/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/mix030_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:54:48,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:54:48,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:54:48,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:54:48,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:54:48,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:54:48,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:54:48,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:54:48,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:54:48,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:54:48,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:54:48,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:54:48,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:54:48,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:54:48,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:54:48,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:54:48,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:54:48,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:54:48,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:54:48,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:54:48,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:54:48,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:54:48,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:54:48,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:54:48,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:54:48,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 19:54:48,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 19:54:48,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 19:54:48,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 19:54:48,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 19:54:48,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 19:54:48,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 19:54:48,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 19:54:48,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:54:48,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:54:48,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:54:48,996 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 19:54:49,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:54:49,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:54:49,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:54:49,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:54:49,055 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:54:49,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:54:49,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:54:49,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:54:49,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:54:49,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:54:49,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:54:49,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:54:49,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:54:49,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:54:49,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:54:49,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:54:49,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:54:49,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:54:49,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:54:49,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:54:49,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:54:49,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:54:49,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:54:49,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:54:49,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:54:49,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:54:49,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:54:49,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:54:49,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:54:49,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:54:49,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:54:49,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:54:49,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:54:49,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:54:49,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:54:49,481 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:54:49,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_rmo.oepc.i [2021-04-28 19:54:49,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f8856b8d/5398f464936449f2ac0c502d3b374a57/FLAG3933dfdc1 [2021-04-28 19:54:50,325 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:54:50,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_rmo.oepc.i [2021-04-28 19:54:50,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f8856b8d/5398f464936449f2ac0c502d3b374a57/FLAG3933dfdc1 [2021-04-28 19:54:50,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f8856b8d/5398f464936449f2ac0c502d3b374a57 [2021-04-28 19:54:50,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:54:50,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:54:50,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:54:50,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:54:50,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:54:50,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:54:50" (1/1) ... [2021-04-28 19:54:50,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301b543c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:50, skipping insertion in model container [2021-04-28 19:54:50,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:54:50" (1/1) ... [2021-04-28 19:54:50,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:54:50,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:54:50,888 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/mix030_rmo.oepc.i[949,962] [2021-04-28 19:54:51,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:54:51,141 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:54:51,160 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/mix030_rmo.oepc.i[949,962] [2021-04-28 19:54:51,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:54:51,436 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:54:51,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51 WrapperNode [2021-04-28 19:54:51,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:54:51,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:54:51,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:54:51,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:54:51,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:54:51,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:54:51,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:54:51,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:54:51,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... [2021-04-28 19:54:51,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:54:51,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:54:51,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:54:51,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:54:51,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:54:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:54:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:54:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:54:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:54:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:54:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:54:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:54:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:54:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:54:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:54:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 19:54:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 19:54:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:54:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:54:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:54:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:54:51,699 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 19:54:54,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:54:54,256 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:54:54,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:54:54 BoogieIcfgContainer [2021-04-28 19:54:54,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:54:54,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:54:54,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:54:54,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:54:54,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:54:50" (1/3) ... [2021-04-28 19:54:54,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27329126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:54:54, skipping insertion in model container [2021-04-28 19:54:54,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:54:51" (2/3) ... [2021-04-28 19:54:54,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27329126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:54:54, skipping insertion in model container [2021-04-28 19:54:54,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:54:54" (3/3) ... [2021-04-28 19:54:54,269 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_rmo.oepc.i [2021-04-28 19:54:54,277 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:54:54,283 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:54:54,284 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:54:54,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,326 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,326 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,328 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,332 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,340 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,345 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,345 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,346 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,346 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,346 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,347 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,367 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,371 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,371 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,371 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,375 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,376 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,379 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,379 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,382 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,383 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,383 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,383 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,384 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,385 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,386 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:54:54,390 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:54:54,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 19:54:54,443 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:54:54,443 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:54:54,443 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:54:54,443 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:54:54,444 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:54:54,444 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:54:54,444 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:54:54,444 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:54:54,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 19:54:54,513 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 19:54:54,514 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:54:54,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 19:54:54,520 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 19:54:54,533 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-04-28 19:54:54,536 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:54:54,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 19:54:54,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 19:54:54,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-04-28 19:54:54,615 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 19:54:54,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:54:54,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 19:54:54,624 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 19:54:58,501 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:54:58,620 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:54:59,165 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 19:54:59,387 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:55:00,599 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 19:55:14,691 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:55:14,824 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:55:14,956 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:55:15,092 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:55:15,574 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:15,689 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:15,802 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:15,919 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:16,417 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:55:16,536 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:55:16,657 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:55:16,774 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:55:16,894 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:55:17,444 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:55:17,549 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:55:17,653 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:17,954 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:18,061 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:55:18,164 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:55:18,277 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:55:18,389 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:55:19,423 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:55:19,704 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 19:55:19,842 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 19:55:19,979 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 19:55:20,116 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 19:55:21,793 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 19:55:21,955 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:55:22,117 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:55:22,276 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:55:22,437 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:55:24,299 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:24,404 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:24,509 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:24,612 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:55:24,750 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:55:24,927 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:55:25,065 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:55:25,204 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:55:25,348 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:55:25,485 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:55:25,621 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:55:25,760 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:55:25,877 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:25,990 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:26,108 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:26,224 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:55:27,080 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:55:27,242 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:55:27,408 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:55:27,576 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:55:27,767 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:55:27,958 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:55:28,178 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:55:28,362 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:55:28,517 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:28,670 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:28,826 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:28,979 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:29,168 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:55:29,365 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:55:29,559 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:55:29,757 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:55:29,923 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:55:30,085 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:55:30,243 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:55:30,407 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:55:30,603 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:30,796 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:30,998 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:31,196 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:31,418 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:31,610 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:31,812 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:32,012 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:32,163 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:55:32,314 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:55:32,469 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:55:32,622 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:55:33,141 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 19:55:33,391 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 19:55:33,908 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 19:55:34,151 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 19:55:34,644 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 19:55:34,872 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 19:55:35,363 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 19:55:35,592 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 19:55:35,778 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:55:35,962 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:55:36,143 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:55:36,322 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:55:36,526 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:36,733 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:36,941 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:37,145 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:37,349 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:37,554 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:37,778 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:37,985 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:38,162 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:55:38,338 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:55:38,510 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:55:38,684 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:55:38,842 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:39,006 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:39,168 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:39,323 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:55:39,526 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:39,729 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:39,936 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:40,143 