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:38:39,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:38:39,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449200194] [2021-04-28 20:38:39,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:38:39,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:38:39,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:38:39,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:38:39,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:38:39,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 134 transitions, 1027 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 20:38:39,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:38:39,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:38:39,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:39:08,372 INFO L129 PetriNetUnfolder]: 124660/205026 cut-off events. [2021-04-28 20:39:08,372 INFO L130 PetriNetUnfolder]: For 202231/2892864 co-relation queries the response was YES. [2021-04-28 20:39:09,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1166997 conditions, 205026 events. 124660/205026 cut-off events. For 202231/2892864 co-relation queries the response was YES. Maximal size of possible extension queue 39879. Compared 2445209 event pairs, 4016 based on Foata normal form. 4125/67606 useless extension candidates. Maximal degree in co-relation 1166967. Up to 194075 conditions per place. [2021-04-28 20:39:09,783 INFO L132 encePairwiseOnDemand]: 390/410 looper letters, 24 selfloop transitions, 95 changer transitions 13/180 dead transitions. [2021-04-28 20:39:09,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 180 transitions, 1699 flow [2021-04-28 20:39:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:39:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:39:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2952 transitions. [2021-04-28 20:39:09,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-04-28 20:39:09,793 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2952 transitions. [2021-04-28 20:39:09,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2952 transitions. [2021-04-28 20:39:09,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:39:09,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2952 transitions. [2021-04-28 20:39:09,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 328.0) internal successors, (2952), 9 states have internal predecessors, (2952), 0 states have call successors, (0), 0 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 20:39:09,811 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 20:39:09,813 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 20:39:09,814 INFO L185 Difference]: Start difference. First operand has 97 places, 134 transitions, 1027 flow. Second operand 9 states and 2952 transitions. [2021-04-28 20:39:09,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 180 transitions, 1699 flow [2021-04-28 20:40:20,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 180 transitions, 1528 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-04-28 20:40:20,747 INFO L241 Difference]: Finished difference. Result has 104 places, 164 transitions, 1434 flow [2021-04-28 20:40:20,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1434, PETRI_PLACES=104, PETRI_TRANSITIONS=164} [2021-04-28 20:40:20,747 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -52 predicate places. [2021-04-28 20:40:20,747 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:40:20,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 164 transitions, 1434 flow [2021-04-28 20:40:20,748 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 164 transitions, 1434 flow [2021-04-28 20:40:20,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 164 transitions, 1434 flow [2021-04-28 20:40:40,096 INFO L129 PetriNetUnfolder]: 88062/156503 cut-off events. [2021-04-28 20:40:40,097 INFO L130 PetriNetUnfolder]: For 849962/1470153 co-relation queries the response was YES. [2021-04-28 20:40:41,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 914436 conditions, 156503 events. 88062/156503 cut-off events. For 849962/1470153 co-relation queries the response was YES. Maximal size of possible extension queue 35031. Compared 2051001 event pairs, 3987 based on Foata normal form. 5/46035 useless extension candidates. Maximal degree in co-relation 914406. Up to 127243 conditions per place. [2021-04-28 20:40:43,166 INFO L146 LiptonReduction]: Number of co-enabled transitions 6188 [2021-04-28 20:41:05,473 INFO L158 LiptonReduction]: Checked pairs total: 10734 [2021-04-28 20:41:05,474 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:41:05,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44727 [2021-04-28 20:41:05,475 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 164 transitions, 1434 flow [2021-04-28 20:41:05,476 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 20:41:05,476 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:41:05,476 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:41:05,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:41:05,477 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 20:41:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:41:05,477 INFO L82 PathProgramCache]: Analyzing trace with hash -789303184, now seen corresponding path program 1 times [2021-04-28 20:41:05,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:41:05,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652682427] [2021-04-28 20:41:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:41:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:41:05,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:41:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:41:05,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:41:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:41:05,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:41:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:41:05,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:41:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:41:05,614 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:41:05,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:41:05,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:41:05,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:41:05,625 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 20:41:05,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652682427] [2021-04-28 20:41:05,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:41:05,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:41:05,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168996964] [2021-04-28 20:41:05,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:41:05,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:41:05,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:41:05,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:41:05,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 410 [2021-04-28 20:41:05,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 164 transitions, 1434 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 20:41:05,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:41:05,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 410 [2021-04-28 20:41:05,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:41:30,694 INFO L129 PetriNetUnfolder]: 89370/160510 cut-off events. [2021-04-28 20:41:30,694 INFO L130 PetriNetUnfolder]: For 409120/2359023 co-relation queries the response was YES. [2021-04-28 20:41:31,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1084680 conditions, 160510 events. 89370/160510 cut-off events. For 409120/2359023 co-relation queries the response was YES. Maximal size of possible extension queue 37656. Compared 2079131 event pairs, 21 based on Foata normal form. 2834/50794 useless extension candidates. Maximal degree in co-relation 1084648. Up to 127468 conditions per place. [2021-04-28 20:41:31,864 INFO L132 encePairwiseOnDemand]: 390/410 looper letters, 6 selfloop transitions, 110 changer transitions 35/187 dead transitions. [2021-04-28 20:41:31,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 187 transitions, 1922 flow [2021-04-28 20:41:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:41:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:41:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3586 transitions. [2021-04-28 20:41:31,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7951219512195122 [2021-04-28 20:41:31,876 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3586 transitions. [2021-04-28 20:41:31,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3586 transitions. [2021-04-28 20:41:31,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:41:31,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3586 transitions. [2021-04-28 20:41:31,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 326.0) internal successors, (3586), 11 states have internal predecessors, (3586), 0 states have call successors, (0), 0 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 20:41:31,896 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 20:41:31,897 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 20:41:31,897 INFO L185 Difference]: Start difference. First operand has 104 places, 164 transitions, 1434 flow. Second operand 11 states and 3586 transitions. [2021-04-28 20:41:31,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 187 transitions, 1922 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown