/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/mix055_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:22:54,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:22:54,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:22:54,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:22:54,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:22:54,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:22:54,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:22:54,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:22:54,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:22:54,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:22:54,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:22:54,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:22:54,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:22:54,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:22:54,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:22:54,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:22:54,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:22:54,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:22:54,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:22:54,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:22:54,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:22:54,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:22:54,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:22:54,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:22:54,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:22:54,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:22:54,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:22:54,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:22:54,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:22:54,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:22:54,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:22:54,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:22:54,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:22:54,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:22:54,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:22:54,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:22:54,972 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 22:22:55,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:22:55,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:22:55,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:22:55,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:22:55,012 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:22:55,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:22:55,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:22:55,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:22:55,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:22:55,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:22:55,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:22:55,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:22:55,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:22:55,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:22:55,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:22:55,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:22:55,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:22:55,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:22:55,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:22:55,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:22:55,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:22:55,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:22:55,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:22:55,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:22:55,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:22:55,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:22:55,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:22:55,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:22:55,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:22:55,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:22:55,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:22:55,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:22:55,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:22:55,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:22:55,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:22:55,481 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:22:55,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_rmo.oepc.i [2021-04-28 22:22:55,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817104461/ab72cfc07da7494781c155ed30198092/FLAGcba8b51a3 [2021-04-28 22:22:56,311 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:22:56,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_rmo.oepc.i [2021-04-28 22:22:56,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817104461/ab72cfc07da7494781c155ed30198092/FLAGcba8b51a3 [2021-04-28 22:22:56,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/817104461/ab72cfc07da7494781c155ed30198092 [2021-04-28 22:22:56,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:22:56,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:22:56,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:22:56,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:22:56,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:22:56,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:22:56" (1/1) ... [2021-04-28 22:22:56,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a59ec09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:56, skipping insertion in model container [2021-04-28 22:22:56,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:22:56" (1/1) ... [2021-04-28 22:22:56,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:22:56,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:22:56,963 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/mix055_rmo.oepc.i[949,962] [2021-04-28 22:22:57,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:22:57,308 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:22:57,323 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/mix055_rmo.oepc.i[949,962] [2021-04-28 22:22:57,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:22:57,508 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:22:57,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57 WrapperNode [2021-04-28 22:22:57,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:22:57,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:22:57,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:22:57,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:22:57,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:22:57,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:22:57,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:22:57,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:22:57,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (1/1) ... [2021-04-28 22:22:57,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:22:57,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:22:57,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:22:57,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:22:57,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (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 22:22:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:22:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:22:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:22:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:22:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:22:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:22:57,778 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:22:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:22:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:22:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:22:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:22:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:22:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:22:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:22:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:22:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:22:57,783 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 22:23:00,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:23:00,292 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:23:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:23:00 BoogieIcfgContainer [2021-04-28 22:23:00,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:23:00,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:23:00,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:23:00,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:23:00,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:22:56" (1/3) ... [2021-04-28 22:23:00,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf39ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:23:00, skipping insertion in model container [2021-04-28 22:23:00,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:57" (2/3) ... [2021-04-28 22:23:00,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf39ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:23:00, skipping insertion in model container [2021-04-28 22:23:00,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:23:00" (3/3) ... [2021-04-28 22:23:00,305 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_rmo.oepc.i [2021-04-28 22:23:00,313 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:23:00,318 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:23:00,319 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:23:00,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,369 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,369 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,370 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,375 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,375 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,376 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,376 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,382 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,382 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,388 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,388 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,388 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,389 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,389 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,389 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,390 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,418 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,419 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,433 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:23:00,434 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:23:00,458 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:23:00,485 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:23:00,485 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:23:00,485 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:23:00,485 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:23:00,485 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:23:00,486 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:23:00,486 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:23:00,486 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:23:00,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 22:23:00,555 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 22:23:00,555 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:00,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:23:00,561 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 22:23:00,568 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-04-28 22:23:00,570 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:23:00,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 22:23:00,591 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 22:23:00,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-04-28 22:23:00,621 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 22:23:00,622 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:00,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 22:23:00,628 INFO L146 LiptonReduction]: Number of co-enabled transitions 2672 [2021-04-28 22:23:04,231 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:23:04,346 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:23:04,928 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 22:23:05,147 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:23:06,436 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 22:23:07,697 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:07,812 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:08,032 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:08,256 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:21,253 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:21,372 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:21,486 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:21,591 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:21,709 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:21,865 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:22,022 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:22,181 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:22,287 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:22,391 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:22,495 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:22,755 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:23,141 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:23,249 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:23,354 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:23,465 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:23,585 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:23,706 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:23,827 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:23,946 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:24,058 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:24,170 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:24,285 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:24,395 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:24,852 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:25,294 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:28,543 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:28,684 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:28,827 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:28,968 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:29,098 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:29,227 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:29,359 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:29,491 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:30,472 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:30,850 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:30,987 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:31,116 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:31,253 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:31,365 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:31,479 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:31,594 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:31,713 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:32,170 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:32,371 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:32,612 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:32,760 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:32,904 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:33,049 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:33,282 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:33,513 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:33,712 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:33,909 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:34,103 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:34,298 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:34,490 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:34,691 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:34,848 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:35,004 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:35,162 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:35,317 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:35,503 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:35,691 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:35,885 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:36,078 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:36,235 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:36,413 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:36,591 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:36,755 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:36,928 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:37,098 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:37,274 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:37,447 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:23:37,966 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:23:38,218 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:23:38,734 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:23:38,984 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:23:39,175 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:39,374 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:39,571 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:39,768 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:39,971 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:40,189 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:40,387 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:40,589 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:41,107 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:41,279 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:41,442 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:41,604 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:41,793 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:41,983 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:42,168 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:42,353 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:42,860 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:23:43,088 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:23:43,603 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:23:43,849 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:23:44,056 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:44,266 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:44,467 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:44,673 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:44,865 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:45,051 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:45,241 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:45,435 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:45,612 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:45,796 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:45,977 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:46,153 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:46,322 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:46,487 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:46,651 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:46,816 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:46,885 INFO L158 LiptonReduction]: Checked pairs total: 28122 [2021-04-28 22:23:46,885 INFO L160 LiptonReduction]: Total number of compositions: 283 [2021-04-28 22:23:46,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46324 [2021-04-28 22:23:46,916 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 22:23:46,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:46,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:23:46,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 22:23:46,919 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 22:23:46,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:23:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1378315, now seen corresponding path program 1 times [2021-04-28 22:23:46,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:23:46,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978210267] [2021-04-28 22:23:46,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:23:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:23:47,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:23:47,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:23:47,282 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 22:23:47,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978210267] [2021-04-28 22:23:47,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:23:47,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:23:47,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109662951] [2021-04-28 22:23:47,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:23:47,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:23:47,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:23:47,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:23:47,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 398 [2021-04-28 22:23:47,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 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 22:23:47,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:23:47,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 398 [2021-04-28 22:23:47,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:23:47,712 INFO L129 PetriNetUnfolder]: 133/836 cut-off events. [2021-04-28 22:23:47,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:47,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 836 events. 133/836 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 7555 event pairs, 110 based on Foata normal form. 69/346 useless extension candidates. Maximal degree in co-relation 990. Up to 153 conditions per place. [2021-04-28 22:23:47,731 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 11 selfloop transitions, 2 changer transitions 56/143 dead transitions. [2021-04-28 22:23:47,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 356 flow [2021-04-28 22:23:47,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:23:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:23:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2021-04-28 22:23:47,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8090452261306532 [2021-04-28 22:23:47,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2021-04-28 22:23:47,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2021-04-28 22:23:47,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:23:47,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2021-04-28 22:23:47,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:23:47,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 22:23:47,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 22:23:47,798 INFO L185 Difference]: Start difference. First operand has 154 places, 142 transitions, 296 flow. Second operand 3 states and 966 transitions. [2021-04-28 22:23:47,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 356 flow [2021-04-28 22:23:47,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 143 transitions, 352 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:23:47,808 INFO L241 Difference]: Finished difference. Result has 149 places, 82 transitions, 176 flow [2021-04-28 22:23:47,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=149, PETRI_TRANSITIONS=82} [2021-04-28 22:23:47,812 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2021-04-28 22:23:47,812 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:23:47,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 82 transitions, 176 flow [2021-04-28 22:23:47,813 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 82 transitions, 176 flow [2021-04-28 22:23:47,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 82 transitions, 176 flow [2021-04-28 22:23:47,827 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-28 22:23:47,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:47,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 82 events. 0/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 418 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:23:47,830 INFO L146 LiptonReduction]: Number of co-enabled transitions 3248 [2021-04-28 22:23:48,394 INFO L158 LiptonReduction]: Checked pairs total: 4162 [2021-04-28 22:23:48,395 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:23:48,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 583 [2021-04-28 22:23:48,398 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 82 transitions, 176 flow [2021-04-28 22:23:48,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 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 22:23:48,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:23:48,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:23:48,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:23:48,400 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 22:23:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:23:48,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1181527596, now seen corresponding path program 1 times [2021-04-28 22:23:48,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:23:48,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949047219] [2021-04-28 22:23:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:23:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:23:48,539 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:23:48,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:23:48,552 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 22:23:48,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949047219] [2021-04-28 22:23:48,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:23:48,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:23:48,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729429293] [2021-04-28 22:23:48,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:23:48,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:23:48,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:23:48,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:23:48,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:23:48,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 82 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 22:23:48,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:23:48,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:23:48,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:23:50,494 INFO L129 PetriNetUnfolder]: 3707/10363 cut-off events. [2021-04-28 22:23:50,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:23:50,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15855 conditions, 10363 events. 3707/10363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1732. Compared 133729 event pairs, 1249 based on Foata normal form. 0/6417 useless extension candidates. Maximal degree in co-relation 15846. Up to 2741 conditions per place. [2021-04-28 22:23:50,572 INFO L132 encePairwiseOnDemand]: 375/398 looper letters, 7 selfloop transitions, 7 changer transitions 50/112 dead transitions. [2021-04-28 22:23:50,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 112 transitions, 364 flow [2021-04-28 22:23:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:23:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:23:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 763 transitions. [2021-04-28 22:23:50,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6390284757118928 [2021-04-28 22:23:50,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 763 transitions. [2021-04-28 22:23:50,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 763 transitions. [2021-04-28 22:23:50,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:23:50,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 763 transitions. [2021-04-28 22:23:50,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 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 22:23:50,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 22:23:50,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 398.0) internal successors, (1592), 4 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 22:23:50,589 INFO L185 Difference]: Start difference. First operand has 93 places, 82 transitions, 176 flow. Second operand 3 states and 763 transitions. [2021-04-28 22:23:50,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 112 transitions, 364 flow [2021-04-28 22:23:50,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 112 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:23:50,594 INFO L241 Difference]: Finished difference. Result has 95 places, 62 transitions, 174 flow [2021-04-28 22:23:50,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=95, PETRI_TRANSITIONS=62} [2021-04-28 22:23:50,595 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -59 predicate places. [2021-04-28 22:23:50,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:23:50,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 62 transitions, 174 flow [2021-04-28 22:23:50,596 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 62 transitions, 174 flow [2021-04-28 22:23:50,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 62 transitions, 174 flow [2021-04-28 22:23:50,702 INFO L129 PetriNetUnfolder]: 165/665 cut-off events. [2021-04-28 22:23:50,703 INFO L130 PetriNetUnfolder]: For 61/72 co-relation queries the response was YES. [2021-04-28 22:23:50,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 665 events. 165/665 cut-off events. For 61/72 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5452 event pairs, 65 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 1081. Up to 181 conditions per place. [2021-04-28 22:23:50,728 INFO L146 LiptonReduction]: Number of co-enabled transitions 2170 [2021-04-28 22:23:51,229 INFO L158 LiptonReduction]: Checked pairs total: 1426 [2021-04-28 22:23:51,229 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:23:51,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 634 [2021-04-28 22:23:51,232 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 174 flow [2021-04-28 22:23:51,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 22:23:51,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:23:51,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:23:51,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:23:51,234 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 22:23:51,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:23:51,235 INFO L82 PathProgramCache]: Analyzing trace with hash -2027352926, now seen corresponding path program 1 times [2021-04-28 22:23:51,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:23:51,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640339433] [2021-04-28 22:23:51,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:23:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:23:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:23:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:23:51,327 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:23:51,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:23:51,340 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 22:23:51,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640339433] [2021-04-28 22:23:51,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:23:51,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:23:51,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712591321] [2021-04-28 22:23:51,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:23:51,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:23:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:23:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:23:51,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:23:51,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 22:23:51,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:23:51,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:23:51,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:23:51,502 INFO L129 PetriNetUnfolder]: 147/587 cut-off events. [2021-04-28 22:23:51,503 INFO L130 PetriNetUnfolder]: For 94/353 co-relation queries the response was YES. [2021-04-28 22:23:51,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 587 events. 147/587 cut-off events. For 94/353 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4464 event pairs, 12 based on Foata normal form. 3/407 useless extension candidates. Maximal degree in co-relation 1219. Up to 165 conditions per place. [2021-04-28 22:23:51,513 INFO L132 encePairwiseOnDemand]: 390/398 looper letters, 12 selfloop transitions, 11 changer transitions 0/71 dead transitions. [2021-04-28 22:23:51,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 71 transitions, 266 flow [2021-04-28 22:23:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:23:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:23:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 956 transitions. [2021-04-28 22:23:51,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005025125628141 [2021-04-28 22:23:51,519 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 956 transitions. [2021-04-28 22:23:51,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 956 transitions. [2021-04-28 22:23:51,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:23:51,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 956 transitions. [2021-04-28 22:23:51,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:23:51,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:23:51,532 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:23:51,532 INFO L185 Difference]: Start difference. First operand has 69 places, 62 transitions, 174 flow. Second operand 4 states and 956 transitions. [2021-04-28 22:23:51,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 71 transitions, 266 flow [2021-04-28 22:23:51,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 71 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:23:51,538 INFO L241 Difference]: Finished difference. Result has 73 places, 69 transitions, 244 flow [2021-04-28 22:23:51,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=244, PETRI_PLACES=73, PETRI_TRANSITIONS=69} [2021-04-28 22:23:51,539 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -81 predicate places. [2021-04-28 22:23:51,539 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:23:51,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 69 transitions, 244 flow [2021-04-28 22:23:51,540 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 69 transitions, 244 flow [2021-04-28 22:23:51,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 69 transitions, 244 flow [2021-04-28 22:23:51,636 INFO L129 PetriNetUnfolder]: 147/611 cut-off events. [2021-04-28 22:23:51,636 INFO L130 PetriNetUnfolder]: For 269/333 co-relation queries the response was YES. [2021-04-28 22:23:51,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1180 conditions, 611 events. 147/611 cut-off events. For 269/333 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4895 event pairs, 43 based on Foata normal form. 1/419 useless extension candidates. Maximal degree in co-relation 1168. Up to 165 conditions per place. [2021-04-28 22:23:51,660 INFO L146 LiptonReduction]: Number of co-enabled transitions 2530 [2021-04-28 22:23:51,889 INFO L158 LiptonReduction]: Checked pairs total: 1681 [2021-04-28 22:23:51,889 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:23:51,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 350 [2021-04-28 22:23:51,892 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 244 flow [2021-04-28 22:23:51,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 22:23:51,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:23:51,894 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:23:51,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:23:51,894 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 22:23:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:23:51,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2027674985, now seen corresponding path program 1 times [2021-04-28 22:23:51,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:23:51,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229038231] [2021-04-28 22:23:51,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:23:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:23:51,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:23:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:23:51,987 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:23:51,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:23:52,002 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 22:23:52,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229038231] [2021-04-28 22:23:52,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:23:52,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:23:52,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246825592] [2021-04-28 22:23:52,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:23:52,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:23:52,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:23:52,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:23:52,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:23:52,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 244 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 22:23:52,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:23:52,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:23:52,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:23:52,199 INFO L129 PetriNetUnfolder]: 129/565 cut-off events. [2021-04-28 22:23:52,200 INFO L130 PetriNetUnfolder]: For 312/670 co-relation queries the response was YES. [2021-04-28 22:23:52,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 565 events. 129/565 cut-off events. For 312/670 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4389 event pairs, 26 based on Foata normal form. 15/399 useless extension candidates. Maximal degree in co-relation 1294. Up to 149 conditions per place. [2021-04-28 22:23:52,209 INFO L132 encePairwiseOnDemand]: 390/398 looper letters, 15 selfloop transitions, 17 changer transitions 0/80 dead transitions. [2021-04-28 22:23:52,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 80 transitions, 382 flow [2021-04-28 22:23:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:23:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:23:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 956 transitions. [2021-04-28 22:23:52,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005025125628141 [2021-04-28 22:23:52,215 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 956 transitions. [2021-04-28 22:23:52,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 956 transitions. [2021-04-28 22:23:52,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:23:52,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 956 transitions. [2021-04-28 22:23:52,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:23:52,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:23:52,226 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:23:52,226 INFO L185 Difference]: Start difference. First operand has 73 places, 69 transitions, 244 flow. Second operand 4 states and 956 transitions. [2021-04-28 22:23:52,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 80 transitions, 382 flow [2021-04-28 22:23:52,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 80 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:23:52,233 INFO L241 Difference]: Finished difference. Result has 79 places, 78 transitions, 388 flow [2021-04-28 22:23:52,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=388, PETRI_PLACES=79, PETRI_TRANSITIONS=78} [2021-04-28 22:23:52,233 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -75 predicate places. [2021-04-28 22:23:52,234 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:23:52,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 388 flow [2021-04-28 22:23:52,234 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 388 flow [2021-04-28 22:23:52,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 388 flow [2021-04-28 22:23:52,322 INFO L129 PetriNetUnfolder]: 129/553 cut-off events. [2021-04-28 22:23:52,322 INFO L130 PetriNetUnfolder]: For 727/869 co-relation queries the response was YES. [2021-04-28 22:23:52,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1340 conditions, 553 events. 129/553 cut-off events. For 727/869 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4256 event pairs, 30 based on Foata normal form. 2/379 useless extension candidates. Maximal degree in co-relation 1323. Up to 149 conditions per place. [2021-04-28 22:23:52,344 INFO L146 LiptonReduction]: Number of co-enabled transitions 2962 [2021-04-28 22:23:52,355 INFO L158 LiptonReduction]: Checked pairs total: 1970 [2021-04-28 22:23:52,356 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:23:52,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-04-28 22:23:52,358 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 78 transitions, 388 flow [2021-04-28 22:23:52,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 22:23:52,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:23:52,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:23:52,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:23:52,360 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 22:23:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:23:52,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1574571797, now seen corresponding path program 1 times [2021-04-28 22:23:52,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:23:52,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617378349] [2021-04-28 22:23:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:23:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:23:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:23:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:23:52,439 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:23:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:23:52,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:23:52,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:23:52,457 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 22:23:52,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617378349] [2021-04-28 22:23:52,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:23:52,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:23:52,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470721669] [2021-04-28 22:23:52,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:23:52,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:23:52,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:23:52,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:23:52,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:23:52,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 388 flow. Second operand has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 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 22:23:52,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:23:52,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:23:52,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:05,687 INFO L129 PetriNetUnfolder]: 67574/101902 cut-off events. [2021-04-28 22:24:05,687 INFO L130 PetriNetUnfolder]: For 3635/3838 co-relation queries the response was YES. [2021-04-28 22:24:06,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206012 conditions, 101902 events. 67574/101902 cut-off events. For 3635/3838 co-relation queries the response was YES. Maximal size of possible extension queue 18003. Compared 997896 event pairs, 12933 based on Foata normal form. 1269/29285 useless extension candidates. Maximal degree in co-relation 205993. Up to 57859 conditions per place. [2021-04-28 22:24:07,146 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 38 selfloop transitions, 25 changer transitions 0/114 dead transitions. [2021-04-28 22:24:07,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 114 transitions, 586 flow [2021-04-28 22:24:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:24:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:24:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1094 transitions. [2021-04-28 22:24:07,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6871859296482412 [2021-04-28 22:24:07,154 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1094 transitions. [2021-04-28 22:24:07,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1094 transitions. [2021-04-28 22:24:07,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:07,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1094 transitions. [2021-04-28 22:24:07,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 273.5) internal successors, (1094), 4 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:24:07,169 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:24:07,169 INFO L185 Difference]: Start difference. First operand has 79 places, 78 transitions, 388 flow. Second operand 4 states and 1094 transitions. [2021-04-28 22:24:07,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 114 transitions, 586 flow [2021-04-28 22:24:07,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 114 transitions, 586 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:24:07,188 INFO L241 Difference]: Finished difference. Result has 84 places, 101 transitions, 571 flow [2021-04-28 22:24:07,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=571, PETRI_PLACES=84, PETRI_TRANSITIONS=101} [2021-04-28 22:24:07,189 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -70 predicate places. [2021-04-28 22:24:07,189 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:07,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 101 transitions, 571 flow [2021-04-28 22:24:07,190 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 101 transitions, 571 flow [2021-04-28 22:24:07,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 101 transitions, 571 flow [2021-04-28 22:24:12,210 INFO L129 PetriNetUnfolder]: 28164/47469 cut-off events. [2021-04-28 22:24:12,210 INFO L130 PetriNetUnfolder]: For 4241/16932 co-relation queries the response was YES. [2021-04-28 22:24:12,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101178 conditions, 47469 events. 28164/47469 cut-off events. For 4241/16932 co-relation queries the response was YES. Maximal size of possible extension queue 8851. Compared 513188 event pairs, 12683 based on Foata normal form. 9/14525 useless extension candidates. Maximal degree in co-relation 101157. Up to 44647 conditions per place. [2021-04-28 22:24:13,285 INFO L146 LiptonReduction]: Number of co-enabled transitions 4274 [2021-04-28 22:24:13,848 INFO L158 LiptonReduction]: Checked pairs total: 2500 [2021-04-28 22:24:13,849 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:13,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6660 [2021-04-28 22:24:13,851 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 101 transitions, 571 flow [2021-04-28 22:24:13,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 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 22:24:13,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:13,853 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:13,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:24:13,853 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 22:24:13,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:13,854 INFO L82 PathProgramCache]: Analyzing trace with hash -819546217, now seen corresponding path program 1 times [2021-04-28 22:24:13,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:13,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061389796] [2021-04-28 22:24:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:14,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:14,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:14,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:14,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:14,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:24:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:24:14,146 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 22:24:14,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061389796] [2021-04-28 22:24:14,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:14,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:24:14,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261304204] [2021-04-28 22:24:14,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:24:14,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:14,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:24:14,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:24:14,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 398 [2021-04-28 22:24:14,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 101 transitions, 571 flow. Second operand has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 22:24:14,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:14,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 398 [2021-04-28 22:24:14,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:22,578 INFO L129 PetriNetUnfolder]: 47042/77072 cut-off events. [2021-04-28 22:24:22,578 INFO L130 PetriNetUnfolder]: For 10466/33150 co-relation queries the response was YES. [2021-04-28 22:24:22,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163647 conditions, 77072 events. 47042/77072 cut-off events. For 10466/33150 co-relation queries the response was YES. Maximal size of possible extension queue 14187. Compared 841013 event pairs, 22400 based on Foata normal form. 563/24474 useless extension candidates. Maximal degree in co-relation 163624. Up to 73366 conditions per place. [2021-04-28 22:24:23,153 INFO L132 encePairwiseOnDemand]: 390/398 looper letters, 17 selfloop transitions, 19 changer transitions 4/111 dead transitions. [2021-04-28 22:24:23,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 111 transitions, 741 flow [2021-04-28 22:24:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:24:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:24:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 956 transitions. [2021-04-28 22:24:23,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005025125628141 [2021-04-28 22:24:23,161 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 956 transitions. [2021-04-28 22:24:23,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 956 transitions. [2021-04-28 22:24:23,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:23,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 956 transitions. [2021-04-28 22:24:23,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:23,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:24:23,172 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 398.0) internal successors, (1990), 5 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 22:24:23,172 INFO L185 Difference]: Start difference. First operand has 84 places, 101 transitions, 571 flow. Second operand 4 states and 956 transitions. [2021-04-28 22:24:23,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 111 transitions, 741 flow [2021-04-28 22:24:23,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 111 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:24:23,200 INFO L241 Difference]: Finished difference. Result has 89 places, 103 transitions, 672 flow [2021-04-28 22:24:23,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=672, PETRI_PLACES=89, PETRI_TRANSITIONS=103} [2021-04-28 22:24:23,201 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -65 predicate places. [2021-04-28 22:24:23,201 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:23,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 103 transitions, 672 flow [2021-04-28 22:24:23,201 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 103 transitions, 672 flow [2021-04-28 22:24:23,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 103 transitions, 672 flow [2021-04-28 22:24:32,022 INFO L129 PetriNetUnfolder]: 46679/76046 cut-off events. [2021-04-28 22:24:32,023 INFO L130 PetriNetUnfolder]: For 7258/27895 co-relation queries the response was YES. [2021-04-28 22:24:32,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158423 conditions, 76046 events. 46679/76046 cut-off events. For 7258/27895 co-relation queries the response was YES. Maximal size of possible extension queue 14124. Compared 831918 event pairs, 22276 based on Foata normal form. 9/23940 useless extension candidates. Maximal degree in co-relation 158398. Up to 72913 conditions per place. [2021-04-28 22:24:33,572 INFO L146 LiptonReduction]: Number of co-enabled transitions 4454 [2021-04-28 22:24:33,657 INFO L158 LiptonReduction]: Checked pairs total: 2530 [2021-04-28 22:24:33,657 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:33,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10457 [2021-04-28 22:24:33,660 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 103 transitions, 672 flow [2021-04-28 22:24:33,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 22:24:33,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:33,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:33,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:24:33,662 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 22:24:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:33,663 INFO L82 PathProgramCache]: Analyzing trace with hash -386574092, now seen corresponding path program 1 times [2021-04-28 22:24:33,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:33,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060533654] [2021-04-28 22:24:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:33,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:33,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:33,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:33,763 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:24:33,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:24:33,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:33,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:33,793 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 22:24:33,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060533654] [2021-04-28 22:24:33,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:33,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:24:33,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923542037] [2021-04-28 22:24:33,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:24:33,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:33,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:24:33,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:24:33,799 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:24:33,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 103 transitions, 672 flow. Second operand has 5 states, 5 states have (on average 259.8) internal successors, (1299), 5 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 22:24:33,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:33,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:24:33,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:09,416 INFO L129 PetriNetUnfolder]: 132282/205900 cut-off events. [2021-04-28 22:25:09,417 INFO L130 PetriNetUnfolder]: For 36611/426749 co-relation queries the response was YES. [2021-04-28 22:25:10,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 621526 conditions, 205900 events. 132282/205900 cut-off events. For 36611/426749 co-relation queries the response was YES. Maximal size of possible extension queue 37509. Compared 2282527 event pairs, 8031 based on Foata normal form. 2116/62471 useless extension candidates. Maximal degree in co-relation 621499. Up to 178483 conditions per place. [2021-04-28 22:25:11,137 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 50 selfloop transitions, 37 changer transitions 0/140 dead transitions. [2021-04-28 22:25:11,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 140 transitions, 990 flow [2021-04-28 22:25:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:25:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:25:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1373 transitions. [2021-04-28 22:25:11,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6899497487437186 [2021-04-28 22:25:11,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1373 transitions. [2021-04-28 22:25:11,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1373 transitions. [2021-04-28 22:25:11,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:11,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1373 transitions. [2021-04-28 22:25:11,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 0 states have call successors, (0), 0 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 22:25:11,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 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 22:25:11,153 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 0 states have call successors, (0), 0 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 22:25:11,153 INFO L185 Difference]: Start difference. First operand has 89 places, 103 transitions, 672 flow. Second operand 5 states and 1373 transitions. [2021-04-28 22:25:11,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 140 transitions, 990 flow [2021-04-28 22:25:11,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 140 transitions, 969 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:25:11,175 INFO L241 Difference]: Finished difference. Result has 94 places, 126 transitions, 915 flow [2021-04-28 22:25:11,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=915, PETRI_PLACES=94, PETRI_TRANSITIONS=126} [2021-04-28 22:25:11,175 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -60 predicate places. [2021-04-28 22:25:11,175 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:11,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 126 transitions, 915 flow [2021-04-28 22:25:11,176 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 126 transitions, 915 flow [2021-04-28 22:25:11,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 126 transitions, 915 flow [2021-04-28 22:25:27,585 INFO L129 PetriNetUnfolder]: 81120/138436 cut-off events. [2021-04-28 22:25:27,585 INFO L130 PetriNetUnfolder]: For 115789/521507 co-relation queries the response was YES. [2021-04-28 22:25:28,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460643 conditions, 138436 events. 81120/138436 cut-off events. For 115789/521507 co-relation queries the response was YES. Maximal size of possible extension queue 27530. Compared 1702261 event pairs, 9333 based on Foata normal form. 50/41199 useless extension candidates. Maximal degree in co-relation 460615. Up to 127537 conditions per place. [2021-04-28 22:25:29,855 INFO L146 LiptonReduction]: Number of co-enabled transitions 5722 [2021-04-28 22:25:30,149 INFO L158 LiptonReduction]: Checked pairs total: 4344 [2021-04-28 22:25:30,149 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:30,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18974 [2021-04-28 22:25:30,151 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 126 transitions, 915 flow [2021-04-28 22:25:30,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 259.8) internal successors, (1299), 5 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 22:25:30,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:30,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:30,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:25:30,152 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 22:25:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:30,153 INFO L82 PathProgramCache]: Analyzing trace with hash 242402949, now seen corresponding path program 1 times [2021-04-28 22:25:30,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:30,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908592099] [2021-04-28 22:25:30,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:30,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:30,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:30,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:30,273 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:25:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:25:30,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:25:30,288 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 22:25:30,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908592099] [2021-04-28 22:25:30,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:30,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:25:30,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808726988] [2021-04-28 22:25:30,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:25:30,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:25:30,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:25:30,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:25:30,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 126 transitions, 915 flow. Second operand has 6 states, 6 states have (on average 259.8333333333333) internal successors, (1559), 6 states have internal predecessors, (1559), 0 states have call successors, (0), 0 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 22:25:30,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:30,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:25:30,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:58,703 INFO L129 PetriNetUnfolder]: 127674/211669 cut-off events. [2021-04-28 22:25:58,704 INFO L130 PetriNetUnfolder]: For 98302/834676 co-relation queries the response was YES. [2021-04-28 22:25:59,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 900568 conditions, 211669 events. 127674/211669 cut-off events. For 98302/834676 co-relation queries the response was YES. Maximal size of possible extension queue 37959. Compared 2552676 event pairs, 66 based on Foata normal form. 2034/63784 useless extension candidates. Maximal degree in co-relation 900538. Up to 185728 conditions per place. [2021-04-28 22:26:00,418 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 62 selfloop transitions, 49 changer transitions 0/164 dead transitions. [2021-04-28 22:26:00,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 164 transitions, 1364 flow [2021-04-28 22:26:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:26:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:26:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1652 transitions. [2021-04-28 22:26:00,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6917922948073701 [2021-04-28 22:26:00,427 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1652 transitions. [2021-04-28 22:26:00,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1652 transitions. [2021-04-28 22:26:00,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:26:00,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1652 transitions. [2021-04-28 22:26:00,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.3333333333333) internal successors, (1652), 6 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 22:26:00,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 22:26:00,439 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 22:26:00,439 INFO L185 Difference]: Start difference. First operand has 94 places, 126 transitions, 915 flow. Second operand 6 states and 1652 transitions. [2021-04-28 22:26:00,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 164 transitions, 1364 flow [2021-04-28 22:26:00,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 164 transitions, 1303 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-28 22:26:00,890 INFO L241 Difference]: Finished difference. Result has 99 places, 149 transitions, 1199 flow [2021-04-28 22:26:00,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1199, PETRI_PLACES=99, PETRI_TRANSITIONS=149} [2021-04-28 22:26:00,890 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -55 predicate places. [2021-04-28 22:26:00,890 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:26:00,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 149 transitions, 1199 flow [2021-04-28 22:26:00,891 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 149 transitions, 1199 flow [2021-04-28 22:26:00,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 149 transitions, 1199 flow [2021-04-28 22:26:25,164 INFO L129 PetriNetUnfolder]: 106728/184726 cut-off events. [2021-04-28 22:26:25,165 INFO L130 PetriNetUnfolder]: For 259658/578550 co-relation queries the response was YES. [2021-04-28 22:26:26,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 838051 conditions, 184726 events. 106728/184726 cut-off events. For 259658/578550 co-relation queries the response was YES. Maximal size of possible extension queue 35807. Compared 2370340 event pairs, 360 based on Foata normal form. 47/53519 useless extension candidates. Maximal degree in co-relation 838021. Up to 162694 conditions per place. [2021-04-28 22:26:28,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 6318 [2021-04-28 22:26:28,938 INFO L158 LiptonReduction]: Checked pairs total: 6116 [2021-04-28 22:26:28,938 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:26:28,938 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28048 [2021-04-28 22:26:28,940 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 149 transitions, 1199 flow [2021-04-28 22:26:28,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 259.8333333333333) internal successors, (1559), 6 states have internal predecessors, (1559), 0 states have call successors, (0), 0 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 22:26:28,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:26:28,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:26:28,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:26:28,941 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 22:26:28,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:26:28,942 INFO L82 PathProgramCache]: Analyzing trace with hash -91061961, now seen corresponding path program 1 times [2021-04-28 22:26:28,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:26:28,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807172699] [2021-04-28 22:26:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:26:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:26:29,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:29,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:29,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:29,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:29,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:29,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 22:26:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:26:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:29,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:26:29,206 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 22:26:29,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807172699] [2021-04-28 22:26:29,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:26:29,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:26:29,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129330345] [2021-04-28 22:26:29,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:26:29,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:26:29,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:26:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:26:29,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 398 [2021-04-28 22:26:29,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 149 transitions, 1199 flow. Second operand has 7 states, 7 states have (on average 259.85714285714283) internal successors, (1819), 7 states have internal predecessors, (1819), 0 states have call successors, (0), 0 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 22:26:29,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:26:29,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 398 [2021-04-28 22:26:29,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:27:01,534 INFO L129 PetriNetUnfolder]: 121356/206701 cut-off events. [2021-04-28 22:27:01,534 INFO L130 PetriNetUnfolder]: For 230193/969447 co-relation queries the response was YES. [2021-04-28 22:27:02,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1129551 conditions, 206701 events. 121356/206701 cut-off events. For 230193/969447 co-relation queries the response was YES. Maximal size of possible extension queue 37527. Compared 2564176 event pairs, 12 based on Foata normal form. 1395/60931 useless extension candidates. Maximal degree in co-relation 1129519. Up to 179794 conditions per place. [2021-04-28 22:27:02,950 INFO L132 encePairwiseOnDemand]: 376/398 looper letters, 49 selfloop transitions, 50 changer transitions 15/164 dead transitions. [2021-04-28 22:27:02,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 164 transitions, 1528 flow [2021-04-28 22:27:02,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:27:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:27:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1907 transitions. [2021-04-28 22:27:02,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6844938980617372 [2021-04-28 22:27:02,957 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1907 transitions. [2021-04-28 22:27:02,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1907 transitions. [2021-04-28 22:27:02,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:27:02,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1907 transitions. [2021-04-28 22:27:02,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 272.42857142857144) internal successors, (1907), 7 states have internal predecessors, (1907), 0 states have call successors, (0), 0 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 22:27:02,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 398.0) internal successors, (3184), 8 states have internal predecessors, (3184), 0 states have call successors, (0), 0 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 22:27:02,970 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 398.0) internal successors, (3184), 8 states have internal predecessors, (3184), 0 states have call successors, (0), 0 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 22:27:02,970 INFO L185 Difference]: Start difference. First operand has 99 places, 149 transitions, 1199 flow. Second operand 7 states and 1907 transitions. [2021-04-28 22:27:02,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 164 transitions, 1528 flow [2021-04-28 22:27:32,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 164 transitions, 1415 flow, removed 26 selfloop flow, removed 3 redundant places. [2021-04-28 22:27:32,816 INFO L241 Difference]: Finished difference. Result has 104 places, 146 transitions, 1223 flow [2021-04-28 22:27:32,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=398, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1223, PETRI_PLACES=104, PETRI_TRANSITIONS=146} [2021-04-28 22:27:32,817 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -50 predicate places. [2021-04-28 22:27:32,817 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:27:32,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 146 transitions, 1223 flow [2021-04-28 22:27:32,818 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 146 transitions, 1223 flow [2021-04-28 22:27:32,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 146 transitions, 1223 flow [2021-04-28 22:27:56,411 INFO L129 PetriNetUnfolder]: 111112/186200 cut-off events. [2021-04-28 22:27:56,411 INFO L130 PetriNetUnfolder]: For 451731/700600 co-relation queries the response was YES. [2021-04-28 22:27:57,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 900491 conditions, 186200 events. 111112/186200 cut-off events. For 451731/700600 co-relation queries the response was YES. Maximal size of possible extension queue 34142. Compared 2299799 event pairs, 10 based on Foata normal form. 0/54185 useless extension candidates. Maximal degree in co-relation 900459. Up to 138511 conditions per place. [2021-04-28 22:27:59,689 INFO L146 LiptonReduction]: Number of co-enabled transitions 5492 [2021-04-28 22:28:00,275 INFO L158 LiptonReduction]: Checked pairs total: 5739 [2021-04-28 22:28:00,275 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:28:00,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27458 [2021-04-28 22:28:00,276 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 146 transitions, 1223 flow [2021-04-28 22:28:00,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 259.85714285714283) internal successors, (1819), 7 states have internal predecessors, (1819), 0 states have call successors, (0), 0 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 22:28:00,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:28:00,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:28:00,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:28:00,278 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 22:28:00,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:28:00,278 INFO L82 PathProgramCache]: Analyzing trace with hash -64693362, now seen corresponding path program 1 times [2021-04-28 22:28:00,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:28:00,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754638818] [2021-04-28 22:28:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:28:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:28:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:28:00,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:28:00,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:28:00,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:28:00,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:28:00,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:28:00,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:28:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:28:00,385 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 22:28:00,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754638818] [2021-04-28 22:28:00,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:28:00,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:28:00,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402298614] [2021-04-28 22:28:00,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:28:00,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:28:00,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:28:00,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:28:00,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 398 [2021-04-28 22:28:00,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 146 transitions, 1223 flow. Second operand has 5 states, 5 states have (on average 232.8) internal successors, (1164), 5 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 22:28:00,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:28:00,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 398 [2021-04-28 22:28:00,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:28:50,443 INFO L129 PetriNetUnfolder]: 203351/334053 cut-off events. [2021-04-28 22:28:50,443 INFO L130 PetriNetUnfolder]: For 660057/962288 co-relation queries the response was YES. [2021-04-28 22:28:52,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1633757 conditions, 334053 events. 203351/334053 cut-off events. For 660057/962288 co-relation queries the response was YES. Maximal size of possible extension queue 57726. Compared 4166191 event pairs, 6 based on Foata normal form. 97/98106 useless extension candidates. Maximal degree in co-relation 1633723. Up to 257743 conditions per place. [2021-04-28 22:28:52,755 INFO L132 encePairwiseOnDemand]: 389/398 looper letters, 21 selfloop transitions, 27 changer transitions 8/172 dead transitions. [2021-04-28 22:28:52,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 172 transitions, 1614 flow [2021-04-28 22:28:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:28:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:28:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1416 transitions. [2021-04-28 22:28:52,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.592964824120603 [2021-04-28 22:28:52,760 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1416 transitions. [2021-04-28 22:28:52,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1416 transitions. [2021-04-28 22:28:52,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:28:52,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1416 transitions. [2021-04-28 22:28:52,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 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 22:28:52,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 22:28:52,771 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 398.0) internal successors, (2786), 7 states have internal predecessors, (2786), 0 states have call successors, (0), 0 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 22:28:52,771 INFO L185 Difference]: Start difference. First operand has 103 places, 146 transitions, 1223 flow. Second operand 6 states and 1416 transitions. [2021-04-28 22:28:52,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 172 transitions, 1614 flow