/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:45:55,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:45:55,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:45:56,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:45:56,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:45:56,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:45:56,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:45:56,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:45:56,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:45:56,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:45:56,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:45:56,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:45:56,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:45:56,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:45:56,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:45:56,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:45:56,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:45:56,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:45:56,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:45:56,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:45:56,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:45:56,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:45:56,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:45:56,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:45:56,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:45:56,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:45:56,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:45:56,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:45:56,070 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-SemanticLbe.epf [2021-03-24 19:45:56,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:45:56,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:45:56,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:45:56,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:45:56,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:45:56,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:45:56,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:45:56,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:45:56,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:45:56,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:45:56,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:45:56,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:45:56,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:45:56,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:45:56,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:45:56,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:45:56,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:45:56,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:45:56,354 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:45:56,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-24 19:45:56,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37b35ba1/d12be81687224fe68017a083da4e2a43/FLAG1885d0c8d [2021-03-24 19:45:56,858 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:45:56,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2021-03-24 19:45:56,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37b35ba1/d12be81687224fe68017a083da4e2a43/FLAG1885d0c8d [2021-03-24 19:45:57,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b37b35ba1/d12be81687224fe68017a083da4e2a43 [2021-03-24 19:45:57,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:45:57,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:45:57,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:45:57,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:45:57,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:45:57,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3406da48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57, skipping insertion in model container [2021-03-24 19:45:57,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:45:57,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:45:57,312 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/rfi002_rmo.opt.i[991,1004] [2021-03-24 19:45:57,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:45:57,478 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:45:57,484 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/rfi002_rmo.opt.i[991,1004] [2021-03-24 19:45:57,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:45:57,551 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:45:57,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57 WrapperNode [2021-03-24 19:45:57,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:45:57,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:45:57,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:45:57,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:45:57,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:45:57,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:45:57,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:45:57,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:45:57,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (1/1) ... [2021-03-24 19:45:57,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:45:57,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:45:57,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:45:57,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:45:57,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (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 [2021-03-24 19:45:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:45:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:45:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:45:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:45:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:45:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:45:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:45:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:45:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:45:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:45:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:45:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:45:57,737 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:45:59,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:45:59,654 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:45:59,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:45:59 BoogieIcfgContainer [2021-03-24 19:45:59,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:45:59,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:45:59,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:45:59,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:45:59,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:45:57" (1/3) ... [2021-03-24 19:45:59,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5302b718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:45:59, skipping insertion in model container [2021-03-24 19:45:59,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:45:57" (2/3) ... [2021-03-24 19:45:59,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5302b718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:45:59, skipping insertion in model container [2021-03-24 19:45:59,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:45:59" (3/3) ... [2021-03-24 19:45:59,660 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.opt.i [2021-03-24 19:45:59,664 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:45:59,667 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:45:59,667 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:45:59,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,699 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,700 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,701 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,702 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,710 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,711 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:45:59,723 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:45:59,734 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 19:45:59,746 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:45:59,746 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:45:59,746 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:45:59,746 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:45:59,746 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:45:59,746 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:45:59,746 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:45:59,746 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:45:59,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 19:45:59,773 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 19:45:59,773 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:45:59,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-24 19:45:59,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-24 19:45:59,777 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-24 19:45:59,778 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:45:59,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 19:45:59,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-24 19:45:59,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-24 19:45:59,799 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-24 19:45:59,799 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:45:59,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-24 19:45:59,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-24 19:46:00,610 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 19:46:01,104 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-03-24 19:46:02,267 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 19:46:02,768 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 19:46:02,978 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:46:03,277 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:46:04,341 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-24 19:46:04,623 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-24 19:46:05,642 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-03-24 19:46:06,164 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-24 19:46:06,785 INFO L154 LiptonReduction]: Checked pairs total: 1858 [2021-03-24 19:46:06,785 INFO L156 LiptonReduction]: Total number of compositions: 57 [2021-03-24 19:46:06,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7008 [2021-03-24 19:46:06,792 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 19:46:06,792 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:46:06,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:06,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:06,793 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:06,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:06,796 INFO L82 PathProgramCache]: Analyzing trace with hash 985276753, now seen corresponding path program 1 times [2021-03-24 19:46:06,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:06,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795068641] [2021-03-24 19:46:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:06,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:06,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:06,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:06,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:06,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795068641] [2021-03-24 19:46:06,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:06,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:46:06,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020763979] [2021-03-24 19:46:06,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:46:06,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:06,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:46:06,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:46:06,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2021-03-24 19:46:06,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2021-03-24 19:46:06,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:06,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2021-03-24 19:46:06,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:07,096 INFO L129 PetriNetUnfolder]: 57/161 cut-off events. [2021-03-24 19:46:07,096 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:46:07,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 161 events. 57/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 699 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 256. Up to 88 conditions per place. [2021-03-24 19:46:07,099 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 12 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-24 19:46:07,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 104 flow [2021-03-24 19:46:07,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:46:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:46:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2021-03-24 19:46:07,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-03-24 19:46:07,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2021-03-24 19:46:07,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2021-03-24 19:46:07,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:07,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2021-03-24 19:46:07,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2021-03-24 19:46:07,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2021-03-24 19:46:07,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2021-03-24 19:46:07,124 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 365 transitions. [2021-03-24 19:46:07,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 104 flow [2021-03-24 19:46:07,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:46:07,127 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-24 19:46:07,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-24 19:46:07,128 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-24 19:46:07,128 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 68 flow [2021-03-24 19:46:07,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2021-03-24 19:46:07,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:07,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:07,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:46:07,129 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash 575567191, now seen corresponding path program 1 times [2021-03-24 19:46:07,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:07,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126939440] [2021-03-24 19:46:07,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:07,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:07,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:07,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:07,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126939440] [2021-03-24 19:46:07,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:07,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:46:07,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193883635] [2021-03-24 19:46:07,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:46:07,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:07,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:46:07,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:46:07,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2021-03-24 19:46:07,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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) [2021-03-24 19:46:07,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:07,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2021-03-24 19:46:07,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:07,252 INFO L129 PetriNetUnfolder]: 2/39 cut-off events. [2021-03-24 19:46:07,252 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:46:07,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 39 events. 2/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 40. Up to 4 conditions per place. [2021-03-24 19:46:07,253 INFO L132 encePairwiseOnDemand]: 137/142 looper letters, 2 selfloop transitions, 2 changer transitions 7/34 dead transitions. [2021-03-24 19:46:07,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 94 flow [2021-03-24 19:46:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:46:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:46:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 596 transitions. [2021-03-24 19:46:07,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8394366197183099 [2021-03-24 19:46:07,255 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 596 transitions. [2021-03-24 19:46:07,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 596 transitions. [2021-03-24 19:46:07,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:07,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 596 transitions. [2021-03-24 19:46:07,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 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) [2021-03-24 19:46:07,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2021-03-24 19:46:07,260 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2021-03-24 19:46:07,260 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 68 flow. Second operand 5 states and 596 transitions. [2021-03-24 19:46:07,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 94 flow [2021-03-24 19:46:07,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:46:07,261 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 70 flow [2021-03-24 19:46:07,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=70, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-03-24 19:46:07,261 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-24 19:46:07,262 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 70 flow [2021-03-24 19:46:07,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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) [2021-03-24 19:46:07,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:07,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:07,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:46:07,262 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:07,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:07,262 INFO L82 PathProgramCache]: Analyzing trace with hash 33604118, now seen corresponding path program 1 times [2021-03-24 19:46:07,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:07,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073526635] [2021-03-24 19:46:07,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:07,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:07,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:07,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:07,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073526635] [2021-03-24 19:46:07,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:07,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:46:07,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148235886] [2021-03-24 19:46:07,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:46:07,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:07,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:46:07,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:46:07,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 142 [2021-03-24 19:46:07,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 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) [2021-03-24 19:46:07,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:07,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 142 [2021-03-24 19:46:07,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:07,364 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-24 19:46:07,364 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 19:46:07,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 32 events. 0/32 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 2/34 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 19:46:07,365 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 2 selfloop transitions, 2 changer transitions 2/29 dead transitions. [2021-03-24 19:46:07,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 88 flow [2021-03-24 19:46:07,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:46:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:46:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 588 transitions. [2021-03-24 19:46:07,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.828169014084507 [2021-03-24 19:46:07,366 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 588 transitions. [2021-03-24 19:46:07,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 588 transitions. [2021-03-24 19:46:07,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:07,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 588 transitions. [2021-03-24 19:46:07,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 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) [2021-03-24 19:46:07,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2021-03-24 19:46:07,369 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 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) [2021-03-24 19:46:07,369 INFO L185 Difference]: Start difference. First operand has 42 places, 27 transitions, 70 flow. Second operand 5 states and 588 transitions. [2021-03-24 19:46:07,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 88 flow [2021-03-24 19:46:07,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 80 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:46:07,370 INFO L241 Difference]: Finished difference. Result has 40 places, 27 transitions, 74 flow [2021-03-24 19:46:07,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2021-03-24 19:46:07,371 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-24 19:46:07,371 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 74 flow [2021-03-24 19:46:07,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 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) [2021-03-24 19:46:07,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:07,371 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] [2021-03-24 19:46:07,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:46:07,371 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:07,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1489108288, now seen corresponding path program 1 times [2021-03-24 19:46:07,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:07,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992552569] [2021-03-24 19:46:07,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:07,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:07,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:07,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:07,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:07,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:07,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:46:07,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:07,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992552569] [2021-03-24 19:46:07,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:07,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:46:07,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153912725] [2021-03-24 19:46:07,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:46:07,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:07,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:46:07,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:46:07,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 142 [2021-03-24 19:46:07,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 74 flow. Second operand has 7 states, 7 states have (on average 95.57142857142857) internal successors, (669), 7 states have internal predecessors, (669), 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) [2021-03-24 19:46:07,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:07,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 142 [2021-03-24 19:46:07,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:07,748 INFO L129 PetriNetUnfolder]: 76/187 cut-off events. [2021-03-24 19:46:07,749 INFO L130 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2021-03-24 19:46:07,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 187 events. 76/187 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 755 event pairs, 12 based on Foata normal form. 8/190 useless extension candidates. Maximal degree in co-relation 383. Up to 103 conditions per place. [2021-03-24 19:46:07,750 INFO L132 encePairwiseOnDemand]: 131/142 looper letters, 15 selfloop transitions, 9 changer transitions 7/44 dead transitions. [2021-03-24 19:46:07,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 175 flow [2021-03-24 19:46:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:46:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:46:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 785 transitions. [2021-03-24 19:46:07,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6910211267605634 [2021-03-24 19:46:07,754 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 785 transitions. [2021-03-24 19:46:07,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 785 transitions. [2021-03-24 19:46:07,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:07,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 785 transitions. [2021-03-24 19:46:07,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 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) [2021-03-24 19:46:07,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 142.0) internal successors, (1278), 9 states have internal predecessors, (1278), 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) [2021-03-24 19:46:07,758 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 142.0) internal successors, (1278), 9 states have internal predecessors, (1278), 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) [2021-03-24 19:46:07,758 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 74 flow. Second operand 8 states and 785 transitions. [2021-03-24 19:46:07,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 175 flow [2021-03-24 19:46:07,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 44 transitions, 167 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:46:07,761 INFO L241 Difference]: Finished difference. Result has 45 places, 33 transitions, 134 flow [2021-03-24 19:46:07,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=134, PETRI_PLACES=45, PETRI_TRANSITIONS=33} [2021-03-24 19:46:07,761 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-24 19:46:07,761 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 33 transitions, 134 flow [2021-03-24 19:46:07,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 95.57142857142857) internal successors, (669), 7 states have internal predecessors, (669), 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) [2021-03-24 19:46:07,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:07,762 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] [2021-03-24 19:46:07,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:46:07,762 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:07,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:07,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1508736328, now seen corresponding path program 2 times [2021-03-24 19:46:07,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:07,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117417972] [2021-03-24 19:46:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:07,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:07,825 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:07,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:07,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 19:46:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:46:07,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:46:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:46:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:46:07,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-03-24 19:46:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 19:46:07,859 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-24 19:46:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:46:07,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-24 19:46:07,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:46:07,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:07,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117417972] [2021-03-24 19:46:07,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:07,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:46:07,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136830490] [2021-03-24 19:46:07,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:46:07,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:07,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:46:07,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:46:07,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 142 [2021-03-24 19:46:07,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 134 flow. Second operand has 11 states, 11 states have (on average 85.0909090909091) internal successors, (936), 11 states have internal predecessors, (936), 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) [2021-03-24 19:46:07,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:07,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 142 [2021-03-24 19:46:07,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:08,235 INFO L129 PetriNetUnfolder]: 212/406 cut-off events. [2021-03-24 19:46:08,235 INFO L130 PetriNetUnfolder]: For 374/376 co-relation queries the response was YES. [2021-03-24 19:46:08,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 406 events. 212/406 cut-off events. For 374/376 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1681 event pairs, 10 based on Foata normal form. 14/420 useless extension candidates. Maximal degree in co-relation 1237. Up to 166 conditions per place. [2021-03-24 19:46:08,238 INFO L132 encePairwiseOnDemand]: 126/142 looper letters, 44 selfloop transitions, 29 changer transitions 16/99 dead transitions. [2021-03-24 19:46:08,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 99 transitions, 596 flow [2021-03-24 19:46:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 19:46:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 19:46:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1429 transitions. [2021-03-24 19:46:08,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6289612676056338 [2021-03-24 19:46:08,241 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1429 transitions. [2021-03-24 19:46:08,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1429 transitions. [2021-03-24 19:46:08,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:08,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1429 transitions. [2021-03-24 19:46:08,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 89.3125) internal successors, (1429), 16 states have internal predecessors, (1429), 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) [2021-03-24 19:46:08,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 142.0) internal successors, (2414), 17 states have internal predecessors, (2414), 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) [2021-03-24 19:46:08,247 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 142.0) internal successors, (2414), 17 states have internal predecessors, (2414), 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) [2021-03-24 19:46:08,247 INFO L185 Difference]: Start difference. First operand has 45 places, 33 transitions, 134 flow. Second operand 16 states and 1429 transitions. [2021-03-24 19:46:08,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 99 transitions, 596 flow [2021-03-24 19:46:08,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 99 transitions, 585 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:46:08,250 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 387 flow [2021-03-24 19:46:08,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=387, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-03-24 19:46:08,250 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places. [2021-03-24 19:46:08,250 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 387 flow [2021-03-24 19:46:08,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 85.0909090909091) internal successors, (936), 11 states have internal predecessors, (936), 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) [2021-03-24 19:46:08,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:08,251 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] [2021-03-24 19:46:08,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:46:08,251 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:08,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:08,251 INFO L82 PathProgramCache]: Analyzing trace with hash 325763275, now seen corresponding path program 1 times [2021-03-24 19:46:08,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:08,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990953337] [2021-03-24 19:46:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:08,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:08,303 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:08,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:08,306 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-24 19:46:08,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 19:46:08,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:08,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:08,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990953337] [2021-03-24 19:46:08,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:08,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:46:08,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723009840] [2021-03-24 19:46:08,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:46:08,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:08,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:46:08,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:46:08,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 142 [2021-03-24 19:46:08,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 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) [2021-03-24 19:46:08,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:08,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 142 [2021-03-24 19:46:08,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:08,499 INFO L129 PetriNetUnfolder]: 270/518 cut-off events. [2021-03-24 19:46:08,499 INFO L130 PetriNetUnfolder]: For 1735/1751 co-relation queries the response was YES. [2021-03-24 19:46:08,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2350 conditions, 518 events. 270/518 cut-off events. For 1735/1751 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2350 event pairs, 32 based on Foata normal form. 12/528 useless extension candidates. Maximal degree in co-relation 2308. Up to 219 conditions per place. [2021-03-24 19:46:08,502 INFO L132 encePairwiseOnDemand]: 131/142 looper letters, 44 selfloop transitions, 16 changer transitions 40/113 dead transitions. [2021-03-24 19:46:08,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 113 transitions, 1005 flow [2021-03-24 19:46:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:46:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:46:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 867 transitions. [2021-03-24 19:46:08,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6784037558685446 [2021-03-24 19:46:08,504 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 867 transitions. [2021-03-24 19:46:08,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 867 transitions. [2021-03-24 19:46:08,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:08,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 867 transitions. [2021-03-24 19:46:08,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.33333333333333) internal successors, (867), 9 states have internal predecessors, (867), 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) [2021-03-24 19:46:08,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 142.0) internal successors, (1420), 10 states have internal predecessors, (1420), 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) [2021-03-24 19:46:08,508 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 142.0) internal successors, (1420), 10 states have internal predecessors, (1420), 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) [2021-03-24 19:46:08,508 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 387 flow. Second operand 9 states and 867 transitions. [2021-03-24 19:46:08,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 113 transitions, 1005 flow [2021-03-24 19:46:08,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 113 transitions, 949 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-24 19:46:08,515 INFO L241 Difference]: Finished difference. Result has 70 places, 61 transitions, 466 flow [2021-03-24 19:46:08,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=466, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2021-03-24 19:46:08,516 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 32 predicate places. [2021-03-24 19:46:08,516 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 466 flow [2021-03-24 19:46:08,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 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) [2021-03-24 19:46:08,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:08,516 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] [2021-03-24 19:46:08,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:46:08,516 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash 798912586, now seen corresponding path program 1 times [2021-03-24 19:46:08,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:08,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83652975] [2021-03-24 19:46:08,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:08,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:08,618 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:08,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:08,620 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 19:46:08,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:08,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 19:46:08,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:08,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:46:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:46:08,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 19:46:08,723 INFO L142 QuantifierPusher]: treesize reduction 34, result has 62.2 percent of original size [2021-03-24 19:46:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 19:46:08,763 INFO L142 QuantifierPusher]: treesize reduction 62, result has 58.9 percent of original size [2021-03-24 19:46:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-24 19:46:08,797 INFO L142 QuantifierPusher]: treesize reduction 49, result has 67.1 percent of original size [2021-03-24 19:46:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 19:46:08,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:46:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 19:46:08,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:08,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:08,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83652975] [2021-03-24 19:46:08,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:08,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 19:46:08,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643603325] [2021-03-24 19:46:08,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 19:46:08,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:08,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 19:46:08,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-24 19:46:08,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 142 [2021-03-24 19:46:08,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 466 flow. Second operand has 14 states, 14 states have (on average 81.92857142857143) internal successors, (1147), 14 states have internal predecessors, (1147), 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) [2021-03-24 19:46:08,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:08,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 142 [2021-03-24 19:46:08,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:09,346 INFO L129 PetriNetUnfolder]: 171/354 cut-off events. [2021-03-24 19:46:09,346 INFO L130 PetriNetUnfolder]: For 1407/1416 co-relation queries the response was YES. [2021-03-24 19:46:09,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 354 events. 171/354 cut-off events. For 1407/1416 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1498 event pairs, 5 based on Foata normal form. 11/365 useless extension candidates. Maximal degree in co-relation 1690. Up to 139 conditions per place. [2021-03-24 19:46:09,349 INFO L132 encePairwiseOnDemand]: 128/142 looper letters, 57 selfloop transitions, 26 changer transitions 12/105 dead transitions. [2021-03-24 19:46:09,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 105 transitions, 1003 flow [2021-03-24 19:46:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 19:46:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 19:46:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1286 transitions. [2021-03-24 19:46:09,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.603755868544601 [2021-03-24 19:46:09,352 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1286 transitions. [2021-03-24 19:46:09,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1286 transitions. [2021-03-24 19:46:09,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:09,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1286 transitions. [2021-03-24 19:46:09,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 85.73333333333333) internal successors, (1286), 15 states have internal predecessors, (1286), 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) [2021-03-24 19:46:09,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 142.0) internal successors, (2272), 16 states have internal predecessors, (2272), 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) [2021-03-24 19:46:09,357 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 142.0) internal successors, (2272), 16 states have internal predecessors, (2272), 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) [2021-03-24 19:46:09,357 INFO L185 Difference]: Start difference. First operand has 70 places, 61 transitions, 466 flow. Second operand 15 states and 1286 transitions. [2021-03-24 19:46:09,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 105 transitions, 1003 flow [2021-03-24 19:46:09,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 105 transitions, 937 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-03-24 19:46:09,364 INFO L241 Difference]: Finished difference. Result has 81 places, 70 transitions, 618 flow [2021-03-24 19:46:09,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=618, PETRI_PLACES=81, PETRI_TRANSITIONS=70} [2021-03-24 19:46:09,365 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 43 predicate places. [2021-03-24 19:46:09,365 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 70 transitions, 618 flow [2021-03-24 19:46:09,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 81.92857142857143) internal successors, (1147), 14 states have internal predecessors, (1147), 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) [2021-03-24 19:46:09,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:09,366 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] [2021-03-24 19:46:09,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:46:09,366 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:09,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:09,367 INFO L82 PathProgramCache]: Analyzing trace with hash 824464615, now seen corresponding path program 2 times [2021-03-24 19:46:09,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:09,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268558597] [2021-03-24 19:46:09,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:09,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:09,426 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 19:46:09,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:09,432 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 19:46:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:09,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:46:09,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:09,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268558597] [2021-03-24 19:46:09,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:09,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:46:09,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866066620] [2021-03-24 19:46:09,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:46:09,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:09,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:46:09,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:46:09,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 142 [2021-03-24 19:46:09,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 70 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2021-03-24 19:46:09,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:09,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 142 [2021-03-24 19:46:09,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:09,586 INFO L129 PetriNetUnfolder]: 75/208 cut-off events. [2021-03-24 19:46:09,586 INFO L130 PetriNetUnfolder]: For 1109/1125 co-relation queries the response was YES. [2021-03-24 19:46:09,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 208 events. 75/208 cut-off events. For 1109/1125 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 954 event pairs, 4 based on Foata normal form. 8/215 useless extension candidates. Maximal degree in co-relation 1086. Up to 105 conditions per place. [2021-03-24 19:46:09,588 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 39 selfloop transitions, 20 changer transitions 5/84 dead transitions. [2021-03-24 19:46:09,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 84 transitions, 873 flow [2021-03-24 19:46:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:46:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:46:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 684 transitions. [2021-03-24 19:46:09,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6881287726358148 [2021-03-24 19:46:09,590 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 684 transitions. [2021-03-24 19:46:09,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 684 transitions. [2021-03-24 19:46:09,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:09,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 684 transitions. [2021-03-24 19:46:09,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 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) [2021-03-24 19:46:09,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:09,593 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:09,593 INFO L185 Difference]: Start difference. First operand has 81 places, 70 transitions, 618 flow. Second operand 7 states and 684 transitions. [2021-03-24 19:46:09,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 84 transitions, 873 flow [2021-03-24 19:46:09,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 84 transitions, 823 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-24 19:46:09,598 INFO L241 Difference]: Finished difference. Result has 78 places, 75 transitions, 693 flow [2021-03-24 19:46:09,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=693, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2021-03-24 19:46:09,598 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 40 predicate places. [2021-03-24 19:46:09,598 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 693 flow [2021-03-24 19:46:09,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2021-03-24 19:46:09,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:09,599 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] [2021-03-24 19:46:09,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:46:09,599 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:09,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:09,599 INFO L82 PathProgramCache]: Analyzing trace with hash 845284470, now seen corresponding path program 2 times [2021-03-24 19:46:09,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:09,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606988495] [2021-03-24 19:46:09,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:09,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:09,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:09,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:09,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:09,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:09,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:46:09,687 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-24 19:46:09,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:46:09,697 INFO L142 QuantifierPusher]: treesize reduction 16, result has 55.6 percent of original size [2021-03-24 19:46:09,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 19:46:09,712 INFO L142 QuantifierPusher]: treesize reduction 26, result has 64.9 percent of original size [2021-03-24 19:46:09,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 19:46:09,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:46:09,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:09,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:09,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606988495] [2021-03-24 19:46:09,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:09,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:46:09,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117187497] [2021-03-24 19:46:09,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:46:09,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:09,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:46:09,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:46:09,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 142 [2021-03-24 19:46:09,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 693 flow. Second operand has 11 states, 11 states have (on average 93.0909090909091) internal successors, (1024), 11 states have internal predecessors, (1024), 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) [2021-03-24 19:46:09,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:09,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 142 [2021-03-24 19:46:09,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:09,992 INFO L129 PetriNetUnfolder]: 77/212 cut-off events. [2021-03-24 19:46:09,993 INFO L130 PetriNetUnfolder]: For 1382/1408 co-relation queries the response was YES. [2021-03-24 19:46:09,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 212 events. 77/212 cut-off events. For 1382/1408 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 971 event pairs, 2 based on Foata normal form. 20/231 useless extension candidates. Maximal degree in co-relation 1160. Up to 105 conditions per place. [2021-03-24 19:46:09,994 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 45 selfloop transitions, 18 changer transitions 3/86 dead transitions. [2021-03-24 19:46:09,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 86 transitions, 952 flow [2021-03-24 19:46:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:46:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:46:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 954 transitions. [2021-03-24 19:46:09,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.671830985915493 [2021-03-24 19:46:09,997 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 954 transitions. [2021-03-24 19:46:09,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 954 transitions. [2021-03-24 19:46:09,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:09,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 954 transitions. [2021-03-24 19:46:09,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 95.4) internal successors, (954), 10 states have internal predecessors, (954), 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) [2021-03-24 19:46:10,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:10,001 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:10,001 INFO L185 Difference]: Start difference. First operand has 78 places, 75 transitions, 693 flow. Second operand 10 states and 954 transitions. [2021-03-24 19:46:10,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 86 transitions, 952 flow [2021-03-24 19:46:10,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 86 transitions, 884 flow, removed 19 selfloop flow, removed 5 redundant places. [2021-03-24 19:46:10,007 INFO L241 Difference]: Finished difference. Result has 83 places, 77 transitions, 722 flow [2021-03-24 19:46:10,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=722, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2021-03-24 19:46:10,007 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 45 predicate places. [2021-03-24 19:46:10,007 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 722 flow [2021-03-24 19:46:10,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 93.0909090909091) internal successors, (1024), 11 states have internal predecessors, (1024), 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) [2021-03-24 19:46:10,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:10,007 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] [2021-03-24 19:46:10,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:46:10,008 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1619407840, now seen corresponding path program 3 times [2021-03-24 19:46:10,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:10,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968617573] [2021-03-24 19:46:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:10,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:10,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:10,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:10,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:46:10,118 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-24 19:46:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 19:46:10,125 INFO L142 QuantifierPusher]: treesize reduction 22, result has 78.4 percent of original size [2021-03-24 19:46:10,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-24 19:46:10,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:46:10,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:10,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968617573] [2021-03-24 19:46:10,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:10,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:46:10,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077161864] [2021-03-24 19:46:10,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:46:10,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:10,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:46:10,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:46:10,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 142 [2021-03-24 19:46:10,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 722 flow. Second operand has 8 states, 8 states have (on average 91.625) internal successors, (733), 8 states have internal predecessors, (733), 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) [2021-03-24 19:46:10,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:10,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 142 [2021-03-24 19:46:10,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:10,402 INFO L129 PetriNetUnfolder]: 79/228 cut-off events. [2021-03-24 19:46:10,402 INFO L130 PetriNetUnfolder]: For 1478/1492 co-relation queries the response was YES. [2021-03-24 19:46:10,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1277 conditions, 228 events. 79/228 cut-off events. For 1478/1492 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1117 event pairs, 3 based on Foata normal form. 9/236 useless extension candidates. Maximal degree in co-relation 1227. Up to 92 conditions per place. [2021-03-24 19:46:10,404 INFO L132 encePairwiseOnDemand]: 133/142 looper letters, 37 selfloop transitions, 22 changer transitions 10/87 dead transitions. [2021-03-24 19:46:10,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 87 transitions, 964 flow [2021-03-24 19:46:10,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:46:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:46:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 752 transitions. [2021-03-24 19:46:10,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6619718309859155 [2021-03-24 19:46:10,406 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 752 transitions. [2021-03-24 19:46:10,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 752 transitions. [2021-03-24 19:46:10,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:10,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 752 transitions. [2021-03-24 19:46:10,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.0) internal successors, (752), 8 states have internal predecessors, (752), 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) [2021-03-24 19:46:10,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 142.0) internal successors, (1278), 9 states have internal predecessors, (1278), 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) [2021-03-24 19:46:10,409 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 142.0) internal successors, (1278), 9 states have internal predecessors, (1278), 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) [2021-03-24 19:46:10,409 INFO L185 Difference]: Start difference. First operand has 83 places, 77 transitions, 722 flow. Second operand 8 states and 752 transitions. [2021-03-24 19:46:10,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 87 transitions, 964 flow [2021-03-24 19:46:10,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 87 transitions, 911 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-03-24 19:46:10,415 INFO L241 Difference]: Finished difference. Result has 84 places, 73 transitions, 736 flow [2021-03-24 19:46:10,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=736, PETRI_PLACES=84, PETRI_TRANSITIONS=73} [2021-03-24 19:46:10,415 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 46 predicate places. [2021-03-24 19:46:10,416 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 736 flow [2021-03-24 19:46:10,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 91.625) internal successors, (733), 8 states have internal predecessors, (733), 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) [2021-03-24 19:46:10,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:10,416 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:10,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:46:10,416 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash -640064815, now seen corresponding path program 1 times [2021-03-24 19:46:10,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:10,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964581959] [2021-03-24 19:46:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:10,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:10,490 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:10,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:10,492 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 19:46:10,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:10,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 19:46:10,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:10,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-24 19:46:10,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:46:10,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-24 19:46:10,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:46:10,520 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.8 percent of original size [2021-03-24 19:46:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 19:46:10,533 INFO L142 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size [2021-03-24 19:46:10,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:46:10,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size [2021-03-24 19:46:10,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 19:46:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:46:10,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:10,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964581959] [2021-03-24 19:46:10,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:10,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 19:46:10,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347419255] [2021-03-24 19:46:10,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 19:46:10,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:10,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 19:46:10,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-24 19:46:10,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 142 [2021-03-24 19:46:10,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 736 flow. Second operand has 12 states, 12 states have (on average 76.33333333333333) internal successors, (916), 12 states have internal predecessors, (916), 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) [2021-03-24 19:46:10,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:10,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 142 [2021-03-24 19:46:10,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:10,871 INFO L129 PetriNetUnfolder]: 201/423 cut-off events. [2021-03-24 19:46:10,871 INFO L130 PetriNetUnfolder]: For 3481/3492 co-relation queries the response was YES. [2021-03-24 19:46:10,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 423 events. 201/423 cut-off events. For 3481/3492 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1933 event pairs, 6 based on Foata normal form. 9/430 useless extension candidates. Maximal degree in co-relation 2285. Up to 183 conditions per place. [2021-03-24 19:46:10,874 INFO L132 encePairwiseOnDemand]: 127/142 looper letters, 63 selfloop transitions, 21 changer transitions 25/117 dead transitions. [2021-03-24 19:46:10,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 117 transitions, 1374 flow [2021-03-24 19:46:10,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 19:46:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 19:46:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1118 transitions. [2021-03-24 19:46:10,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.562374245472837 [2021-03-24 19:46:10,876 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1118 transitions. [2021-03-24 19:46:10,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1118 transitions. [2021-03-24 19:46:10,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:10,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1118 transitions. [2021-03-24 19:46:10,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 79.85714285714286) internal successors, (1118), 14 states have internal predecessors, (1118), 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) [2021-03-24 19:46:10,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 142.0) internal successors, (2130), 15 states have internal predecessors, (2130), 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) [2021-03-24 19:46:10,881 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 142.0) internal successors, (2130), 15 states have internal predecessors, (2130), 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) [2021-03-24 19:46:10,881 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 736 flow. Second operand 14 states and 1118 transitions. [2021-03-24 19:46:10,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 117 transitions, 1374 flow [2021-03-24 19:46:10,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 117 transitions, 1315 flow, removed 19 selfloop flow, removed 7 redundant places. [2021-03-24 19:46:10,889 INFO L241 Difference]: Finished difference. Result has 94 places, 77 transitions, 817 flow [2021-03-24 19:46:10,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=817, PETRI_PLACES=94, PETRI_TRANSITIONS=77} [2021-03-24 19:46:10,889 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 56 predicate places. [2021-03-24 19:46:10,889 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 77 transitions, 817 flow [2021-03-24 19:46:10,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 76.33333333333333) internal successors, (916), 12 states have internal predecessors, (916), 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) [2021-03-24 19:46:10,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:10,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:10,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:46:10,890 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:10,890 INFO L82 PathProgramCache]: Analyzing trace with hash 540994873, now seen corresponding path program 2 times [2021-03-24 19:46:10,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:10,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56842496] [2021-03-24 19:46:10,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:10,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:10,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:10,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:10,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:11,001 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-24 19:46:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 19:46:11,025 INFO L142 QuantifierPusher]: treesize reduction 182, result has 49.2 percent of original size [2021-03-24 19:46:11,027 INFO L147 QuantifierPusher]: treesize reduction 80, result has 54.5 percent of original size 96 [2021-03-24 19:46:11,071 INFO L142 QuantifierPusher]: treesize reduction 344, result has 26.3 percent of original size [2021-03-24 19:46:11,073 INFO L147 QuantifierPusher]: treesize reduction 40, result has 67.5 percent of original size 83 [2021-03-24 19:46:11,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:11,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56842496] [2021-03-24 19:46:11,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:11,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:46:11,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779911510] [2021-03-24 19:46:11,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:46:11,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:11,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:46:11,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:46:11,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 142 [2021-03-24 19:46:11,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 77 transitions, 817 flow. Second operand has 9 states, 9 states have (on average 89.66666666666667) internal successors, (807), 9 states have internal predecessors, (807), 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) [2021-03-24 19:46:11,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:11,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 142 [2021-03-24 19:46:11,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:11,364 INFO L129 PetriNetUnfolder]: 82/248 cut-off events. [2021-03-24 19:46:11,364 INFO L130 PetriNetUnfolder]: For 2235/2271 co-relation queries the response was YES. [2021-03-24 19:46:11,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 248 events. 82/248 cut-off events. For 2235/2271 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1324 event pairs, 2 based on Foata normal form. 8/255 useless extension candidates. Maximal degree in co-relation 1467. Up to 115 conditions per place. [2021-03-24 19:46:11,366 INFO L132 encePairwiseOnDemand]: 128/142 looper letters, 42 selfloop transitions, 28 changer transitions 12/99 dead transitions. [2021-03-24 19:46:11,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 99 transitions, 1243 flow [2021-03-24 19:46:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:46:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:46:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 827 transitions. [2021-03-24 19:46:11,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6471048513302035 [2021-03-24 19:46:11,369 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 827 transitions. [2021-03-24 19:46:11,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 827 transitions. [2021-03-24 19:46:11,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:11,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 827 transitions. [2021-03-24 19:46:11,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 91.88888888888889) internal successors, (827), 9 states have internal predecessors, (827), 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) [2021-03-24 19:46:11,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 142.0) internal successors, (1420), 10 states have internal predecessors, (1420), 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) [2021-03-24 19:46:11,374 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 142.0) internal successors, (1420), 10 states have internal predecessors, (1420), 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) [2021-03-24 19:46:11,374 INFO L185 Difference]: Start difference. First operand has 94 places, 77 transitions, 817 flow. Second operand 9 states and 827 transitions. [2021-03-24 19:46:11,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 99 transitions, 1243 flow [2021-03-24 19:46:11,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 99 transitions, 1155 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-03-24 19:46:11,380 INFO L241 Difference]: Finished difference. Result has 90 places, 85 transitions, 934 flow [2021-03-24 19:46:11,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=934, PETRI_PLACES=90, PETRI_TRANSITIONS=85} [2021-03-24 19:46:11,380 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 52 predicate places. [2021-03-24 19:46:11,380 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 85 transitions, 934 flow [2021-03-24 19:46:11,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 89.66666666666667) internal successors, (807), 9 states have internal predecessors, (807), 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) [2021-03-24 19:46:11,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:11,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:11,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:46:11,381 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:11,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:11,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1487797149, now seen corresponding path program 3 times [2021-03-24 19:46:11,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:11,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381160718] [2021-03-24 19:46:11,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:11,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:11,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:11,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:11,484 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size [2021-03-24 19:46:11,485 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.4 percent of original size 37 [2021-03-24 19:46:11,507 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-24 19:46:11,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:46:11,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:11,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:11,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381160718] [2021-03-24 19:46:11,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:11,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:46:11,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812859440] [2021-03-24 19:46:11,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:46:11,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:11,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:46:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:46:11,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 142 [2021-03-24 19:46:11,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 85 transitions, 934 flow. Second operand has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 11 states have internal predecessors, (972), 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) [2021-03-24 19:46:11,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:11,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 142 [2021-03-24 19:46:11,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:11,829 INFO L129 PetriNetUnfolder]: 94/320 cut-off events. [2021-03-24 19:46:11,829 INFO L130 PetriNetUnfolder]: For 2992/3015 co-relation queries the response was YES. [2021-03-24 19:46:11,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1968 conditions, 320 events. 94/320 cut-off events. For 2992/3015 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1976 event pairs, 0 based on Foata normal form. 10/330 useless extension candidates. Maximal degree in co-relation 1913. Up to 106 conditions per place. [2021-03-24 19:46:11,831 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 48 selfloop transitions, 11 changer transitions 65/138 dead transitions. [2021-03-24 19:46:11,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 138 transitions, 1843 flow [2021-03-24 19:46:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:46:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:46:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1006 transitions. [2021-03-24 19:46:11,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6440460947503202 [2021-03-24 19:46:11,833 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1006 transitions. [2021-03-24 19:46:11,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1006 transitions. [2021-03-24 19:46:11,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:11,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1006 transitions. [2021-03-24 19:46:11,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 91.45454545454545) internal successors, (1006), 11 states have internal predecessors, (1006), 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) [2021-03-24 19:46:11,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 142.0) internal successors, (1704), 12 states have internal predecessors, (1704), 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) [2021-03-24 19:46:11,837 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 142.0) internal successors, (1704), 12 states have internal predecessors, (1704), 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) [2021-03-24 19:46:11,837 INFO L185 Difference]: Start difference. First operand has 90 places, 85 transitions, 934 flow. Second operand 11 states and 1006 transitions. [2021-03-24 19:46:11,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 138 transitions, 1843 flow [2021-03-24 19:46:11,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 138 transitions, 1788 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-24 19:46:11,847 INFO L241 Difference]: Finished difference. Result has 99 places, 71 transitions, 786 flow [2021-03-24 19:46:11,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=786, PETRI_PLACES=99, PETRI_TRANSITIONS=71} [2021-03-24 19:46:11,847 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 61 predicate places. [2021-03-24 19:46:11,847 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 71 transitions, 786 flow [2021-03-24 19:46:11,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 11 states have internal predecessors, (972), 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) [2021-03-24 19:46:11,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:11,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:11,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 19:46:11,848 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:11,848 INFO L82 PathProgramCache]: Analyzing trace with hash 159417483, now seen corresponding path program 4 times [2021-03-24 19:46:11,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:11,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041641102] [2021-03-24 19:46:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:11,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:11,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:11,922 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 19:46:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:11,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 19:46:11,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:11,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:11,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:11,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:11,952 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-24 19:46:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:46:11,964 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-24 19:46:11,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:46:11,972 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-24 19:46:11,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:11,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:11,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:11,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041641102] [2021-03-24 19:46:11,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:11,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 19:46:11,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469787446] [2021-03-24 19:46:11,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 19:46:11,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:11,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 19:46:11,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-24 19:46:11,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 142 [2021-03-24 19:46:11,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 71 transitions, 786 flow. Second operand has 12 states, 12 states have (on average 79.33333333333333) internal successors, (952), 12 states have internal predecessors, (952), 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) [2021-03-24 19:46:11,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:11,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 142 [2021-03-24 19:46:11,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:12,260 INFO L129 PetriNetUnfolder]: 140/337 cut-off events. [2021-03-24 19:46:12,260 INFO L130 PetriNetUnfolder]: For 3855/3864 co-relation queries the response was YES. [2021-03-24 19:46:12,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2071 conditions, 337 events. 140/337 cut-off events. For 3855/3864 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1544 event pairs, 7 based on Foata normal form. 11/347 useless extension candidates. Maximal degree in co-relation 2034. Up to 135 conditions per place. [2021-03-24 19:46:12,262 INFO L132 encePairwiseOnDemand]: 131/142 looper letters, 54 selfloop transitions, 17 changer transitions 38/117 dead transitions. [2021-03-24 19:46:12,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 117 transitions, 1546 flow [2021-03-24 19:46:12,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 19:46:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 19:46:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1153 transitions. [2021-03-24 19:46:12,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.579979879275654 [2021-03-24 19:46:12,265 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1153 transitions. [2021-03-24 19:46:12,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1153 transitions. [2021-03-24 19:46:12,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:12,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1153 transitions. [2021-03-24 19:46:12,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.35714285714286) internal successors, (1153), 14 states have internal predecessors, (1153), 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) [2021-03-24 19:46:12,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 142.0) internal successors, (2130), 15 states have internal predecessors, (2130), 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) [2021-03-24 19:46:12,279 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 142.0) internal successors, (2130), 15 states have internal predecessors, (2130), 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) [2021-03-24 19:46:12,279 INFO L185 Difference]: Start difference. First operand has 99 places, 71 transitions, 786 flow. Second operand 14 states and 1153 transitions. [2021-03-24 19:46:12,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 117 transitions, 1546 flow [2021-03-24 19:46:12,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 117 transitions, 1427 flow, removed 38 selfloop flow, removed 11 redundant places. [2021-03-24 19:46:12,288 INFO L241 Difference]: Finished difference. Result has 99 places, 68 transitions, 715 flow [2021-03-24 19:46:12,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=715, PETRI_PLACES=99, PETRI_TRANSITIONS=68} [2021-03-24 19:46:12,289 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 61 predicate places. [2021-03-24 19:46:12,289 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 68 transitions, 715 flow [2021-03-24 19:46:12,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 79.33333333333333) internal successors, (952), 12 states have internal predecessors, (952), 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) [2021-03-24 19:46:12,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:12,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:12,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 19:46:12,290 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:12,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:12,290 INFO L82 PathProgramCache]: Analyzing trace with hash 519062595, now seen corresponding path program 5 times [2021-03-24 19:46:12,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:12,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951433583] [2021-03-24 19:46:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:12,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:12,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:12,355 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 19:46:12,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:46:12,364 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-24 19:46:12,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 19:46:12,378 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-24 19:46:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 19:46:12,379 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-03-24 19:46:12,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 19:46:12,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 19:46:12,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 19:46:12,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:12,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951433583] [2021-03-24 19:46:12,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:12,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:46:12,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239842998] [2021-03-24 19:46:12,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:46:12,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:46:12,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:46:12,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 142 [2021-03-24 19:46:12,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 68 transitions, 715 flow. Second operand has 10 states, 10 states have (on average 86.5) internal successors, (865), 10 states have internal predecessors, (865), 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) [2021-03-24 19:46:12,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:12,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 142 [2021-03-24 19:46:12,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:12,709 INFO L129 PetriNetUnfolder]: 42/167 cut-off events. [2021-03-24 19:46:12,709 INFO L130 PetriNetUnfolder]: For 1367/1388 co-relation queries the response was YES. [2021-03-24 19:46:12,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 167 events. 42/167 cut-off events. For 1367/1388 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 779 event pairs, 0 based on Foata normal form. 6/173 useless extension candidates. Maximal degree in co-relation 1000. Up to 59 conditions per place. [2021-03-24 19:46:12,711 INFO L132 encePairwiseOnDemand]: 131/142 looper letters, 26 selfloop transitions, 37 changer transitions 3/80 dead transitions. [2021-03-24 19:46:12,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 80 transitions, 1007 flow [2021-03-24 19:46:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:46:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:46:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 888 transitions. [2021-03-24 19:46:12,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6253521126760564 [2021-03-24 19:46:12,712 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 888 transitions. [2021-03-24 19:46:12,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 888 transitions. [2021-03-24 19:46:12,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:12,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 888 transitions. [2021-03-24 19:46:12,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.8) internal successors, (888), 10 states have internal predecessors, (888), 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) [2021-03-24 19:46:12,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:12,715 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:12,715 INFO L185 Difference]: Start difference. First operand has 99 places, 68 transitions, 715 flow. Second operand 10 states and 888 transitions. [2021-03-24 19:46:12,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 80 transitions, 1007 flow [2021-03-24 19:46:12,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 80 transitions, 984 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-24 19:46:12,722 INFO L241 Difference]: Finished difference. Result has 95 places, 73 transitions, 860 flow [2021-03-24 19:46:12,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=860, PETRI_PLACES=95, PETRI_TRANSITIONS=73} [2021-03-24 19:46:12,722 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 57 predicate places. [2021-03-24 19:46:12,723 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 73 transitions, 860 flow [2021-03-24 19:46:12,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 86.5) internal successors, (865), 10 states have internal predecessors, (865), 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) [2021-03-24 19:46:12,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:12,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:12,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 19:46:12,723 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1148154719, now seen corresponding path program 6 times [2021-03-24 19:46:12,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:12,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599471955] [2021-03-24 19:46:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:12,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:12,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:12,780 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 19:46:12,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:46:12,812 INFO L142 QuantifierPusher]: treesize reduction 12, result has 60.0 percent of original size [2021-03-24 19:46:12,813 INFO L147 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size 10 [2021-03-24 19:46:12,828 INFO L142 QuantifierPusher]: treesize reduction 12, result has 60.0 percent of original size [2021-03-24 19:46:12,829 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-03-24 19:46:12,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-24 19:46:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:12,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:12,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599471955] [2021-03-24 19:46:12,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:12,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:46:12,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352988154] [2021-03-24 19:46:12,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:46:12,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:12,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:46:12,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:46:12,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 142 [2021-03-24 19:46:12,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 73 transitions, 860 flow. Second operand has 8 states, 8 states have (on average 94.625) internal successors, (757), 8 states have internal predecessors, (757), 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) [2021-03-24 19:46:12,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:12,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 142 [2021-03-24 19:46:12,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:12,992 INFO L129 PetriNetUnfolder]: 42/176 cut-off events. [2021-03-24 19:46:12,992 INFO L130 PetriNetUnfolder]: For 1602/1623 co-relation queries the response was YES. [2021-03-24 19:46:12,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 176 events. 42/176 cut-off events. For 1602/1623 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 869 event pairs, 0 based on Foata normal form. 6/182 useless extension candidates. Maximal degree in co-relation 1129. Up to 84 conditions per place. [2021-03-24 19:46:12,993 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 35 selfloop transitions, 12 changer transitions 18/81 dead transitions. [2021-03-24 19:46:12,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 81 transitions, 1117 flow [2021-03-24 19:46:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:46:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:46:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 682 transitions. [2021-03-24 19:46:12,995 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6861167002012073 [2021-03-24 19:46:12,995 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 682 transitions. [2021-03-24 19:46:12,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 682 transitions. [2021-03-24 19:46:12,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:12,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 682 transitions. [2021-03-24 19:46:12,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 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) [2021-03-24 19:46:12,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:12,998 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:12,998 INFO L185 Difference]: Start difference. First operand has 95 places, 73 transitions, 860 flow. Second operand 7 states and 682 transitions. [2021-03-24 19:46:12,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 81 transitions, 1117 flow [2021-03-24 19:46:13,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 81 transitions, 1050 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-24 19:46:13,004 INFO L241 Difference]: Finished difference. Result has 94 places, 63 transitions, 659 flow [2021-03-24 19:46:13,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=659, PETRI_PLACES=94, PETRI_TRANSITIONS=63} [2021-03-24 19:46:13,004 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 56 predicate places. [2021-03-24 19:46:13,004 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 63 transitions, 659 flow [2021-03-24 19:46:13,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 94.625) internal successors, (757), 8 states have internal predecessors, (757), 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) [2021-03-24 19:46:13,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:13,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:13,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 19:46:13,005 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 864916281, now seen corresponding path program 7 times [2021-03-24 19:46:13,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:13,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033519414] [2021-03-24 19:46:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:13,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:13,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:13,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:13,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:46:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 19:46:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 19:46:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 19:46:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:46:13,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:46:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:13,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033519414] [2021-03-24 19:46:13,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:13,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:46:13,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477386857] [2021-03-24 19:46:13,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:46:13,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:13,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:46:13,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:46:13,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 142 [2021-03-24 19:46:13,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 63 transitions, 659 flow. Second operand has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 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) [2021-03-24 19:46:13,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:13,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 142 [2021-03-24 19:46:13,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:13,383 INFO L129 PetriNetUnfolder]: 29/129 cut-off events. [2021-03-24 19:46:13,383 INFO L130 PetriNetUnfolder]: For 1151/1172 co-relation queries the response was YES. [2021-03-24 19:46:13,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 129 events. 29/129 cut-off events. For 1151/1172 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 537 event pairs, 0 based on Foata normal form. 7/136 useless extension candidates. Maximal degree in co-relation 796. Up to 36 conditions per place. [2021-03-24 19:46:13,385 INFO L132 encePairwiseOnDemand]: 131/142 looper letters, 30 selfloop transitions, 13 changer transitions 16/73 dead transitions. [2021-03-24 19:46:13,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 73 transitions, 921 flow [2021-03-24 19:46:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:46:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:46:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 887 transitions. [2021-03-24 19:46:13,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6246478873239436 [2021-03-24 19:46:13,386 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 887 transitions. [2021-03-24 19:46:13,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 887 transitions. [2021-03-24 19:46:13,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:13,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 887 transitions. [2021-03-24 19:46:13,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.7) internal successors, (887), 10 states have internal predecessors, (887), 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) [2021-03-24 19:46:13,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:13,388 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:13,388 INFO L185 Difference]: Start difference. First operand has 94 places, 63 transitions, 659 flow. Second operand 10 states and 887 transitions. [2021-03-24 19:46:13,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 73 transitions, 921 flow [2021-03-24 19:46:13,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 73 transitions, 821 flow, removed 14 selfloop flow, removed 11 redundant places. [2021-03-24 19:46:13,393 INFO L241 Difference]: Finished difference. Result has 91 places, 53 transitions, 474 flow [2021-03-24 19:46:13,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=474, PETRI_PLACES=91, PETRI_TRANSITIONS=53} [2021-03-24 19:46:13,393 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places. [2021-03-24 19:46:13,393 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 53 transitions, 474 flow [2021-03-24 19:46:13,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 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) [2021-03-24 19:46:13,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:13,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:13,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 19:46:13,394 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:13,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1830584093, now seen corresponding path program 1 times [2021-03-24 19:46:13,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:13,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631863070] [2021-03-24 19:46:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:13,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:13,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 19:46:13,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:13,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-03-24 19:46:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 19:46:13,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:13,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:13,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631863070] [2021-03-24 19:46:13,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:13,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:46:13,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221678029] [2021-03-24 19:46:13,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:46:13,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:13,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:46:13,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:46:13,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 142 [2021-03-24 19:46:13,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 53 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 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) [2021-03-24 19:46:13,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:13,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 142 [2021-03-24 19:46:13,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:13,557 INFO L129 PetriNetUnfolder]: 20/105 cut-off events. [2021-03-24 19:46:13,557 INFO L130 PetriNetUnfolder]: For 720/746 co-relation queries the response was YES. [2021-03-24 19:46:13,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 105 events. 20/105 cut-off events. For 720/746 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 396 event pairs, 0 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 585. Up to 30 conditions per place. [2021-03-24 19:46:13,557 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 14 selfloop transitions, 7 changer transitions 31/67 dead transitions. [2021-03-24 19:46:13,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 67 transitions, 779 flow [2021-03-24 19:46:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:46:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:46:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 696 transitions. [2021-03-24 19:46:13,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7002012072434608 [2021-03-24 19:46:13,559 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 696 transitions. [2021-03-24 19:46:13,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 696 transitions. [2021-03-24 19:46:13,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:13,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 696 transitions. [2021-03-24 19:46:13,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.42857142857143) internal successors, (696), 7 states have internal predecessors, (696), 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) [2021-03-24 19:46:13,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:13,561 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 142.0) internal successors, (1136), 8 states have internal predecessors, (1136), 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) [2021-03-24 19:46:13,561 INFO L185 Difference]: Start difference. First operand has 91 places, 53 transitions, 474 flow. Second operand 7 states and 696 transitions. [2021-03-24 19:46:13,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 67 transitions, 779 flow [2021-03-24 19:46:13,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 67 transitions, 681 flow, removed 11 selfloop flow, removed 13 redundant places. [2021-03-24 19:46:13,564 INFO L241 Difference]: Finished difference. Result has 86 places, 36 transitions, 295 flow [2021-03-24 19:46:13,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=295, PETRI_PLACES=86, PETRI_TRANSITIONS=36} [2021-03-24 19:46:13,564 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 48 predicate places. [2021-03-24 19:46:13,564 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 36 transitions, 295 flow [2021-03-24 19:46:13,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 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) [2021-03-24 19:46:13,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:46:13,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:46:13,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 19:46:13,565 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:46:13,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:46:13,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1532922521, now seen corresponding path program 2 times [2021-03-24 19:46:13,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:46:13,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044352834] [2021-03-24 19:46:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:46:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:46:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:46:13,607 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-24 19:46:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:46:13,609 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-24 19:46:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:46:13,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-24 19:46:13,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:46:13,619 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-24 19:46:13,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:46:13,628 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-24 19:46:13,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:46:13,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 19:46:13,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:46:13,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-03-24 19:46:13,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:46:13,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:46:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:46:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:46:13,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044352834] [2021-03-24 19:46:13,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:46:13,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:46:13,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957721657] [2021-03-24 19:46:13,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:46:13,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:46:13,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:46:13,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:46:13,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 142 [2021-03-24 19:46:13,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 36 transitions, 295 flow. Second operand has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 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) [2021-03-24 19:46:13,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:46:13,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 142 [2021-03-24 19:46:13,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:46:13,794 INFO L129 PetriNetUnfolder]: 12/52 cut-off events. [2021-03-24 19:46:13,794 INFO L130 PetriNetUnfolder]: For 388/388 co-relation queries the response was YES. [2021-03-24 19:46:13,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 52 events. 12/52 cut-off events. For 388/388 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 4/56 useless extension candidates. Maximal degree in co-relation 279. Up to 16 conditions per place. [2021-03-24 19:46:13,795 INFO L132 encePairwiseOnDemand]: 133/142 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2021-03-24 19:46:13,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 43 transitions, 421 flow [2021-03-24 19:46:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:46:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:46:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 878 transitions. [2021-03-24 19:46:13,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6183098591549295 [2021-03-24 19:46:13,796 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 878 transitions. [2021-03-24 19:46:13,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 878 transitions. [2021-03-24 19:46:13,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:46:13,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 878 transitions. [2021-03-24 19:46:13,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 87.8) internal successors, (878), 10 states have internal predecessors, (878), 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) [2021-03-24 19:46:13,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:13,799 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 142.0) internal successors, (1562), 11 states have internal predecessors, (1562), 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) [2021-03-24 19:46:13,799 INFO L185 Difference]: Start difference. First operand has 86 places, 36 transitions, 295 flow. Second operand 10 states and 878 transitions. [2021-03-24 19:46:13,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 43 transitions, 421 flow [2021-03-24 19:46:13,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 43 transitions, 322 flow, removed 25 selfloop flow, removed 20 redundant places. [2021-03-24 19:46:13,800 INFO L241 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2021-03-24 19:46:13,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2021-03-24 19:46:13,800 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 25 predicate places. [2021-03-24 19:46:13,800 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2021-03-24 19:46:13,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 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) [2021-03-24 19:46:13,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 19:46:13,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:46:13 BasicIcfg [2021-03-24 19:46:13,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:46:13,804 INFO L168 Benchmark]: Toolchain (without parser) took 16628.68 ms. Allocated memory was 371.2 MB in the beginning and 738.2 MB in the end (delta: 367.0 MB). Free memory was 334.6 MB in the beginning and 390.8 MB in the end (delta: -56.2 MB). Peak memory consumption was 312.4 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 371.2 MB. Free memory is still 352.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.50 ms. Allocated memory is still 371.2 MB. Free memory was 334.5 MB in the beginning and 329.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 371.2 MB. Free memory was 329.4 MB in the beginning and 325.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: Boogie Preprocessor took 59.07 ms. Allocated memory is still 371.2 MB. Free memory was 325.2 MB in the beginning and 323.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: RCFGBuilder took 2004.91 ms. Allocated memory was 371.2 MB in the beginning and 486.5 MB in the end (delta: 115.3 MB). Free memory was 323.1 MB in the beginning and 354.7 MB in the end (delta: -31.7 MB). Peak memory consumption was 163.4 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L168 Benchmark]: TraceAbstraction took 14147.05 ms. Allocated memory was 486.5 MB in the beginning and 738.2 MB in the end (delta: 251.7 MB). Free memory was 353.7 MB in the beginning and 390.8 MB in the end (delta: -37.1 MB). Peak memory consumption was 214.5 MB. Max. memory is 16.0 GB. [2021-03-24 19:46:13,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 371.2 MB. Free memory is still 352.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 374.50 ms. Allocated memory is still 371.2 MB. Free memory was 334.5 MB in the beginning and 329.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 371.2 MB. Free memory was 329.4 MB in the beginning and 325.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.07 ms. Allocated memory is still 371.2 MB. Free memory was 325.2 MB in the beginning and 323.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2004.91 ms. Allocated memory was 371.2 MB in the beginning and 486.5 MB in the end (delta: 115.3 MB). Free memory was 323.1 MB in the beginning and 354.7 MB in the end (delta: -31.7 MB). Peak memory consumption was 163.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14147.05 ms. Allocated memory was 486.5 MB in the beginning and 738.2 MB in the end (delta: 251.7 MB). Free memory was 353.7 MB in the beginning and 390.8 MB in the end (delta: -37.1 MB). Peak memory consumption was 214.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6997.5ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 1858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 939, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 706, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 706, positive: 666, positive conditional: 0, positive unconditional: 666, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 640, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 629, negative conditional: 0, negative unconditional: 629, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 939, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 706, unknown conditional: 0, unknown unconditional: 706] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 14057.6ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4122.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7043.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 176 SDtfs, 383 SDslu, 415 SDs, 0 SdLazy, 1869 SolverSat, 573 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1698.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 2078.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=934occurred in iteration=12, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 57.3ms SsaConstructionTime, 530.6ms SatisfiabilityAnalysisTime, 2114.5ms InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 3392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...