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:55:40,217 INFO L158 LiptonReduction]: Checked pairs total: 28402 [2021-04-28 19:55:40,217 INFO L160 LiptonReduction]: Total number of compositions: 273 [2021-04-28 19:55:40,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45690 [2021-04-28 19:55:40,270 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 19:55:40,271 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:55:40,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:40,272 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 19:55:40,272 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:40,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:40,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1374567, now seen corresponding path program 1 times [2021-04-28 19:55:40,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:40,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143327091] [2021-04-28 19:55:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:40,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143327091] [2021-04-28 19:55:40,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:40,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:55:40,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24433878] [2021-04-28 19:55:40,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:55:40,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:40,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:55:40,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:55:40,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 389 [2021-04-28 19:55:40,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:40,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:40,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 389 [2021-04-28 19:55:40,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:41,034 INFO L129 PetriNetUnfolder]: 133/574 cut-off events. [2021-04-28 19:55:41,034 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:55:41,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 574 events. 133/574 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4341 event pairs, 29 based on Foata normal form. 69/347 useless extension candidates. Maximal degree in co-relation 728. Up to 153 conditions per place. [2021-04-28 19:55:41,049 INFO L132 encePairwiseOnDemand]: 367/389 looper letters, 11 selfloop transitions, 2 changer transitions 56/140 dead transitions. [2021-04-28 19:55:41,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 140 transitions, 350 flow [2021-04-28 19:55:41,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:55:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:55:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2021-04-28 19:55:41,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8123393316195373 [2021-04-28 19:55:41,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 948 transitions. [2021-04-28 19:55:41,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 948 transitions. [2021-04-28 19:55:41,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:41,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 948 transitions. [2021-04-28 19:55:41,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:41,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:41,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:41,109 INFO L185 Difference]: Start difference. First operand has 151 places, 139 transitions, 290 flow. Second operand 3 states and 948 transitions. [2021-04-28 19:55:41,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 140 transitions, 350 flow [2021-04-28 19:55:41,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 140 transitions, 346 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 19:55:41,118 INFO L241 Difference]: Finished difference. Result has 146 places, 79 transitions, 170 flow [2021-04-28 19:55:41,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=146, PETRI_TRANSITIONS=79} [2021-04-28 19:55:41,121 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -5 predicate places. [2021-04-28 19:55:41,122 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:41,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 79 transitions, 170 flow [2021-04-28 19:55:41,122 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 79 transitions, 170 flow [2021-04-28 19:55:41,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 79 transitions, 170 flow [2021-04-28 19:55:41,134 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 19:55:41,135 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:55:41,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 388 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 19:55:41,138 INFO L146 LiptonReduction]: Number of co-enabled transitions 3142 [2021-04-28 19:55:41,340 INFO L158 LiptonReduction]: Checked pairs total: 4212 [2021-04-28 19:55:41,340 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:41,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-04-28 19:55:41,344 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 170 flow [2021-04-28 19:55:41,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:41,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:41,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:41,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:55:41,346 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:41,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:41,347 INFO L82 PathProgramCache]: Analyzing trace with hash -885604600, now seen corresponding path program 1 times [2021-04-28 19:55:41,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:41,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363177398] [2021-04-28 19:55:41,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:41,466 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:55:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:55:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:41,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363177398] [2021-04-28 19:55:41,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:41,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:55:41,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849362490] [2021-04-28 19:55:41,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:55:41,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:41,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:55:41,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:55:41,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 389 [2021-04-28 19:55:41,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:41,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:41,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 389 [2021-04-28 19:55:41,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:45,046 INFO L129 PetriNetUnfolder]: 8515/20395 cut-off events. [2021-04-28 19:55:45,046 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:55:45,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32500 conditions, 20395 events. 8515/20395 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2664. Compared 261037 event pairs, 2783 based on Foata normal form. 0/13239 useless extension candidates. Maximal degree in co-relation 32491. Up to 6325 conditions per place. [2021-04-28 19:55:45,167 INFO L132 encePairwiseOnDemand]: 364/389 looper letters, 9 selfloop transitions, 9 changer transitions 50/111 dead transitions. [2021-04-28 19:55:45,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 111 transitions, 370 flow [2021-04-28 19:55:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:55:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:55:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2021-04-28 19:55:45,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6289631533847472 [2021-04-28 19:55:45,172 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2021-04-28 19:55:45,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2021-04-28 19:55:45,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:45,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2021-04-28 19:55:45,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,183 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 170 flow. Second operand 3 states and 734 transitions. [2021-04-28 19:55:45,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 111 transitions, 370 flow [2021-04-28 19:55:45,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 111 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:55:45,188 INFO L241 Difference]: Finished difference. Result has 92 places, 61 transitions, 184 flow [2021-04-28 19:55:45,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=92, PETRI_TRANSITIONS=61} [2021-04-28 19:55:45,189 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -59 predicate places. [2021-04-28 19:55:45,189 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:45,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 61 transitions, 184 flow [2021-04-28 19:55:45,190 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 61 transitions, 184 flow [2021-04-28 19:55:45,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 61 transitions, 184 flow [2021-04-28 19:55:45,332 INFO L129 PetriNetUnfolder]: 410/1265 cut-off events. [2021-04-28 19:55:45,332 INFO L130 PetriNetUnfolder]: For 123/133 co-relation queries the response was YES. [2021-04-28 19:55:45,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2235 conditions, 1265 events. 410/1265 cut-off events. For 123/133 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 10947 event pairs, 158 based on Foata normal form. 0/942 useless extension candidates. Maximal degree in co-relation 2226. Up to 385 conditions per place. [2021-04-28 19:55:45,368 INFO L146 LiptonReduction]: Number of co-enabled transitions 2058 [2021-04-28 19:55:45,418 INFO L158 LiptonReduction]: Checked pairs total: 1299 [2021-04-28 19:55:45,418 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:45,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 229 [2021-04-28 19:55:45,426 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 61 transitions, 184 flow [2021-04-28 19:55:45,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:45,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:45,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:55:45,428 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:45,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:45,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1390922098, now seen corresponding path program 1 times [2021-04-28 19:55:45,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:45,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861069275] [2021-04-28 19:55:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:45,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:45,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:45,570 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:55:45,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:55:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:45,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861069275] [2021-04-28 19:55:45,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:45,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:55:45,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387182667] [2021-04-28 19:55:45,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:55:45,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:45,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:55:45,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:55:45,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 389 [2021-04-28 19:55:45,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 184 flow. Second operand has 4 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:45,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 389 [2021-04-28 19:55:45,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:45,764 INFO L129 PetriNetUnfolder]: 288/980 cut-off events. [2021-04-28 19:55:45,765 INFO L130 PetriNetUnfolder]: For 152/517 co-relation queries the response was YES. [2021-04-28 19:55:45,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2168 conditions, 980 events. 288/980 cut-off events. For 152/517 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7951 event pairs, 38 based on Foata normal form. 18/734 useless extension candidates. Maximal degree in co-relation 2157. Up to 272 conditions per place. [2021-04-28 19:55:45,778 INFO L132 encePairwiseOnDemand]: 380/389 looper letters, 19 selfloop transitions, 9 changer transitions 0/71 dead transitions. [2021-04-28 19:55:45,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 71 transitions, 290 flow [2021-04-28 19:55:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:55:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:55:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 914 transitions. [2021-04-28 19:55:45,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5874035989717223 [2021-04-28 19:55:45,784 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 914 transitions. [2021-04-28 19:55:45,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 914 transitions. [2021-04-28 19:55:45,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:45,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 914 transitions. [2021-04-28 19:55:45,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,795 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,795 INFO L185 Difference]: Start difference. First operand has 66 places, 61 transitions, 184 flow. Second operand 4 states and 914 transitions. [2021-04-28 19:55:45,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 71 transitions, 290 flow [2021-04-28 19:55:45,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:55:45,801 INFO L241 Difference]: Finished difference. Result has 70 places, 66 transitions, 234 flow [2021-04-28 19:55:45,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=234, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2021-04-28 19:55:45,802 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -81 predicate places. [2021-04-28 19:55:45,802 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:45,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 234 flow [2021-04-28 19:55:45,802 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 234 flow [2021-04-28 19:55:45,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 234 flow [2021-04-28 19:55:45,920 INFO L129 PetriNetUnfolder]: 288/904 cut-off events. [2021-04-28 19:55:45,920 INFO L130 PetriNetUnfolder]: For 298/301 co-relation queries the response was YES. [2021-04-28 19:55:45,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1836 conditions, 904 events. 288/904 cut-off events. For 298/301 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7050 event pairs, 54 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1824. Up to 272 conditions per place. [2021-04-28 19:55:45,949 INFO L146 LiptonReduction]: Number of co-enabled transitions 2274 [2021-04-28 19:55:45,957 INFO L158 LiptonReduction]: Checked pairs total: 1437 [2021-04-28 19:55:45,958 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:45,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-04-28 19:55:45,960 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 234 flow [2021-04-28 19:55:45,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:45,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:45,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:45,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:55:45,962 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:45,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:45,962 INFO L82 PathProgramCache]: Analyzing trace with hash -662578379, now seen corresponding path program 1 times [2021-04-28 19:55:45,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:45,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068636159] [2021-04-28 19:55:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:46,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:46,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:55:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:55:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:46,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068636159] [2021-04-28 19:55:46,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:46,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:55:46,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747807001] [2021-04-28 19:55:46,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:55:46,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:46,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:55:46,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:55:46,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 389 [2021-04-28 19:55:46,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:46,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 389 [2021-04-28 19:55:46,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:46,337 INFO L129 PetriNetUnfolder]: 255/893 cut-off events. [2021-04-28 19:55:46,337 INFO L130 PetriNetUnfolder]: For 313/680 co-relation queries the response was YES. [2021-04-28 19:55:46,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 893 events. 255/893 cut-off events. For 313/680 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7141 event pairs, 14 based on Foata normal form. 12/665 useless extension candidates. Maximal degree in co-relation 2145. Up to 237 conditions per place. [2021-04-28 19:55:46,356 INFO L132 encePairwiseOnDemand]: 379/389 looper letters, 21 selfloop transitions, 20 changer transitions 0/84 dead transitions. [2021-04-28 19:55:46,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 84 transitions, 424 flow [2021-04-28 19:55:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:55:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:55:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 918 transitions. [2021-04-28 19:55:46,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.589974293059126 [2021-04-28 19:55:46,362 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 918 transitions. [2021-04-28 19:55:46,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 918 transitions. [2021-04-28 19:55:46,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:46,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 918 transitions. [2021-04-28 19:55:46,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.5) internal successors, (918), 4 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,373 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,374 INFO L185 Difference]: Start difference. First operand has 70 places, 66 transitions, 234 flow. Second operand 4 states and 918 transitions. [2021-04-28 19:55:46,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 84 transitions, 424 flow [2021-04-28 19:55:46,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 84 transitions, 419 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:55:46,385 INFO L241 Difference]: Finished difference. Result has 75 places, 79 transitions, 414 flow [2021-04-28 19:55:46,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=414, PETRI_PLACES=75, PETRI_TRANSITIONS=79} [2021-04-28 19:55:46,386 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -76 predicate places. [2021-04-28 19:55:46,386 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:46,386 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 79 transitions, 414 flow [2021-04-28 19:55:46,387 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 79 transitions, 414 flow [2021-04-28 19:55:46,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 79 transitions, 414 flow [2021-04-28 19:55:46,509 INFO L129 PetriNetUnfolder]: 255/889 cut-off events. [2021-04-28 19:55:46,509 INFO L130 PetriNetUnfolder]: For 921/936 co-relation queries the response was YES. [2021-04-28 19:55:46,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2225 conditions, 889 events. 255/889 cut-off events. For 921/936 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7202 event pairs, 30 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 2209. Up to 237 conditions per place. [2021-04-28 19:55:46,537 INFO L146 LiptonReduction]: Number of co-enabled transitions 2790 [2021-04-28 19:55:46,617 INFO L158 LiptonReduction]: Checked pairs total: 1718 [2021-04-28 19:55:46,617 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:46,617 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-04-28 19:55:46,619 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 79 transitions, 414 flow [2021-04-28 19:55:46,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:46,620 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:46,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:55:46,620 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash -319560431, now seen corresponding path program 1 times [2021-04-28 19:55:46,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:46,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789752862] [2021-04-28 19:55:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:46,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:46,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789752862] [2021-04-28 19:55:46,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:46,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:55:46,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224879087] [2021-04-28 19:55:46,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:55:46,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:46,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:55:46,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:55:46,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 389 [2021-04-28 19:55:46,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 79 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:46,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 389 [2021-04-28 19:55:46,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:46,808 INFO L129 PetriNetUnfolder]: 237/795 cut-off events. [2021-04-28 19:55:46,808 INFO L130 PetriNetUnfolder]: For 1184/1372 co-relation queries the response was YES. [2021-04-28 19:55:46,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 795 events. 237/795 cut-off events. For 1184/1372 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6040 event pairs, 24 based on Foata normal form. 6/596 useless extension candidates. Maximal degree in co-relation 2169. Up to 221 conditions per place. [2021-04-28 19:55:46,820 INFO L132 encePairwiseOnDemand]: 385/389 looper letters, 11 selfloop transitions, 10 changer transitions 0/88 dead transitions. [2021-04-28 19:55:46,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 88 transitions, 534 flow [2021-04-28 19:55:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:55:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:55:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2021-04-28 19:55:46,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7720651242502142 [2021-04-28 19:55:46,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2021-04-28 19:55:46,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2021-04-28 19:55:46,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:46,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2021-04-28 19:55:46,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:46,834 INFO L185 Difference]: Start difference. First operand has 75 places, 79 transitions, 414 flow. Second operand 3 states and 901 transitions. [2021-04-28 19:55:46,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 88 transitions, 534 flow [2021-04-28 19:55:46,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 88 transitions, 534 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:55:46,842 INFO L241 Difference]: Finished difference. Result has 78 places, 88 transitions, 542 flow [2021-04-28 19:55:46,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=78, PETRI_TRANSITIONS=88} [2021-04-28 19:55:46,842 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -73 predicate places. [2021-04-28 19:55:46,843 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:46,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 88 transitions, 542 flow [2021-04-28 19:55:46,843 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 88 transitions, 542 flow [2021-04-28 19:55:46,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 88 transitions, 542 flow [2021-04-28 19:55:46,971 INFO L129 PetriNetUnfolder]: 237/839 cut-off events. [2021-04-28 19:55:46,971 INFO L130 PetriNetUnfolder]: For 1121/1141 co-relation queries the response was YES. [2021-04-28 19:55:46,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 839 events. 237/839 cut-off events. For 1121/1141 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6689 event pairs, 24 based on Foata normal form. 1/615 useless extension candidates. Maximal degree in co-relation 2241. Up to 221 conditions per place. [2021-04-28 19:55:46,996 INFO L146 LiptonReduction]: Number of co-enabled transitions 3152 [2021-04-28 19:55:47,013 INFO L158 LiptonReduction]: Checked pairs total: 2116 [2021-04-28 19:55:47,014 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:47,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-04-28 19:55:47,016 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 88 transitions, 542 flow [2021-04-28 19:55:47,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:47,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:47,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:55:47,017 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:47,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1844406429, now seen corresponding path program 1 times [2021-04-28 19:55:47,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:47,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835639127] [2021-04-28 19:55:47,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:47,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:47,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:55:47,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:47,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:47,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835639127] [2021-04-28 19:55:47,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:47,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:55:47,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080741177] [2021-04-28 19:55:47,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:55:47,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:47,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:55:47,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:55:47,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 389 [2021-04-28 19:55:47,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 88 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:47,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 389 [2021-04-28 19:55:47,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:55:47,261 INFO L129 PetriNetUnfolder]: 242/924 cut-off events. [2021-04-28 19:55:47,262 INFO L130 PetriNetUnfolder]: For 1589/1831 co-relation queries the response was YES. [2021-04-28 19:55:47,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2577 conditions, 924 events. 242/924 cut-off events. For 1589/1831 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7667 event pairs, 24 based on Foata normal form. 14/685 useless extension candidates. Maximal degree in co-relation 2556. Up to 228 conditions per place. [2021-04-28 19:55:47,275 INFO L132 encePairwiseOnDemand]: 386/389 looper letters, 5 selfloop transitions, 8 changer transitions 1/88 dead transitions. [2021-04-28 19:55:47,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 88 transitions, 570 flow [2021-04-28 19:55:47,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:55:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:55:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2021-04-28 19:55:47,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712082262210797 [2021-04-28 19:55:47,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 900 transitions. [2021-04-28 19:55:47,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 900 transitions. [2021-04-28 19:55:47,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:55:47,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 900 transitions. [2021-04-28 19:55:47,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,288 INFO L185 Difference]: Start difference. First operand has 78 places, 88 transitions, 542 flow. Second operand 3 states and 900 transitions. [2021-04-28 19:55:47,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 88 transitions, 570 flow [2021-04-28 19:55:47,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 88 transitions, 560 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:55:47,297 INFO L241 Difference]: Finished difference. Result has 80 places, 87 transitions, 548 flow [2021-04-28 19:55:47,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=80, PETRI_TRANSITIONS=87} [2021-04-28 19:55:47,297 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -71 predicate places. [2021-04-28 19:55:47,297 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:55:47,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 87 transitions, 548 flow [2021-04-28 19:55:47,298 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 87 transitions, 548 flow [2021-04-28 19:55:47,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 87 transitions, 548 flow [2021-04-28 19:55:47,426 INFO L129 PetriNetUnfolder]: 226/904 cut-off events. [2021-04-28 19:55:47,426 INFO L130 PetriNetUnfolder]: For 1395/1415 co-relation queries the response was YES. [2021-04-28 19:55:47,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 904 events. 226/904 cut-off events. For 1395/1415 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 7662 event pairs, 30 based on Foata normal form. 1/654 useless extension candidates. Maximal degree in co-relation 2419. Up to 224 conditions per place. [2021-04-28 19:55:47,452 INFO L146 LiptonReduction]: Number of co-enabled transitions 3098 [2021-04-28 19:55:47,470 INFO L158 LiptonReduction]: Checked pairs total: 2091 [2021-04-28 19:55:47,470 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:55:47,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-04-28 19:55:47,472 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 87 transitions, 548 flow [2021-04-28 19:55:47,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:55:47,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:55:47,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:55:47,473 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:55:47,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:55:47,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1250526693, now seen corresponding path program 1 times [2021-04-28 19:55:47,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:55:47,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202904072] [2021-04-28 19:55:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:55:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:55:47,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:55:47,534 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:55:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:55:47,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:55:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:55:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:55:47,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202904072] [2021-04-28 19:55:47,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:55:47,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:55:47,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614369161] [2021-04-28 19:55:47,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:55:47,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:55:47,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:55:47,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:55:47,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 389 [2021-04-28 19:55:47,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 87 transitions, 548 flow. Second operand has 4 states, 4 states have (on average 297.75) internal successors, (1191), 4 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:55:47,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:55:47,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 389 [2021-04-28 19:55:47,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:56:02,117 INFO L129 PetriNetUnfolder]: 83051/124195 cut-off events. [2021-04-28 19:56:02,117 INFO L130 PetriNetUnfolder]: For 12712/13708 co-relation queries the response was YES. [2021-04-28 19:56:02,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253424 conditions, 124195 events. 83051/124195 cut-off events. For 12712/13708 co-relation queries the response was YES. Maximal size of possible extension queue 19479. Compared 1242815 event pairs, 43707 based on Foata normal form. 2284/37344 useless extension candidates. Maximal degree in co-relation 253402. Up to 79351 conditions per place. [2021-04-28 19:56:03,327 INFO L132 encePairwiseOnDemand]: 369/389 looper letters, 34 selfloop transitions, 33 changer transitions 0/131 dead transitions. [2021-04-28 19:56:03,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 131 transitions, 770 flow [2021-04-28 19:56:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:56:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:56:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1551 transitions. [2021-04-28 19:56:03,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7974293059125964 [2021-04-28 19:56:03,333 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1551 transitions. [2021-04-28 19:56:03,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1551 transitions. [2021-04-28 19:56:03,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:56:03,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1551 transitions. [2021-04-28 19:56:03,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:56:03,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:56:03,345 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:56:03,345 INFO L185 Difference]: Start difference. First operand has 80 places, 87 transitions, 548 flow. Second operand 5 states and 1551 transitions. [2021-04-28 19:56:03,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 131 transitions, 770 flow [2021-04-28 19:56:03,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 131 transitions, 760 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 19:56:03,405 INFO L241 Difference]: Finished difference. Result has 86 places, 118 transitions, 784 flow [2021-04-28 19:56:03,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=784, PETRI_PLACES=86, PETRI_TRANSITIONS=118} [2021-04-28 19:56:03,406 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -65 predicate places. [2021-04-28 19:56:03,406 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:56:03,406 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 118 transitions, 784 flow [2021-04-28 19:56:03,406 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 118 transitions, 784 flow [2021-04-28 19:56:03,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 118 transitions, 784 flow [2021-04-28 19:56:15,855 INFO L129 PetriNetUnfolder]: 70506/106907 cut-off events. [2021-04-28 19:56:15,855 INFO L130 PetriNetUnfolder]: For 29608/88089 co-relation queries the response was YES. [2021-04-28 19:56:16,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308803 conditions, 106907 events. 70506/106907 cut-off events. For 29608/88089 co-relation queries the response was YES. Maximal size of possible extension queue 16650. Compared 1090026 event pairs, 39787 based on Foata normal form. 54/32365 useless extension candidates. Maximal degree in co-relation 308779. Up to 100625 conditions per place. [2021-04-28 19:56:17,530 INFO L146 LiptonReduction]: Number of co-enabled transitions 4898 [2021-04-28 19:57:01,144 INFO L158 LiptonReduction]: Checked pairs total: 3703 [2021-04-28 19:57:01,144 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:57:01,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57738 [2021-04-28 19:57:01,146 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 118 transitions, 784 flow [2021-04-28 19:57:01,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 297.75) internal successors, (1191), 4 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:01,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:57:01,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:57:01,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:57:01,147 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:57:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:57:01,147 INFO L82 PathProgramCache]: Analyzing trace with hash -651753976, now seen corresponding path program 1 times [2021-04-28 19:57:01,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:57:01,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24239927] [2021-04-28 19:57:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:57:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:57:01,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:57:01,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:57:01,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:57:01,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:57:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:57:01,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24239927] [2021-04-28 19:57:01,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:57:01,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:57:01,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862404798] [2021-04-28 19:57:01,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:57:01,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:57:01,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:57:01,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:57:01,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 389 [2021-04-28 19:57:01,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 118 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:01,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:57:01,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 389 [2021-04-28 19:57:01,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:57:24,548 INFO L129 PetriNetUnfolder]: 125775/186226 cut-off events. [2021-04-28 19:57:24,548 INFO L130 PetriNetUnfolder]: For 53645/221678 co-relation queries the response was YES. [2021-04-28 19:57:25,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535256 conditions, 186226 events. 125775/186226 cut-off events. For 53645/221678 co-relation queries the response was YES. Maximal size of possible extension queue 28374. Compared 1898888 event pairs, 72409 based on Foata normal form. 551/54684 useless extension candidates. Maximal degree in co-relation 535230. Up to 177587 conditions per place. [2021-04-28 19:57:26,072 INFO L132 encePairwiseOnDemand]: 386/389 looper letters, 6 selfloop transitions, 14 changer transitions 1/118 dead transitions. [2021-04-28 19:57:26,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 118 transitions, 826 flow [2021-04-28 19:57:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:57:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:57:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2021-04-28 19:57:26,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712082262210797 [2021-04-28 19:57:26,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 900 transitions. [2021-04-28 19:57:26,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 900 transitions. [2021-04-28 19:57:26,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:57:26,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 900 transitions. [2021-04-28 19:57:26,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:26,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:26,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:26,088 INFO L185 Difference]: Start difference. First operand has 86 places, 118 transitions, 784 flow. Second operand 3 states and 900 transitions. [2021-04-28 19:57:26,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 118 transitions, 826 flow [2021-04-28 19:57:26,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 118 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:57:26,392 INFO L241 Difference]: Finished difference. Result has 89 places, 117 transitions, 818 flow [2021-04-28 19:57:26,392 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=89, PETRI_TRANSITIONS=117} [2021-04-28 19:57:26,392 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -62 predicate places. [2021-04-28 19:57:26,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:57:26,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 117 transitions, 818 flow [2021-04-28 19:57:26,393 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 117 transitions, 818 flow [2021-04-28 19:57:26,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 117 transitions, 818 flow [2021-04-28 19:57:48,245 INFO L129 PetriNetUnfolder]: 124841/185089 cut-off events. [2021-04-28 19:57:48,245 INFO L130 PetriNetUnfolder]: For 44061/126881 co-relation queries the response was YES. [2021-04-28 19:57:49,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533621 conditions, 185089 events. 124841/185089 cut-off events. For 44061/126881 co-relation queries the response was YES. Maximal size of possible extension queue 27083. Compared 1917231 event pairs, 72300 based on Foata normal form. 65/55133 useless extension candidates. Maximal degree in co-relation 533595. Up to 176888 conditions per place. [2021-04-28 19:57:50,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 4840 [2021-04-28 19:57:53,559 INFO L158 LiptonReduction]: Checked pairs total: 3618 [2021-04-28 19:57:53,559 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:57:53,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27166 [2021-04-28 19:57:53,560 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 117 transitions, 818 flow [2021-04-28 19:57:53,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:53,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:57:53,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:57:53,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:57:53,561 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:57:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:57:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash -304221854, now seen corresponding path program 1 times [2021-04-28 19:57:53,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:57:53,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442782126] [2021-04-28 19:57:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:57:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:57:53,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:57:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:57:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:57:53,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:57:53,629 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:57:53,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:57:53,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:57:53,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:57:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:57:53,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442782126] [2021-04-28 19:57:53,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:57:53,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:57:53,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576295484] [2021-04-28 19:57:53,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:57:53,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:57:53,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:57:53,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:57:53,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 389 [2021-04-28 19:57:53,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 117 transitions, 818 flow. Second operand has 5 states, 5 states have (on average 297.8) internal successors, (1489), 5 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:57:53,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:57:53,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 389 [2021-04-28 19:57:53,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:58:27,471 INFO L129 PetriNetUnfolder]: 160783/246877 cut-off events. [2021-04-28 19:58:27,472 INFO L130 PetriNetUnfolder]: For 77274/985123 co-relation queries the response was YES. [2021-04-28 19:58:28,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 951255 conditions, 246877 events. 160783/246877 cut-off events. For 77274/985123 co-relation queries the response was YES. Maximal size of possible extension queue 40896. Compared 2704426 event pairs, 33231 based on Foata normal form. 4516/82428 useless extension candidates. Maximal degree in co-relation 951227. Up to 231944 conditions per place. [2021-04-28 19:58:29,348 INFO L132 encePairwiseOnDemand]: 369/389 looper letters, 35 selfloop transitions, 64 changer transitions 0/162 dead transitions. [2021-04-28 19:58:29,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 162 transitions, 1265 flow [2021-04-28 19:58:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:58:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:58:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2175 transitions. [2021-04-28 19:58:29,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7987513771575468 [2021-04-28 19:58:29,356 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2175 transitions. [2021-04-28 19:58:29,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2175 transitions. [2021-04-28 19:58:29,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:58:29,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2175 transitions. [2021-04-28 19:58:29,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 310.7142857142857) internal successors, (2175), 7 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:58:29,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 389.0) internal successors, (3112), 8 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:58:29,371 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 389.0) internal successors, (3112), 8 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:58:29,372 INFO L185 Difference]: Start difference. First operand has 89 places, 117 transitions, 818 flow. Second operand 7 states and 2175 transitions. [2021-04-28 19:58:29,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 162 transitions, 1265 flow [2021-04-28 19:58:29,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 162 transitions, 1243 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-28 19:58:29,821 INFO L241 Difference]: Finished difference. Result has 97 places, 148 transitions, 1238 flow [2021-04-28 19:58:29,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1238, PETRI_PLACES=97, PETRI_TRANSITIONS=148} [2021-04-28 19:58:29,822 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -54 predicate places. [2021-04-28 19:58:29,822 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:58:29,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 148 transitions, 1238 flow [2021-04-28 19:58:29,822 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 148 transitions, 1238 flow [2021-04-28 19:58:29,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 148 transitions, 1238 flow [2021-04-28 19:59:05,892 INFO L129 PetriNetUnfolder]: 144882/225569 cut-off events. [2021-04-28 19:59:05,893 INFO L130 PetriNetUnfolder]: For 532440/1772319 co-relation queries the response was YES. [2021-04-28 19:59:07,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1072854 conditions, 225569 events. 144882/225569 cut-off events. For 532440/1772319 co-relation queries the response was YES. Maximal size of possible extension queue 36373. Compared 2549322 event pairs, 32125 based on Foata normal form. 108/68003 useless extension candidates. Maximal degree in co-relation 1072824. Up to 216851 conditions per place. [2021-04-28 19:59:09,819 INFO L146 LiptonReduction]: Number of co-enabled transitions 6490 [2021-04-28 19:59:10,669 INFO L158 LiptonReduction]: Checked pairs total: 7245 [2021-04-28 19:59:10,669 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:59:10,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40847 [2021-04-28 19:59:10,670 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 148 transitions, 1238 flow [2021-04-28 19:59:10,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 297.8) internal successors, (1489), 5 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:59:10,671 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:59:10,671 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:59:10,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:59:10,671 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:59:10,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:59:10,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1585561218, now seen corresponding path program 1 times [2021-04-28 19:59:10,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:59:10,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953096343] [2021-04-28 19:59:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:59:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:59:10,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:59:10,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:59:10,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:59:10,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:59:10,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:59:10,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:59:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:59:10,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953096343] [2021-04-28 19:59:10,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:59:10,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:59:10,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923480300] [2021-04-28 19:59:10,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:59:10,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:59:10,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:59:10,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:59:10,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 389 [2021-04-28 19:59:10,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 148 transitions, 1238 flow. Second operand has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:59:10,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:59:10,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 389 [2021-04-28 19:59:10,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:00:19,101 INFO L129 PetriNetUnfolder]: 245606/372984 cut-off events. [2021-04-28 20:00:19,102 INFO L130 PetriNetUnfolder]: For 1015169/3530868 co-relation queries the response was YES. [2021-04-28 20:00:21,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1780098 conditions, 372984 events. 245606/372984 cut-off events. For 1015169/3530868 co-relation queries the response was YES. Maximal size of possible extension queue 65502. Compared 4171455 event pairs, 57142 based on Foata normal form. 829/112881 useless extension candidates. Maximal degree in co-relation 1780066. Up to 360686 conditions per place. [2021-04-28 20:00:22,763 INFO L132 encePairwiseOnDemand]: 379/389 looper letters, 29 selfloop transitions, 31 changer transitions 0/165 dead transitions. [2021-04-28 20:00:22,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 165 transitions, 1526 flow [2021-04-28 20:00:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:00:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:00:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 917 transitions. [2021-04-28 20:00:22,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5893316195372751 [2021-04-28 20:00:22,767 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 917 transitions. [2021-04-28 20:00:22,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 917 transitions. [2021-04-28 20:00:22,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:00:22,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 917 transitions. [2021-04-28 20:00:22,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.25) internal successors, (917), 4 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 20:00:22,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 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 20:00:22,776 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 0 states have call successors, (0), 0 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 20:00:22,776 INFO L185 Difference]: Start difference. First operand has 97 places, 148 transitions, 1238 flow. Second operand 4 states and 917 transitions. [2021-04-28 20:00:22,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 165 transitions, 1526 flow [2021-04-28 20:03:02,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 165 transitions, 1364 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 20:03:02,040 INFO L241 Difference]: Finished difference. Result has 100 places, 158 transitions, 1341 flow [2021-04-28 20:03:02,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1341, PETRI_PLACES=100, PETRI_TRANSITIONS=158} [2021-04-28 20:03:02,040 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -51 predicate places. [2021-04-28 20:03:02,041 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:03:02,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 158 transitions, 1341 flow [2021-04-28 20:03:02,041 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 158 transitions, 1341 flow [2021-04-28 20:03:02,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 158 transitions, 1341 flow [2021-04-28 20:04:19,408 INFO L129 PetriNetUnfolder]: 238521/362647 cut-off events. [2021-04-28 20:04:19,409 INFO L130 PetriNetUnfolder]: For 409414/812518 co-relation queries the response was YES. [2021-04-28 20:04:21,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1634841 conditions, 362647 events. 238521/362647 cut-off events. For 409414/812518 co-relation queries the response was YES. Maximal size of possible extension queue 63179. Compared 4174406 event pairs, 56583 based on Foata normal form. 136/109390 useless extension candidates. Maximal degree in co-relation 1634808. Up to 313051 conditions per place. [2021-04-28 20:04:26,238 INFO L146 LiptonReduction]: Number of co-enabled transitions 7696 [2021-04-28 20:04:35,384 INFO L158 LiptonReduction]: Checked pairs total: 7980 [2021-04-28 20:04:35,384 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:04:35,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93344 [2021-04-28 20:04:35,385 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 158 transitions, 1341 flow [2021-04-28 20:04:35,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 20:04:35,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:04:35,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:04:35,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:04:35,387 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:04:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:04:35,387 INFO L82 PathProgramCache]: Analyzing trace with hash 468148722, now seen corresponding path program 2 times [2021-04-28 20:04:35,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:04:35,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204227404] [2021-04-28 20:04:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:04:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:04:35,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:04:35,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:04:35,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:04:35,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:04:35,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:04:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:04:35,482 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:04:35,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:04:35,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:04:35,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:04:35,495 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 20:04:35,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204227404] [2021-04-28 20:04:35,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:04:35,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:04:35,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798525572] [2021-04-28 20:04:35,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:04:35,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:04:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:04:35,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:04:35,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 389 [2021-04-28 20:04:35,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 158 transitions, 1341 flow. Second operand has 6 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 0 states have call successors, (0), 0 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 20:04:35,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:04:35,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 389 [2021-04-28 20:04:35,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:06:01,640 INFO L129 PetriNetUnfolder]: 256319/406272 cut-off events. [2021-04-28 20:06:01,640 INFO L130 PetriNetUnfolder]: For 443207/2919029 co-relation queries the response was YES. [2021-04-28 20:06:04,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2217778 conditions, 406272 events. 256319/406272 cut-off events. For 443207/2919029 co-relation queries the response was YES. Maximal size of possible extension queue 72963. Compared 4887330 event pairs, 9852 based on Foata normal form. 7259/135123 useless extension candidates. Maximal degree in co-relation 2217743. Up to 344422 conditions per place. [2021-04-28 20:06:04,735 INFO L132 encePairwiseOnDemand]: 369/389 looper letters, 24 selfloop transitions, 95 changer transitions 15/204 dead transitions. [2021-04-28 20:06:04,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 204 transitions, 2012 flow [2021-04-28 20:06:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:06:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:06:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2799 transitions. [2021-04-28 20:06:04,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7994858611825193 [2021-04-28 20:06:04,743 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2799 transitions. [2021-04-28 20:06:04,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2799 transitions. [2021-04-28 20:06:04,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:06:04,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2799 transitions. [2021-04-28 20:06:04,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 311.0) internal successors, (2799), 9 states have internal predecessors, (2799), 0 states have call successors, (0), 0 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 20:06:04,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 389.0) internal successors, (3890), 10 states have internal predecessors, (3890), 0 states have call successors, (0), 0 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 20:06:04,761 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 389.0) internal successors, (3890), 10 states have internal predecessors, (3890), 0 states have call successors, (0), 0 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 20:06:04,761 INFO L185 Difference]: Start difference. First operand has 100 places, 158 transitions, 1341 flow. Second operand 9 states and 2799 transitions. [2021-04-28 20:06:04,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 204 transitions, 2012 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown