/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix018_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:16:45,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:16:45,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:16:45,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:16:45,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:16:45,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:16:45,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:16:45,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:16:45,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:16:45,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:16:45,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:16:45,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:16:45,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:16:45,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:16:45,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:16:45,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:16:45,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:16:45,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:16:45,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:16:45,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:16:45,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:16:45,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:16:45,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:16:45,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:16:45,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:16:45,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:16:45,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:16:45,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:16:45,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:16:45,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:16:45,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:16:45,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:16:45,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:16:45,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:16:45,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:16:45,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:16:45,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:16:45,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:16:45,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:16:45,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:16:45,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:16:45,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:16:45,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:16:45,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:16:45,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:16:45,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:16:45,953 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:16:45,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:16:45,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:16:45,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:16:45,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:16:45,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:16:45,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:16:45,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:16:45,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:16:45,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:16:45,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:16:45,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:16:45,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:16:45,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:16:45,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:16:45,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:16:45,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:16:45,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:16:45,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:16:45,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:16:45,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:16:45,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:16:45,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:16:45,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:16:45,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:16:45,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:16:45,959 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:16:46,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:16:46,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:16:46,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:16:46,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:16:46,397 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:16:46,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018_rmo.oepc.i [2021-04-28 18:16:46,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74635c724/883b5053a0d44bdf8000d40b403a8fda/FLAG3063e3499 [2021-04-28 18:16:47,239 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:16:47,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix018_rmo.oepc.i [2021-04-28 18:16:47,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74635c724/883b5053a0d44bdf8000d40b403a8fda/FLAG3063e3499 [2021-04-28 18:16:47,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74635c724/883b5053a0d44bdf8000d40b403a8fda [2021-04-28 18:16:47,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:16:47,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:16:47,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:16:47,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:16:47,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:16:47,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:16:47" (1/1) ... [2021-04-28 18:16:47,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372acf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:47, skipping insertion in model container [2021-04-28 18:16:47,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:16:47" (1/1) ... [2021-04-28 18:16:47,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:16:47,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:16:47,716 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/mix018_rmo.oepc.i[949,962] [2021-04-28 18:16:48,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:16:48,095 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:16:48,113 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/mix018_rmo.oepc.i[949,962] [2021-04-28 18:16:48,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:16:48,313 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:16:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48 WrapperNode [2021-04-28 18:16:48,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:16:48,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:16:48,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:16:48,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:16:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:16:48,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:16:48,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:16:48,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:16:48,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... [2021-04-28 18:16:48,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:16:48,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:16:48,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:16:48,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:16:48,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:16:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:16:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:16:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:16:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:16:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:16:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:16:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:16:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:16:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:16:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:16:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:16:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:16:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:16:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:16:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:16:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:16:48,594 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:16:51,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:16:51,038 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:16:51,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:16:51 BoogieIcfgContainer [2021-04-28 18:16:51,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:16:51,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:16:51,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:16:51,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:16:51,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:16:47" (1/3) ... [2021-04-28 18:16:51,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a3886a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:16:51, skipping insertion in model container [2021-04-28 18:16:51,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:16:48" (2/3) ... [2021-04-28 18:16:51,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a3886a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:16:51, skipping insertion in model container [2021-04-28 18:16:51,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:16:51" (3/3) ... [2021-04-28 18:16:51,049 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_rmo.oepc.i [2021-04-28 18:16:51,056 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:16:51,061 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:16:51,062 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:16:51,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,108 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,125 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,125 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,130 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,136 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,137 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,146 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,146 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,146 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,146 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,153 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,153 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,156 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,156 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,160 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,160 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:16:51,167 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:16:51,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:16:51,214 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:16:51,215 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:16:51,215 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:16:51,215 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:16:51,215 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:16:51,215 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:16:51,215 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:16:51,215 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:16:51,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:16:51,289 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:16:51,290 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:16:51,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 87 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:16:51,295 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:16:51,302 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 18:16:51,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:16:51,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:16:51,323 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:16:51,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 18:16:51,354 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:16:51,355 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:16:51,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:16:51,361 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 18:16:55,043 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:16:55,156 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:16:55,716 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 18:16:55,937 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:17:04,897 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:17:07,526 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 18:17:12,418 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:17:12,537 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:17:12,653 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:17:12,775 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:17:12,878 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:17:13,081 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:17:13,282 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:17:13,385 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:17:13,493 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:17:13,599 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:17:14,774 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:17:14,882 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:17:14,990 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:17:15,098 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:17:15,657 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:17:16,486 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:17:18,812 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:17:20,538 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:17:20,656 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:17:20,776 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:17:20,896 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:17:21,331 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:17:21,449 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:17:21,564 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:17:21,680 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:17:22,316 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:17:22,562 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:17:22,673 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:17:22,790 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:17:22,922 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:17:24,055 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:17:24,161 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:17:24,266 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:17:24,371 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:17:24,721 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:17:24,865 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:17:25,012 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:17:25,157 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:17:25,640 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:25,761 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:25,881 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:26,009 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:26,206 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:26,406 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:26,607 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:26,810 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:27,009 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:17:27,194 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:17:27,377 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:17:27,563 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:17:27,723 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:27,884 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:28,049 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:28,214 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:28,368 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:17:28,522 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:17:28,678 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:17:28,834 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:17:28,976 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:29,117 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:29,260 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:29,406 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:29,863 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:17:30,035 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:17:30,210 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:17:30,395 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:17:30,583 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:17:30,768 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:17:30,949 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:17:31,129 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:17:31,293 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:17:31,451 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:17:31,612 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:17:31,772 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:17:31,915 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:17:32,061 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:17:32,204 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:17:32,350 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:17:32,515 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:32,684 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:32,847 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:33,009 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:17:33,204 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:17:33,399 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:17:33,603 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:17:33,795 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:17:33,931 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:17:34,061 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:17:34,202 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:17:34,342 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:17:34,547 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:34,754 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:34,959 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:35,165 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:35,318 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:35,468 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:35,615 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:35,762 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:35,911 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,057 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,211 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,364 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,536 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,692 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:36,860 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:37,011 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:17:37,501 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:17:37,729 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:17:38,240 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:17:38,474 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:17:38,677 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:38,877 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:39,079 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:39,274 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:17:39,478 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:39,678 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:39,892 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:40,113 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:40,323 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:40,528 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:40,733 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:40,941 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:41,463 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:17:41,710 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:17:42,231 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:17:42,475 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:17:42,686 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:42,891 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:43,101 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:43,306 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:17:43,756 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:43,879 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:44,011 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:44,142 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:17:44,205 INFO L158 LiptonReduction]: Checked pairs total: 30621 [2021-04-28 18:17:44,205 INFO L160 LiptonReduction]: Total number of compositions: 309 [2021-04-28 18:17:44,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52909 [2021-04-28 18:17:44,234 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-04-28 18:17:44,234 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:17:44,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:17:44,235 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:17:44,235 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:17:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:17:44,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1417001, now seen corresponding path program 1 times [2021-04-28 18:17:44,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:17:44,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966780526] [2021-04-28 18:17:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:17:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:17:44,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:17:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:17:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:17:44,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966780526] [2021-04-28 18:17:44,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:17:44,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:17:44,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687978172] [2021-04-28 18:17:44,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:17:44,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:17:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:17:44,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:17:44,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 427 [2021-04-28 18:17:44,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 146 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:44,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:17:44,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 427 [2021-04-28 18:17:44,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:17:44,834 INFO L129 PetriNetUnfolder]: 133/827 cut-off events. [2021-04-28 18:17:44,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:17:44,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 827 events. 133/827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7347 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 973. Up to 153 conditions per place. [2021-04-28 18:17:44,846 INFO L132 encePairwiseOnDemand]: 402/427 looper letters, 11 selfloop transitions, 2 changer transitions 64/147 dead transitions. [2021-04-28 18:17:44,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 370 flow [2021-04-28 18:17:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:17:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:17:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2021-04-28 18:17:44,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7798594847775175 [2021-04-28 18:17:44,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2021-04-28 18:17:44,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2021-04-28 18:17:44,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:17:44,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2021-04-28 18:17:44,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:44,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:44,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:44,901 INFO L185 Difference]: Start difference. First operand has 158 places, 146 transitions, 304 flow. Second operand 3 states and 999 transitions. [2021-04-28 18:17:44,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 370 flow [2021-04-28 18:17:44,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:17:44,910 INFO L241 Difference]: Finished difference. Result has 153 places, 78 transitions, 168 flow [2021-04-28 18:17:44,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=153, PETRI_TRANSITIONS=78} [2021-04-28 18:17:44,913 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -5 predicate places. [2021-04-28 18:17:44,913 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:17:44,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:17:44,914 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:17:44,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 78 transitions, 168 flow [2021-04-28 18:17:44,926 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-04-28 18:17:44,927 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:17:44,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 378 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:17:44,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 3084 [2021-04-28 18:17:45,097 INFO L158 LiptonReduction]: Checked pairs total: 4114 [2021-04-28 18:17:45,097 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:17:45,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 18:17:45,100 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 78 transitions, 168 flow [2021-04-28 18:17:45,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:45,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:17:45,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:17:45,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:17:45,102 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:17:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:17:45,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1532856330, now seen corresponding path program 1 times [2021-04-28 18:17:45,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:17:45,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838794699] [2021-04-28 18:17:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:17:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:17:45,232 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:17:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:17:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:17:45,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838794699] [2021-04-28 18:17:45,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:17:45,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:17:45,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712488531] [2021-04-28 18:17:45,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:17:45,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:17:45,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:17:45,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:17:45,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 427 [2021-04-28 18:17:45,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 78 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:45,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:17:45,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 427 [2021-04-28 18:17:45,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:17:46,779 INFO L129 PetriNetUnfolder]: 3314/9040 cut-off events. [2021-04-28 18:17:46,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:17:46,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13996 conditions, 9040 events. 3314/9040 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1422. Compared 112158 event pairs, 1152 based on Foata normal form. 0/5699 useless extension candidates. Maximal degree in co-relation 13987. Up to 3411 conditions per place. [2021-04-28 18:17:46,832 INFO L132 encePairwiseOnDemand]: 405/427 looper letters, 7 selfloop transitions, 7 changer transitions 48/107 dead transitions. [2021-04-28 18:17:46,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 107 transitions, 350 flow [2021-04-28 18:17:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:17:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:17:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-04-28 18:17:46,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6057767369242779 [2021-04-28 18:17:46,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-04-28 18:17:46,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-04-28 18:17:46,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:17:46,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-04-28 18:17:46,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:46,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:46,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:46,847 INFO L185 Difference]: Start difference. First operand has 89 places, 78 transitions, 168 flow. Second operand 3 states and 776 transitions. [2021-04-28 18:17:46,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 107 transitions, 350 flow [2021-04-28 18:17:46,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 107 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:17:46,851 INFO L241 Difference]: Finished difference. Result has 91 places, 59 transitions, 168 flow [2021-04-28 18:17:46,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=91, PETRI_TRANSITIONS=59} [2021-04-28 18:17:46,852 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -67 predicate places. [2021-04-28 18:17:46,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:17:46,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 59 transitions, 168 flow [2021-04-28 18:17:46,853 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 59 transitions, 168 flow [2021-04-28 18:17:46,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 59 transitions, 168 flow [2021-04-28 18:17:46,940 INFO L129 PetriNetUnfolder]: 152/585 cut-off events. [2021-04-28 18:17:46,940 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-04-28 18:17:46,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 585 events. 152/585 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4545 event pairs, 71 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 944. Up to 221 conditions per place. [2021-04-28 18:17:46,956 INFO L146 LiptonReduction]: Number of co-enabled transitions 1952 [2021-04-28 18:17:47,104 INFO L158 LiptonReduction]: Checked pairs total: 1391 [2021-04-28 18:17:47,105 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:17:47,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-04-28 18:17:47,107 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 168 flow [2021-04-28 18:17:47,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:17:47,108 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:17:47,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:17:47,108 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:17:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:17:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash -718390378, now seen corresponding path program 1 times [2021-04-28 18:17:47,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:17:47,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639730057] [2021-04-28 18:17:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:17:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:17:47,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:17:47,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:17:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:17:47,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639730057] [2021-04-28 18:17:47,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:17:47,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:17:47,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929024363] [2021-04-28 18:17:47,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:17:47,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:17:47,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:17:47,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:17:47,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 427 [2021-04-28 18:17:47,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:17:47,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 427 [2021-04-28 18:17:47,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:17:47,264 INFO L129 PetriNetUnfolder]: 122/472 cut-off events. [2021-04-28 18:17:47,265 INFO L130 PetriNetUnfolder]: For 95/115 co-relation queries the response was YES. [2021-04-28 18:17:47,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 472 events. 122/472 cut-off events. For 95/115 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3233 event pairs, 52 based on Foata normal form. 3/330 useless extension candidates. Maximal degree in co-relation 812. Up to 181 conditions per place. [2021-04-28 18:17:47,271 INFO L132 encePairwiseOnDemand]: 424/427 looper letters, 1 selfloop transitions, 3 changer transitions 0/59 dead transitions. [2021-04-28 18:17:47,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 59 transitions, 176 flow [2021-04-28 18:17:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:17:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:17:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2021-04-28 18:17:47,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6963309914129586 [2021-04-28 18:17:47,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 892 transitions. [2021-04-28 18:17:47,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 892 transitions. [2021-04-28 18:17:47,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:17:47,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 892 transitions. [2021-04-28 18:17:47,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,284 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,285 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 168 flow. Second operand 3 states and 892 transitions. [2021-04-28 18:17:47,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 59 transitions, 176 flow [2021-04-28 18:17:47,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 59 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:17:47,291 INFO L241 Difference]: Finished difference. Result has 67 places, 59 transitions, 165 flow [2021-04-28 18:17:47,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2021-04-28 18:17:47,291 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -91 predicate places. [2021-04-28 18:17:47,291 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:17:47,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 59 transitions, 165 flow [2021-04-28 18:17:47,295 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 59 transitions, 165 flow [2021-04-28 18:17:47,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 165 flow [2021-04-28 18:17:47,371 INFO L129 PetriNetUnfolder]: 122/524 cut-off events. [2021-04-28 18:17:47,371 INFO L130 PetriNetUnfolder]: For 40/46 co-relation queries the response was YES. [2021-04-28 18:17:47,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 524 events. 122/524 cut-off events. For 40/46 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3981 event pairs, 62 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 796. Up to 181 conditions per place. [2021-04-28 18:17:47,389 INFO L146 LiptonReduction]: Number of co-enabled transitions 1948 [2021-04-28 18:17:47,402 INFO L158 LiptonReduction]: Checked pairs total: 1389 [2021-04-28 18:17:47,403 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:17:47,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-04-28 18:17:47,411 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 165 flow [2021-04-28 18:17:47,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:17:47,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:17:47,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:17:47,413 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:17:47,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:17:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash -98919177, now seen corresponding path program 1 times [2021-04-28 18:17:47,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:17:47,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527857980] [2021-04-28 18:17:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:17:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:17:47,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:17:47,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:17:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:17:47,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527857980] [2021-04-28 18:17:47,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:17:47,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:17:47,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97641627] [2021-04-28 18:17:47,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:17:47,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:17:47,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:17:47,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:17:47,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 427 [2021-04-28 18:17:47,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:17:47,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 427 [2021-04-28 18:17:47,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:17:47,622 INFO L129 PetriNetUnfolder]: 106/432 cut-off events. [2021-04-28 18:17:47,622 INFO L130 PetriNetUnfolder]: For 121/185 co-relation queries the response was YES. [2021-04-28 18:17:47,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 432 events. 106/432 cut-off events. For 121/185 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2954 event pairs, 48 based on Foata normal form. 5/301 useless extension candidates. Maximal degree in co-relation 743. Up to 161 conditions per place. [2021-04-28 18:17:47,628 INFO L132 encePairwiseOnDemand]: 423/427 looper letters, 4 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2021-04-28 18:17:47,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 195 flow [2021-04-28 18:17:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:17:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:17:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2021-04-28 18:17:47,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7572209211553473 [2021-04-28 18:17:47,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 970 transitions. [2021-04-28 18:17:47,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 970 transitions. [2021-04-28 18:17:47,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:17:47,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 970 transitions. [2021-04-28 18:17:47,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,641 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,642 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 165 flow. Second operand 3 states and 970 transitions. [2021-04-28 18:17:47,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 195 flow [2021-04-28 18:17:47,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 62 transitions, 189 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:17:47,644 INFO L241 Difference]: Finished difference. Result has 68 places, 62 transitions, 194 flow [2021-04-28 18:17:47,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2021-04-28 18:17:47,645 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -90 predicate places. [2021-04-28 18:17:47,645 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:17:47,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 62 transitions, 194 flow [2021-04-28 18:17:47,645 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 62 transitions, 194 flow [2021-04-28 18:17:47,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 62 transitions, 194 flow [2021-04-28 18:17:47,706 INFO L129 PetriNetUnfolder]: 106/440 cut-off events. [2021-04-28 18:17:47,706 INFO L130 PetriNetUnfolder]: For 85/120 co-relation queries the response was YES. [2021-04-28 18:17:47,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 440 events. 106/440 cut-off events. For 85/120 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3137 event pairs, 45 based on Foata normal form. 1/304 useless extension candidates. Maximal degree in co-relation 746. Up to 161 conditions per place. [2021-04-28 18:17:47,720 INFO L146 LiptonReduction]: Number of co-enabled transitions 2102 [2021-04-28 18:17:47,726 INFO L158 LiptonReduction]: Checked pairs total: 1481 [2021-04-28 18:17:47,726 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:17:47,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-04-28 18:17:47,728 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 194 flow [2021-04-28 18:17:47,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:17:47,729 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:17:47,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:17:47,729 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:17:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:17:47,730 INFO L82 PathProgramCache]: Analyzing trace with hash 406189937, now seen corresponding path program 1 times [2021-04-28 18:17:47,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:17:47,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693874082] [2021-04-28 18:17:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:17:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:17:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:17:47,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:17:47,843 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:17:47,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:17:47,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:17:47,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:17:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:17:47,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693874082] [2021-04-28 18:17:47,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:17:47,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:17:47,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422929565] [2021-04-28 18:17:47,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:17:47,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:17:47,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:17:47,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:17:47,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:17:47,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:47,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:17:47,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:17:47,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:17:54,812 INFO L129 PetriNetUnfolder]: 44111/65870 cut-off events. [2021-04-28 18:17:54,813 INFO L130 PetriNetUnfolder]: For 2012/2239 co-relation queries the response was YES. [2021-04-28 18:17:55,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133012 conditions, 65870 events. 44111/65870 cut-off events. For 2012/2239 co-relation queries the response was YES. Maximal size of possible extension queue 9744. Compared 606473 event pairs, 23258 based on Foata normal form. 1210/20386 useless extension candidates. Maximal degree in co-relation 132999. Up to 42001 conditions per place. [2021-04-28 18:17:55,550 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 34 selfloop transitions, 33 changer transitions 0/106 dead transitions. [2021-04-28 18:17:55,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 106 transitions, 416 flow [2021-04-28 18:17:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:17:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:17:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1706 transitions. [2021-04-28 18:17:55,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990632318501171 [2021-04-28 18:17:55,556 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1706 transitions. [2021-04-28 18:17:55,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1706 transitions. [2021-04-28 18:17:55,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:17:55,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1706 transitions. [2021-04-28 18:17:55,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 341.2) internal successors, (1706), 5 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:55,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:55,571 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:17:55,571 INFO L185 Difference]: Start difference. First operand has 68 places, 62 transitions, 194 flow. Second operand 5 states and 1706 transitions. [2021-04-28 18:17:55,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 106 transitions, 416 flow [2021-04-28 18:17:55,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 106 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:17:55,580 INFO L241 Difference]: Finished difference. Result has 74 places, 93 transitions, 435 flow [2021-04-28 18:17:55,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=435, PETRI_PLACES=74, PETRI_TRANSITIONS=93} [2021-04-28 18:17:55,581 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -84 predicate places. [2021-04-28 18:17:55,581 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:17:55,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 93 transitions, 435 flow [2021-04-28 18:17:55,581 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 93 transitions, 435 flow [2021-04-28 18:17:55,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 93 transitions, 435 flow [2021-04-28 18:18:00,778 INFO L129 PetriNetUnfolder]: 37930/57391 cut-off events. [2021-04-28 18:18:00,778 INFO L130 PetriNetUnfolder]: For 12104/39128 co-relation queries the response was YES. [2021-04-28 18:18:00,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163550 conditions, 57391 events. 37930/57391 cut-off events. For 12104/39128 co-relation queries the response was YES. Maximal size of possible extension queue 8654. Compared 549067 event pairs, 21330 based on Foata normal form. 21/17345 useless extension candidates. Maximal degree in co-relation 163535. Up to 53804 conditions per place. [2021-04-28 18:18:01,580 INFO L146 LiptonReduction]: Number of co-enabled transitions 3138 [2021-04-28 18:18:11,019 INFO L158 LiptonReduction]: Checked pairs total: 2970 [2021-04-28 18:18:11,019 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:18:11,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15438 [2021-04-28 18:18:11,021 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 93 transitions, 435 flow [2021-04-28 18:18:11,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:11,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:18:11,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:18:11,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:18:11,023 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:18:11,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:18:11,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1961952450, now seen corresponding path program 1 times [2021-04-28 18:18:11,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:18:11,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22087260] [2021-04-28 18:18:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:18:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:18:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:18:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:11,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:18:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:18:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:18:11,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22087260] [2021-04-28 18:18:11,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:18:11,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:18:11,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418646251] [2021-04-28 18:18:11,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:18:11,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:18:11,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:18:11,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:18:11,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 427 [2021-04-28 18:18:11,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 93 transitions, 435 flow. Second operand has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:11,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:18:11,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 427 [2021-04-28 18:18:11,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:18:17,793 INFO L129 PetriNetUnfolder]: 53045/79525 cut-off events. [2021-04-28 18:18:17,794 INFO L130 PetriNetUnfolder]: For 16275/43170 co-relation queries the response was YES. [2021-04-28 18:18:18,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228290 conditions, 79525 events. 53045/79525 cut-off events. For 16275/43170 co-relation queries the response was YES. Maximal size of possible extension queue 11322. Compared 747864 event pairs, 30376 based on Foata normal form. 440/24451 useless extension candidates. Maximal degree in co-relation 228273. Up to 75497 conditions per place. [2021-04-28 18:18:18,364 INFO L132 encePairwiseOnDemand]: 421/427 looper letters, 14 selfloop transitions, 9 changer transitions 0/99 dead transitions. [2021-04-28 18:18:18,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 99 transitions, 507 flow [2021-04-28 18:18:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:18:18,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:18:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 974 transitions. [2021-04-28 18:18:18,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5702576112412178 [2021-04-28 18:18:18,369 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 974 transitions. [2021-04-28 18:18:18,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 974 transitions. [2021-04-28 18:18:18,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:18:18,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 974 transitions. [2021-04-28 18:18:18,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.5) internal successors, (974), 4 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:18,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:18,380 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:18,380 INFO L185 Difference]: Start difference. First operand has 74 places, 93 transitions, 435 flow. Second operand 4 states and 974 transitions. [2021-04-28 18:18:18,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 99 transitions, 507 flow [2021-04-28 18:18:18,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 99 transitions, 507 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:18:18,458 INFO L241 Difference]: Finished difference. Result has 79 places, 95 transitions, 478 flow [2021-04-28 18:18:18,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=478, PETRI_PLACES=79, PETRI_TRANSITIONS=95} [2021-04-28 18:18:18,459 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -79 predicate places. [2021-04-28 18:18:18,459 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:18:18,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 95 transitions, 478 flow [2021-04-28 18:18:18,459 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 95 transitions, 478 flow [2021-04-28 18:18:18,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 95 transitions, 478 flow [2021-04-28 18:18:25,306 INFO L129 PetriNetUnfolder]: 52608/78422 cut-off events. [2021-04-28 18:18:25,306 INFO L130 PetriNetUnfolder]: For 18037/117306 co-relation queries the response was YES. [2021-04-28 18:18:25,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224307 conditions, 78422 events. 52608/78422 cut-off events. For 18037/117306 co-relation queries the response was YES. Maximal size of possible extension queue 12123. Compared 764512 event pairs, 30032 based on Foata normal form. 24/22845 useless extension candidates. Maximal degree in co-relation 224288. Up to 74318 conditions per place. [2021-04-28 18:18:26,212 INFO L146 LiptonReduction]: Number of co-enabled transitions 3192 [2021-04-28 18:18:30,391 INFO L158 LiptonReduction]: Checked pairs total: 3111 [2021-04-28 18:18:30,391 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:18:30,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11932 [2021-04-28 18:18:30,393 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 95 transitions, 478 flow [2021-04-28 18:18:30,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:30,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:18:30,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:18:30,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:18:30,394 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:18:30,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:18:30,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2100552546, now seen corresponding path program 1 times [2021-04-28 18:18:30,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:18:30,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968381145] [2021-04-28 18:18:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:18:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:18:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:30,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:30,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:30,460 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:18:30,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:18:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:18:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:18:30,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968381145] [2021-04-28 18:18:30,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:18:30,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:18:30,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111850465] [2021-04-28 18:18:30,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:18:30,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:18:30,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:18:30,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:18:30,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:18:30,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 95 transitions, 478 flow. Second operand has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:30,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:18:30,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:18:30,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:18:40,540 INFO L129 PetriNetUnfolder]: 66755/104206 cut-off events. [2021-04-28 18:18:40,540 INFO L130 PetriNetUnfolder]: For 27603/150902 co-relation queries the response was YES. [2021-04-28 18:18:40,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 399899 conditions, 104206 events. 66755/104206 cut-off events. For 27603/150902 co-relation queries the response was YES. Maximal size of possible extension queue 17352. Compared 1067429 event pairs, 13286 based on Foata normal form. 1972/35675 useless extension candidates. Maximal degree in co-relation 399878. Up to 97349 conditions per place. [2021-04-28 18:18:41,535 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 35 selfloop transitions, 64 changer transitions 0/140 dead transitions. [2021-04-28 18:18:41,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 140 transitions, 925 flow [2021-04-28 18:18:41,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:18:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:18:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2392 transitions. [2021-04-28 18:18:41,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8002676480428237 [2021-04-28 18:18:41,543 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2392 transitions. [2021-04-28 18:18:41,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2392 transitions. [2021-04-28 18:18:41,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:18:41,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2392 transitions. [2021-04-28 18:18:41,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 341.7142857142857) internal successors, (2392), 7 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:41,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:41,561 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:41,561 INFO L185 Difference]: Start difference. First operand has 79 places, 95 transitions, 478 flow. Second operand 7 states and 2392 transitions. [2021-04-28 18:18:41,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 140 transitions, 925 flow [2021-04-28 18:18:41,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 140 transitions, 919 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 18:18:41,668 INFO L241 Difference]: Finished difference. Result has 88 places, 126 transitions, 914 flow [2021-04-28 18:18:41,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=914, PETRI_PLACES=88, PETRI_TRANSITIONS=126} [2021-04-28 18:18:41,668 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -70 predicate places. [2021-04-28 18:18:41,668 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:18:41,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 126 transitions, 914 flow [2021-04-28 18:18:41,669 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 126 transitions, 914 flow [2021-04-28 18:18:41,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 126 transitions, 914 flow [2021-04-28 18:18:51,569 INFO L129 PetriNetUnfolder]: 60718/95522 cut-off events. [2021-04-28 18:18:51,569 INFO L130 PetriNetUnfolder]: For 135473/697874 co-relation queries the response was YES. [2021-04-28 18:18:52,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452176 conditions, 95522 events. 60718/95522 cut-off events. For 135473/697874 co-relation queries the response was YES. Maximal size of possible extension queue 15882. Compared 1025408 event pairs, 12822 based on Foata normal form. 48/28743 useless extension candidates. Maximal degree in co-relation 452152. Up to 91169 conditions per place. [2021-04-28 18:18:53,169 INFO L146 LiptonReduction]: Number of co-enabled transitions 4464 [2021-04-28 18:18:58,038 INFO L158 LiptonReduction]: Checked pairs total: 6492 [2021-04-28 18:18:58,038 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:18:58,038 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16370 [2021-04-28 18:18:58,045 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 126 transitions, 914 flow [2021-04-28 18:18:58,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:58,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:18:58,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:18:58,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:18:58,046 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:18:58,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:18:58,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1073405908, now seen corresponding path program 1 times [2021-04-28 18:18:58,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:18:58,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558495708] [2021-04-28 18:18:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:18:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:18:58,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:58,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:58,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:18:58,219 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:18:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:18:58,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:18:58,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:18:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:18:58,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558495708] [2021-04-28 18:18:58,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:18:58,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:18:58,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677771049] [2021-04-28 18:18:58,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:18:58,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:18:58,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:18:58,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:18:58,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:18:58,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 126 transitions, 914 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:18:58,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:18:58,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:18:58,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:19:10,192 INFO L129 PetriNetUnfolder]: 62354/103369 cut-off events. [2021-04-28 18:19:10,192 INFO L130 PetriNetUnfolder]: For 96576/524201 co-relation queries the response was YES. [2021-04-28 18:19:10,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587087 conditions, 103369 events. 62354/103369 cut-off events. For 96576/524201 co-relation queries the response was YES. Maximal size of possible extension queue 16686. Compared 1152052 event pairs, 2054 based on Foata normal form. 2044/35270 useless extension candidates. Maximal degree in co-relation 587061. Up to 97475 conditions per place. [2021-04-28 18:19:10,918 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 24 selfloop transitions, 95 changer transitions 12/172 dead transitions. [2021-04-28 18:19:10,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 172 transitions, 1586 flow [2021-04-28 18:19:10,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:19:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:19:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3078 transitions. [2021-04-28 18:19:10,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009367681498829 [2021-04-28 18:19:10,927 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3078 transitions. [2021-04-28 18:19:10,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3078 transitions. [2021-04-28 18:19:10,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:19:10,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3078 transitions. [2021-04-28 18:19:10,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 342.0) internal successors, (3078), 9 states have internal predecessors, (3078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:19:10,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:19:10,946 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:19:10,946 INFO L185 Difference]: Start difference. First operand has 88 places, 126 transitions, 914 flow. Second operand 9 states and 3078 transitions. [2021-04-28 18:19:10,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 172 transitions, 1586 flow [2021-04-28 18:19:25,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 172 transitions, 1423 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 18:19:25,484 INFO L241 Difference]: Finished difference. Result has 96 places, 157 transitions, 1342 flow [2021-04-28 18:19:25,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1342, PETRI_PLACES=96, PETRI_TRANSITIONS=157} [2021-04-28 18:19:25,484 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -62 predicate places. [2021-04-28 18:19:25,484 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:19:25,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 157 transitions, 1342 flow [2021-04-28 18:19:25,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 157 transitions, 1342 flow [2021-04-28 18:19:25,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 157 transitions, 1342 flow [2021-04-28 18:19:34,181 INFO L129 PetriNetUnfolder]: 43509/77497 cut-off events. [2021-04-28 18:19:34,181 INFO L130 PetriNetUnfolder]: For 239507/493969 co-relation queries the response was YES. [2021-04-28 18:19:34,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451655 conditions, 77497 events. 43509/77497 cut-off events. For 239507/493969 co-relation queries the response was YES. Maximal size of possible extension queue 15298. Compared 945115 event pairs, 2038 based on Foata normal form. 1/22923 useless extension candidates. Maximal degree in co-relation 451628. Up to 62722 conditions per place. [2021-04-28 18:19:35,672 INFO L146 LiptonReduction]: Number of co-enabled transitions 5184 [2021-04-28 18:20:16,460 INFO L158 LiptonReduction]: Checked pairs total: 10236 [2021-04-28 18:20:16,460 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:20:16,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50976 [2021-04-28 18:20:16,461 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 157 transitions, 1342 flow [2021-04-28 18:20:16,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:20:16,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:20:16,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:20:16,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:20:16,463 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:20:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:20:16,463 INFO L82 PathProgramCache]: Analyzing trace with hash 96088923, now seen corresponding path program 1 times [2021-04-28 18:20:16,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:20:16,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874615849] [2021-04-28 18:20:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:20:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:20:16,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:20:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:20:16,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-28 18:20:16,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 18:20:16,585 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-04-28 18:20:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 18:20:16,600 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-04-28 18:20:16,602 INFO L147 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size 32 [2021-04-28 18:20:16,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:20:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 18:20:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:20:16,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874615849] [2021-04-28 18:20:16,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:20:16,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:20:16,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325631716] [2021-04-28 18:20:16,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:20:16,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:20:16,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:20:16,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:20:16,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 427 [2021-04-28 18:20:16,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 157 transitions, 1342 flow. Second operand has 7 states, 7 states have (on average 218.14285714285714) internal successors, (1527), 7 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:20:16,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:20:16,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 427 [2021-04-28 18:20:16,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:20:56,860 INFO L129 PetriNetUnfolder]: 145207/267331 cut-off events. [2021-04-28 18:20:56,860 INFO L130 PetriNetUnfolder]: For 1222529/2703796 co-relation queries the response was YES. [2021-04-28 18:20:58,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1525535 conditions, 267331 events. 145207/267331 cut-off events. For 1222529/2703796 co-relation queries the response was YES. Maximal size of possible extension queue 47856. Compared 3695480 event pairs, 5204 based on Foata normal form. 663/80010 useless extension candidates. Maximal degree in co-relation 1525506. Up to 210538 conditions per place. [2021-04-28 18:20:59,472 INFO L132 encePairwiseOnDemand]: 419/427 looper letters, 16 selfloop transitions, 15 changer transitions 1/179 dead transitions. [2021-04-28 18:20:59,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 179 transitions, 1514 flow [2021-04-28 18:20:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:20:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:20:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1549 transitions. [2021-04-28 18:20:59,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5182335229173637 [2021-04-28 18:20:59,477 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1549 transitions. [2021-04-28 18:20:59,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1549 transitions. [2021-04-28 18:20:59,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:20:59,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1549 transitions. [2021-04-28 18:20:59,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 221.28571428571428) internal successors, (1549), 7 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:20:59,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:20:59,488 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:20:59,488 INFO L185 Difference]: Start difference. First operand has 96 places, 157 transitions, 1342 flow. Second operand 7 states and 1549 transitions. [2021-04-28 18:20:59,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 179 transitions, 1514 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown