/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix053_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:13:55,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:13:55,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:13:55,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:13:55,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:13:55,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:13:55,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:13:55,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:13:55,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:13:55,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:13:55,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:13:55,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:13:55,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:13:55,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:13:55,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:13:55,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:13:55,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:13:55,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:13:55,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:13:55,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:13:55,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:13:55,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:13:55,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:13:55,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:13:55,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:13:55,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:13:55,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:13:55,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:13:55,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:13:55,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:13:55,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:13:55,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:13:55,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:13:55,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:13:55,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:13:55,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:13:55,947 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:13:55,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:13:55,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:13:55,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:13:55,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:13:55,987 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:13:55,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:13:55,987 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:13:55,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:13:55,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:13:55,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:13:55,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:13:55,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:13:55,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:13:55,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:13:55,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:13:55,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:13:55,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:13:55,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:13:55,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:13:55,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:13:55,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:13:55,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:13:55,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:13:55,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:13:55,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:13:55,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:13:56,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:13:56,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:13:56,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:13:56,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:13:56,318 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:13:56,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix053_tso.oepc.i [2021-03-26 10:13:56,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa17ddd7/40bce6fecf3f49e49a80ffb1393bb6f3/FLAG0e33909f2 [2021-03-26 10:13:56,867 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:13:56,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_tso.oepc.i [2021-03-26 10:13:56,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa17ddd7/40bce6fecf3f49e49a80ffb1393bb6f3/FLAG0e33909f2 [2021-03-26 10:13:57,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa17ddd7/40bce6fecf3f49e49a80ffb1393bb6f3 [2021-03-26 10:13:57,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:13:57,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:13:57,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:13:57,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:13:57,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:13:57,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa3888d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57, skipping insertion in model container [2021-03-26 10:13:57,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:13:57,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:13:57,363 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/mix053_tso.oepc.i[949,962] [2021-03-26 10:13:57,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:13:57,545 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:13:57,554 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/mix053_tso.oepc.i[949,962] [2021-03-26 10:13:57,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:13:57,693 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:13:57,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57 WrapperNode [2021-03-26 10:13:57,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:13:57,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:13:57,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:13:57,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:13:57,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:13:57,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:13:57,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:13:57,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:13:57,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... [2021-03-26 10:13:57,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:13:57,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:13:57,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:13:57,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:13:57,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:13:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:13:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:13:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:13:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:13:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:13:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:13:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:13:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:13:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:13:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:13:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:13:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:13:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:13:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:13:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:13:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:13:57,929 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:13:59,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:13:59,627 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:13:59,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:13:59 BoogieIcfgContainer [2021-03-26 10:13:59,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:13:59,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:13:59,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:13:59,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:13:59,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:13:57" (1/3) ... [2021-03-26 10:13:59,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a821048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:13:59, skipping insertion in model container [2021-03-26 10:13:59,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:13:57" (2/3) ... [2021-03-26 10:13:59,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a821048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:13:59, skipping insertion in model container [2021-03-26 10:13:59,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:13:59" (3/3) ... [2021-03-26 10:13:59,636 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_tso.oepc.i [2021-03-26 10:13:59,641 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:13:59,644 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:13:59,645 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:13:59,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,682 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,683 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,693 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,693 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,694 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,695 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,696 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,697 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,700 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,702 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,708 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,708 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,710 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:13:59,716 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:13:59,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:13:59,747 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:13:59,747 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:13:59,747 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:13:59,748 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:13:59,748 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:13:59,748 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:13:59,748 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:13:59,748 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:13:59,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2021-03-26 10:13:59,792 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-03-26 10:13:59,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:13:59,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-26 10:13:59,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 114 transitions, 248 flow [2021-03-26 10:13:59,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 110 transitions, 232 flow [2021-03-26 10:13:59,802 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:13:59,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 232 flow [2021-03-26 10:13:59,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 232 flow [2021-03-26 10:13:59,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 232 flow [2021-03-26 10:13:59,835 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-03-26 10:13:59,835 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:13:59,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-26 10:13:59,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 2530 [2021-03-26 10:14:01,970 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-03-26 10:14:02,254 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-26 10:14:03,662 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-26 10:14:04,242 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 10:14:04,467 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:14:04,813 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 10:14:04,927 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:14:06,206 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:14:06,480 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:14:07,124 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:14:07,788 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:14:08,481 INFO L154 LiptonReduction]: Checked pairs total: 4698 [2021-03-26 10:14:08,481 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-26 10:14:08,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8682 [2021-03-26 10:14:08,492 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:14:08,492 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:14:08,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:08,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:08,493 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:08,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:08,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1108116867, now seen corresponding path program 1 times [2021-03-26 10:14:08,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:08,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159725342] [2021-03-26 10:14:08,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:08,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:08,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:08,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:08,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159725342] [2021-03-26 10:14:08,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:08,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:14:08,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939766781] [2021-03-26 10:14:08,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:14:08,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:08,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:14:08,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:14:08,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-26 10:14:08,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:08,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:08,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-26 10:14:08,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:08,787 INFO L129 PetriNetUnfolder]: 69/201 cut-off events. [2021-03-26 10:14:08,787 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:14:08,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 201 events. 69/201 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 942 event pairs, 39 based on Foata normal form. 11/195 useless extension candidates. Maximal degree in co-relation 314. Up to 89 conditions per place. [2021-03-26 10:14:08,790 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 9 selfloop transitions, 2 changer transitions 5/44 dead transitions. [2021-03-26 10:14:08,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 44 transitions, 126 flow [2021-03-26 10:14:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:14:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:14:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2021-03-26 10:14:08,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9070175438596492 [2021-03-26 10:14:08,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2021-03-26 10:14:08,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2021-03-26 10:14:08,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:08,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2021-03-26 10:14:08,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:08,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:08,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:08,816 INFO L185 Difference]: Start difference. First operand has 54 places, 42 transitions, 96 flow. Second operand 3 states and 517 transitions. [2021-03-26 10:14:08,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 44 transitions, 126 flow [2021-03-26 10:14:08,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 122 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:14:08,820 INFO L241 Difference]: Finished difference. Result has 50 places, 35 transitions, 82 flow [2021-03-26 10:14:08,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=50, PETRI_TRANSITIONS=35} [2021-03-26 10:14:08,822 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -4 predicate places. [2021-03-26 10:14:08,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:08,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 35 transitions, 82 flow [2021-03-26 10:14:08,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 35 transitions, 82 flow [2021-03-26 10:14:08,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 35 transitions, 82 flow [2021-03-26 10:14:08,827 INFO L129 PetriNetUnfolder]: 0/35 cut-off events. [2021-03-26 10:14:08,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:14:08,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:14:08,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 402 [2021-03-26 10:14:09,659 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:14:09,986 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:14:10,646 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:14:11,294 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:14:12,233 INFO L154 LiptonReduction]: Checked pairs total: 1868 [2021-03-26 10:14:12,234 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 10:14:12,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3412 [2021-03-26 10:14:12,235 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 68 flow [2021-03-26 10:14:12,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:12,235 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:12,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:12,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:14:12,236 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:12,236 INFO L82 PathProgramCache]: Analyzing trace with hash -2003638396, now seen corresponding path program 1 times [2021-03-26 10:14:12,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:12,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819784621] [2021-03-26 10:14:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:12,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:12,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:12,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:12,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:14:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:12,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819784621] [2021-03-26 10:14:12,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:12,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:14:12,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895733612] [2021-03-26 10:14:12,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:14:12,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:12,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:14:12,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:14:12,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 197 [2021-03-26 10:14:12,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:12,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:12,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 197 [2021-03-26 10:14:12,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:12,423 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-03-26 10:14:12,423 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:14:12,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 40 events. 3/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 1 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2021-03-26 10:14:12,424 INFO L132 encePairwiseOnDemand]: 193/197 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-26 10:14:12,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 30 transitions, 84 flow [2021-03-26 10:14:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:14:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:14:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2021-03-26 10:14:12,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8697123519458545 [2021-03-26 10:14:12,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2021-03-26 10:14:12,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2021-03-26 10:14:12,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:12,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2021-03-26 10:14:12,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:12,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:12,430 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:12,430 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 68 flow. Second operand 3 states and 514 transitions. [2021-03-26 10:14:12,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 30 transitions, 84 flow [2021-03-26 10:14:12,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:14:12,432 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 83 flow [2021-03-26 10:14:12,432 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-03-26 10:14:12,432 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -14 predicate places. [2021-03-26 10:14:12,432 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:12,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 83 flow [2021-03-26 10:14:12,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 83 flow [2021-03-26 10:14:12,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 83 flow [2021-03-26 10:14:12,438 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-03-26 10:14:12,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:14:12,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 40 events. 3/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 54. Up to 10 conditions per place. [2021-03-26 10:14:12,440 INFO L142 LiptonReduction]: Number of co-enabled transitions 426 [2021-03-26 10:14:12,901 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:14:13,040 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:14:13,348 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:14:13,498 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:14:13,542 INFO L154 LiptonReduction]: Checked pairs total: 828 [2021-03-26 10:14:13,542 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:14:13,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1110 [2021-03-26 10:14:13,543 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 81 flow [2021-03-26 10:14:13,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,544 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:13,544 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:13,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:14:13,544 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:13,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash -478327508, now seen corresponding path program 1 times [2021-03-26 10:14:13,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:13,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442519557] [2021-03-26 10:14:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:13,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:13,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:13,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:13,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:13,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:13,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442519557] [2021-03-26 10:14:13,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:13,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:14:13,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439728548] [2021-03-26 10:14:13,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:14:13,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:13,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:14:13,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:14:13,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 198 [2021-03-26 10:14:13,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 81 flow. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:13,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 198 [2021-03-26 10:14:13,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:13,785 INFO L129 PetriNetUnfolder]: 180/335 cut-off events. [2021-03-26 10:14:13,786 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 10:14:13,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 674 conditions, 335 events. 180/335 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1630 event pairs, 106 based on Foata normal form. 2/300 useless extension candidates. Maximal degree in co-relation 664. Up to 250 conditions per place. [2021-03-26 10:14:13,789 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 9 selfloop transitions, 8 changer transitions 0/38 dead transitions. [2021-03-26 10:14:13,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 38 transitions, 135 flow [2021-03-26 10:14:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:14:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:14:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 658 transitions. [2021-03-26 10:14:13,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8308080808080808 [2021-03-26 10:14:13,792 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 658 transitions. [2021-03-26 10:14:13,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 658 transitions. [2021-03-26 10:14:13,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:13,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 658 transitions. [2021-03-26 10:14:13,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.5) internal successors, (658), 4 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,796 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,796 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 81 flow. Second operand 4 states and 658 transitions. [2021-03-26 10:14:13,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 38 transitions, 135 flow [2021-03-26 10:14:13,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:14:13,799 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 133 flow [2021-03-26 10:14:13,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-26 10:14:13,799 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -11 predicate places. [2021-03-26 10:14:13,799 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:13,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 133 flow [2021-03-26 10:14:13,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 133 flow [2021-03-26 10:14:13,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 133 flow [2021-03-26 10:14:13,830 INFO L129 PetriNetUnfolder]: 55/159 cut-off events. [2021-03-26 10:14:13,830 INFO L130 PetriNetUnfolder]: For 56/58 co-relation queries the response was YES. [2021-03-26 10:14:13,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 159 events. 55/159 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 710 event pairs, 23 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 335. Up to 73 conditions per place. [2021-03-26 10:14:13,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 554 [2021-03-26 10:14:13,924 INFO L154 LiptonReduction]: Checked pairs total: 200 [2021-03-26 10:14:13,924 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:13,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-26 10:14:13,927 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 133 flow [2021-03-26 10:14:13,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:13,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:13,928 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:13,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:14:13,928 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:13,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:13,929 INFO L82 PathProgramCache]: Analyzing trace with hash -590320994, now seen corresponding path program 1 times [2021-03-26 10:14:13,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:13,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373887054] [2021-03-26 10:14:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:14,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:14:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:14,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:14,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373887054] [2021-03-26 10:14:14,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:14,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:14:14,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464939205] [2021-03-26 10:14:14,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:14:14,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:14,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:14:14,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:14:14,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-26 10:14:14,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:14,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-26 10:14:14,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:14,186 INFO L129 PetriNetUnfolder]: 168/322 cut-off events. [2021-03-26 10:14:14,187 INFO L130 PetriNetUnfolder]: For 169/196 co-relation queries the response was YES. [2021-03-26 10:14:14,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 322 events. 168/322 cut-off events. For 169/196 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1600 event pairs, 105 based on Foata normal form. 12/302 useless extension candidates. Maximal degree in co-relation 896. Up to 236 conditions per place. [2021-03-26 10:14:14,191 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 10 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-03-26 10:14:14,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 184 flow [2021-03-26 10:14:14,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:14:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:14:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 633 transitions. [2021-03-26 10:14:14,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7992424242424242 [2021-03-26 10:14:14,193 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 633 transitions. [2021-03-26 10:14:14,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 633 transitions. [2021-03-26 10:14:14,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:14,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 633 transitions. [2021-03-26 10:14:14,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,198 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,198 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 133 flow. Second operand 4 states and 633 transitions. [2021-03-26 10:14:14,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 184 flow [2021-03-26 10:14:14,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 40 transitions, 184 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:14:14,201 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 171 flow [2021-03-26 10:14:14,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=171, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 10:14:14,201 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -7 predicate places. [2021-03-26 10:14:14,201 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:14,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 171 flow [2021-03-26 10:14:14,202 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 171 flow [2021-03-26 10:14:14,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 171 flow [2021-03-26 10:14:14,227 INFO L129 PetriNetUnfolder]: 53/154 cut-off events. [2021-03-26 10:14:14,227 INFO L130 PetriNetUnfolder]: For 120/135 co-relation queries the response was YES. [2021-03-26 10:14:14,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 154 events. 53/154 cut-off events. For 120/135 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 692 event pairs, 28 based on Foata normal form. 2/140 useless extension candidates. Maximal degree in co-relation 406. Up to 69 conditions per place. [2021-03-26 10:14:14,230 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 10:14:14,237 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-26 10:14:14,237 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:14,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 10:14:14,241 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 171 flow [2021-03-26 10:14:14,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:14,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:14,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:14:14,242 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:14,243 INFO L82 PathProgramCache]: Analyzing trace with hash -590813522, now seen corresponding path program 1 times [2021-03-26 10:14:14,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:14,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781187199] [2021-03-26 10:14:14,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:14,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:14,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:14,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:14,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781187199] [2021-03-26 10:14:14,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:14,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:14:14,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423560644] [2021-03-26 10:14:14,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:14:14,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:14,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:14:14,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:14:14,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 198 [2021-03-26 10:14:14,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 171 flow. Second operand has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:14,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 198 [2021-03-26 10:14:14,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:14,467 INFO L129 PetriNetUnfolder]: 148/294 cut-off events. [2021-03-26 10:14:14,467 INFO L130 PetriNetUnfolder]: For 330/375 co-relation queries the response was YES. [2021-03-26 10:14:14,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 294 events. 148/294 cut-off events. For 330/375 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1394 event pairs, 43 based on Foata normal form. 17/281 useless extension candidates. Maximal degree in co-relation 967. Up to 186 conditions per place. [2021-03-26 10:14:14,471 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 18 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2021-03-26 10:14:14,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 237 flow [2021-03-26 10:14:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:14:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:14:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 640 transitions. [2021-03-26 10:14:14,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8080808080808081 [2021-03-26 10:14:14,474 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 640 transitions. [2021-03-26 10:14:14,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 640 transitions. [2021-03-26 10:14:14,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:14,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 640 transitions. [2021-03-26 10:14:14,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,477 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,477 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 171 flow. Second operand 4 states and 640 transitions. [2021-03-26 10:14:14,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 237 flow [2021-03-26 10:14:14,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:14:14,480 INFO L241 Difference]: Finished difference. Result has 49 places, 38 transitions, 172 flow [2021-03-26 10:14:14,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=172, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2021-03-26 10:14:14,480 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -5 predicate places. [2021-03-26 10:14:14,480 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:14,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 38 transitions, 172 flow [2021-03-26 10:14:14,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 38 transitions, 172 flow [2021-03-26 10:14:14,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions, 172 flow [2021-03-26 10:14:14,498 INFO L129 PetriNetUnfolder]: 47/144 cut-off events. [2021-03-26 10:14:14,498 INFO L130 PetriNetUnfolder]: For 191/210 co-relation queries the response was YES. [2021-03-26 10:14:14,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 144 events. 47/144 cut-off events. For 191/210 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 637 event pairs, 24 based on Foata normal form. 4/134 useless extension candidates. Maximal degree in co-relation 382. Up to 65 conditions per place. [2021-03-26 10:14:14,501 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 10:14:14,507 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-26 10:14:14,507 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:14,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 10:14:14,508 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 172 flow [2021-03-26 10:14:14,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:14,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:14,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:14:14,509 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:14,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1135370278, now seen corresponding path program 1 times [2021-03-26 10:14:14,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:14,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919361972] [2021-03-26 10:14:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:14,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:14:14,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:14,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:14,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:14,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:14:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:14,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919361972] [2021-03-26 10:14:14,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:14,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:14:14,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394982349] [2021-03-26 10:14:14,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:14:14,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:14,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:14:14,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:14:14,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-26 10:14:14,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 172 flow. Second operand has 6 states, 6 states have (on average 154.83333333333334) internal successors, (929), 6 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:14,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-26 10:14:14,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:14,771 INFO L129 PetriNetUnfolder]: 163/329 cut-off events. [2021-03-26 10:14:14,771 INFO L130 PetriNetUnfolder]: For 428/506 co-relation queries the response was YES. [2021-03-26 10:14:14,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 329 events. 163/329 cut-off events. For 428/506 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1593 event pairs, 21 based on Foata normal form. 23/325 useless extension candidates. Maximal degree in co-relation 1091. Up to 183 conditions per place. [2021-03-26 10:14:14,775 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 21 selfloop transitions, 23 changer transitions 0/65 dead transitions. [2021-03-26 10:14:14,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 65 transitions, 399 flow [2021-03-26 10:14:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:14:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:14:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1266 transitions. [2021-03-26 10:14:14,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7992424242424242 [2021-03-26 10:14:14,779 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1266 transitions. [2021-03-26 10:14:14,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1266 transitions. [2021-03-26 10:14:14,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:14,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1266 transitions. [2021-03-26 10:14:14,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 158.25) internal successors, (1266), 8 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,785 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:14,785 INFO L185 Difference]: Start difference. First operand has 49 places, 38 transitions, 172 flow. Second operand 8 states and 1266 transitions. [2021-03-26 10:14:14,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 65 transitions, 399 flow [2021-03-26 10:14:14,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 65 transitions, 382 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 10:14:14,790 INFO L241 Difference]: Finished difference. Result has 57 places, 57 transitions, 339 flow [2021-03-26 10:14:14,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=339, PETRI_PLACES=57, PETRI_TRANSITIONS=57} [2021-03-26 10:14:14,791 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 3 predicate places. [2021-03-26 10:14:14,791 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:14,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 57 transitions, 339 flow [2021-03-26 10:14:14,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 57 transitions, 339 flow [2021-03-26 10:14:14,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 57 transitions, 339 flow [2021-03-26 10:14:14,825 INFO L129 PetriNetUnfolder]: 132/288 cut-off events. [2021-03-26 10:14:14,825 INFO L130 PetriNetUnfolder]: For 678/735 co-relation queries the response was YES. [2021-03-26 10:14:14,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 288 events. 132/288 cut-off events. For 678/735 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1530 event pairs, 19 based on Foata normal form. 4/255 useless extension candidates. Maximal degree in co-relation 972. Up to 140 conditions per place. [2021-03-26 10:14:14,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 858 [2021-03-26 10:14:15,032 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:14:15,416 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-26 10:14:15,524 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 10:14:15,746 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:14:16,104 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 85 [2021-03-26 10:14:16,230 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-26 10:14:16,256 INFO L154 LiptonReduction]: Checked pairs total: 1624 [2021-03-26 10:14:16,257 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:14:16,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1466 [2021-03-26 10:14:16,257 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 57 transitions, 350 flow [2021-03-26 10:14:16,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 154.83333333333334) internal successors, (929), 6 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:16,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:16,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:14:16,259 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:16,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1001545907, now seen corresponding path program 1 times [2021-03-26 10:14:16,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:16,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759935987] [2021-03-26 10:14:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:14:16,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:14:16,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:14:16,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:14:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:16,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759935987] [2021-03-26 10:14:16,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:16,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:14:16,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413140573] [2021-03-26 10:14:16,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:14:16,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:16,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:14:16,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:14:16,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 200 [2021-03-26 10:14:16,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 57 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:16,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 200 [2021-03-26 10:14:16,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:16,507 INFO L129 PetriNetUnfolder]: 179/373 cut-off events. [2021-03-26 10:14:16,507 INFO L130 PetriNetUnfolder]: For 969/1256 co-relation queries the response was YES. [2021-03-26 10:14:16,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1521 conditions, 373 events. 179/373 cut-off events. For 969/1256 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1937 event pairs, 14 based on Foata normal form. 37/372 useless extension candidates. Maximal degree in co-relation 1501. Up to 182 conditions per place. [2021-03-26 10:14:16,511 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 18 selfloop transitions, 26 changer transitions 0/65 dead transitions. [2021-03-26 10:14:16,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 65 transitions, 486 flow [2021-03-26 10:14:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:14:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:14:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 794 transitions. [2021-03-26 10:14:16,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.794 [2021-03-26 10:14:16,514 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 794 transitions. [2021-03-26 10:14:16,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 794 transitions. [2021-03-26 10:14:16,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:16,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 794 transitions. [2021-03-26 10:14:16,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,518 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,518 INFO L185 Difference]: Start difference. First operand has 57 places, 57 transitions, 350 flow. Second operand 5 states and 794 transitions. [2021-03-26 10:14:16,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 65 transitions, 486 flow [2021-03-26 10:14:16,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 474 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-26 10:14:16,525 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 458 flow [2021-03-26 10:14:16,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=458, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-03-26 10:14:16,525 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 9 predicate places. [2021-03-26 10:14:16,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:16,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 458 flow [2021-03-26 10:14:16,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 458 flow [2021-03-26 10:14:16,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 62 transitions, 458 flow [2021-03-26 10:14:16,570 INFO L129 PetriNetUnfolder]: 162/334 cut-off events. [2021-03-26 10:14:16,570 INFO L130 PetriNetUnfolder]: For 1195/1312 co-relation queries the response was YES. [2021-03-26 10:14:16,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 334 events. 162/334 cut-off events. For 1195/1312 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1733 event pairs, 26 based on Foata normal form. 9/299 useless extension candidates. Maximal degree in co-relation 1378. Up to 166 conditions per place. [2021-03-26 10:14:16,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-26 10:14:16,595 INFO L154 LiptonReduction]: Checked pairs total: 1063 [2021-03-26 10:14:16,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:16,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 10:14:16,597 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 62 transitions, 458 flow [2021-03-26 10:14:16,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:16,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:16,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:14:16,597 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:16,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:16,598 INFO L82 PathProgramCache]: Analyzing trace with hash -836137027, now seen corresponding path program 2 times [2021-03-26 10:14:16,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:16,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343864158] [2021-03-26 10:14:16,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:16,709 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 10:14:16,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 10:14:16,740 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 10:14:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 10:14:16,772 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 10:14:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 10:14:16,813 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 10:14:16,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 10:14:16,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:16,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:14:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:16,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343864158] [2021-03-26 10:14:16,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:16,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:14:16,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305034859] [2021-03-26 10:14:16,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:14:16,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:16,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:14:16,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:14:16,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 200 [2021-03-26 10:14:16,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 62 transitions, 458 flow. Second operand has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:16,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:16,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 200 [2021-03-26 10:14:16,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:17,102 INFO L129 PetriNetUnfolder]: 176/372 cut-off events. [2021-03-26 10:14:17,102 INFO L130 PetriNetUnfolder]: For 1310/1611 co-relation queries the response was YES. [2021-03-26 10:14:17,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 372 events. 176/372 cut-off events. For 1310/1611 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1955 event pairs, 16 based on Foata normal form. 40/380 useless extension candidates. Maximal degree in co-relation 1730. Up to 172 conditions per place. [2021-03-26 10:14:17,107 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 21 selfloop transitions, 25 changer transitions 0/67 dead transitions. [2021-03-26 10:14:17,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 67 transitions, 588 flow [2021-03-26 10:14:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:14:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:14:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 779 transitions. [2021-03-26 10:14:17,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.779 [2021-03-26 10:14:17,110 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 779 transitions. [2021-03-26 10:14:17,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 779 transitions. [2021-03-26 10:14:17,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:17,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 779 transitions. [2021-03-26 10:14:17,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,116 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,116 INFO L185 Difference]: Start difference. First operand has 63 places, 62 transitions, 458 flow. Second operand 5 states and 779 transitions. [2021-03-26 10:14:17,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 67 transitions, 588 flow [2021-03-26 10:14:17,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 67 transitions, 563 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-26 10:14:17,122 INFO L241 Difference]: Finished difference. Result has 66 places, 64 transitions, 529 flow [2021-03-26 10:14:17,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=529, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2021-03-26 10:14:17,123 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 12 predicate places. [2021-03-26 10:14:17,123 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:17,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 529 flow [2021-03-26 10:14:17,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 529 flow [2021-03-26 10:14:17,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 529 flow [2021-03-26 10:14:17,165 INFO L129 PetriNetUnfolder]: 154/326 cut-off events. [2021-03-26 10:14:17,165 INFO L130 PetriNetUnfolder]: For 1177/1296 co-relation queries the response was YES. [2021-03-26 10:14:17,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1416 conditions, 326 events. 154/326 cut-off events. For 1177/1296 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1642 event pairs, 33 based on Foata normal form. 8/294 useless extension candidates. Maximal degree in co-relation 1393. Up to 158 conditions per place. [2021-03-26 10:14:17,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-26 10:14:17,189 INFO L154 LiptonReduction]: Checked pairs total: 1285 [2021-03-26 10:14:17,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:17,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 10:14:17,190 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 529 flow [2021-03-26 10:14:17,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:17,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:17,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:14:17,191 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:17,193 INFO L82 PathProgramCache]: Analyzing trace with hash -364223841, now seen corresponding path program 1 times [2021-03-26 10:14:17,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:17,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435201862] [2021-03-26 10:14:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:17,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:17,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:17,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:17,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435201862] [2021-03-26 10:14:17,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:17,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:14:17,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844732869] [2021-03-26 10:14:17,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:14:17,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:17,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:14:17,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:14:17,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 200 [2021-03-26 10:14:17,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 529 flow. Second operand has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:17,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 200 [2021-03-26 10:14:17,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:17,469 INFO L129 PetriNetUnfolder]: 699/1260 cut-off events. [2021-03-26 10:14:17,469 INFO L130 PetriNetUnfolder]: For 3483/4265 co-relation queries the response was YES. [2021-03-26 10:14:17,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4196 conditions, 1260 events. 699/1260 cut-off events. For 3483/4265 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 8381 event pairs, 249 based on Foata normal form. 209/1224 useless extension candidates. Maximal degree in co-relation 4171. Up to 712 conditions per place. [2021-03-26 10:14:17,485 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 14 selfloop transitions, 10 changer transitions 0/78 dead transitions. [2021-03-26 10:14:17,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 78 transitions, 605 flow [2021-03-26 10:14:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:14:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:14:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 844 transitions. [2021-03-26 10:14:17,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.844 [2021-03-26 10:14:17,488 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 844 transitions. [2021-03-26 10:14:17,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 844 transitions. [2021-03-26 10:14:17,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:17,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 844 transitions. [2021-03-26 10:14:17,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,493 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,493 INFO L185 Difference]: Start difference. First operand has 66 places, 64 transitions, 529 flow. Second operand 5 states and 844 transitions. [2021-03-26 10:14:17,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 78 transitions, 605 flow [2021-03-26 10:14:17,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 78 transitions, 575 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:14:17,500 INFO L241 Difference]: Finished difference. Result has 70 places, 73 transitions, 582 flow [2021-03-26 10:14:17,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=582, PETRI_PLACES=70, PETRI_TRANSITIONS=73} [2021-03-26 10:14:17,500 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 16 predicate places. [2021-03-26 10:14:17,500 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:17,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 73 transitions, 582 flow [2021-03-26 10:14:17,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 73 transitions, 582 flow [2021-03-26 10:14:17,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 73 transitions, 582 flow [2021-03-26 10:14:17,614 INFO L129 PetriNetUnfolder]: 564/1048 cut-off events. [2021-03-26 10:14:17,614 INFO L130 PetriNetUnfolder]: For 3611/4246 co-relation queries the response was YES. [2021-03-26 10:14:17,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4149 conditions, 1048 events. 564/1048 cut-off events. For 3611/4246 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 6827 event pairs, 186 based on Foata normal form. 61/977 useless extension candidates. Maximal degree in co-relation 4123. Up to 542 conditions per place. [2021-03-26 10:14:17,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 1302 [2021-03-26 10:14:17,680 INFO L154 LiptonReduction]: Checked pairs total: 586 [2021-03-26 10:14:17,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:17,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-03-26 10:14:17,681 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 73 transitions, 582 flow [2021-03-26 10:14:17,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:17,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:17,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:14:17,681 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1550193401, now seen corresponding path program 1 times [2021-03-26 10:14:17,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:17,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338891216] [2021-03-26 10:14:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:17,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:17,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:17,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:17,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:17,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:17,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338891216] [2021-03-26 10:14:17,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:17,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:14:17,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185234538] [2021-03-26 10:14:17,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:14:17,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:17,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:14:17,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:14:17,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 200 [2021-03-26 10:14:17,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 73 transitions, 582 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:17,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 200 [2021-03-26 10:14:17,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:17,927 INFO L129 PetriNetUnfolder]: 473/958 cut-off events. [2021-03-26 10:14:17,928 INFO L130 PetriNetUnfolder]: For 3614/7698 co-relation queries the response was YES. [2021-03-26 10:14:17,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3985 conditions, 958 events. 473/958 cut-off events. For 3614/7698 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 6413 event pairs, 49 based on Foata normal form. 391/1218 useless extension candidates. Maximal degree in co-relation 3957. Up to 572 conditions per place. [2021-03-26 10:14:17,940 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 15 selfloop transitions, 19 changer transitions 0/86 dead transitions. [2021-03-26 10:14:17,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 86 transitions, 704 flow [2021-03-26 10:14:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:14:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:14:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1182 transitions. [2021-03-26 10:14:17,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442857142857143 [2021-03-26 10:14:17,943 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1182 transitions. [2021-03-26 10:14:17,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1182 transitions. [2021-03-26 10:14:17,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:17,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1182 transitions. [2021-03-26 10:14:17,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 200.0) internal successors, (1600), 8 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,950 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 200.0) internal successors, (1600), 8 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:17,950 INFO L185 Difference]: Start difference. First operand has 70 places, 73 transitions, 582 flow. Second operand 7 states and 1182 transitions. [2021-03-26 10:14:17,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 86 transitions, 704 flow [2021-03-26 10:14:17,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 86 transitions, 695 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 10:14:17,958 INFO L241 Difference]: Finished difference. Result has 78 places, 80 transitions, 689 flow [2021-03-26 10:14:17,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=689, PETRI_PLACES=78, PETRI_TRANSITIONS=80} [2021-03-26 10:14:17,958 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 24 predicate places. [2021-03-26 10:14:17,959 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:17,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 80 transitions, 689 flow [2021-03-26 10:14:17,959 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 80 transitions, 689 flow [2021-03-26 10:14:17,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 80 transitions, 689 flow [2021-03-26 10:14:18,047 INFO L129 PetriNetUnfolder]: 358/780 cut-off events. [2021-03-26 10:14:18,047 INFO L130 PetriNetUnfolder]: For 3946/5490 co-relation queries the response was YES. [2021-03-26 10:14:18,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3842 conditions, 780 events. 358/780 cut-off events. For 3946/5490 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 5470 event pairs, 51 based on Foata normal form. 60/760 useless extension candidates. Maximal degree in co-relation 3812. Up to 448 conditions per place. [2021-03-26 10:14:18,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 1520 [2021-03-26 10:14:18,084 INFO L154 LiptonReduction]: Checked pairs total: 709 [2021-03-26 10:14:18,085 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:18,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-26 10:14:18,086 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 80 transitions, 689 flow [2021-03-26 10:14:18,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:18,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:18,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:14:18,087 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:18,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:18,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1206163128, now seen corresponding path program 1 times [2021-03-26 10:14:18,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:18,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120665291] [2021-03-26 10:14:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:18,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:18,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:18,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120665291] [2021-03-26 10:14:18,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:18,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:14:18,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568995465] [2021-03-26 10:14:18,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:14:18,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:18,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:14:18,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:14:18,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 200 [2021-03-26 10:14:18,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 80 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:18,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 200 [2021-03-26 10:14:18,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:18,306 INFO L129 PetriNetUnfolder]: 535/1103 cut-off events. [2021-03-26 10:14:18,306 INFO L130 PetriNetUnfolder]: For 6164/8749 co-relation queries the response was YES. [2021-03-26 10:14:18,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5516 conditions, 1103 events. 535/1103 cut-off events. For 6164/8749 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 7871 event pairs, 76 based on Foata normal form. 104/1060 useless extension candidates. Maximal degree in co-relation 5484. Up to 720 conditions per place. [2021-03-26 10:14:18,322 INFO L132 encePairwiseOnDemand]: 197/200 looper letters, 3 selfloop transitions, 3 changer transitions 0/80 dead transitions. [2021-03-26 10:14:18,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 80 transitions, 701 flow [2021-03-26 10:14:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:14:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:14:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2021-03-26 10:14:18,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.885 [2021-03-26 10:14:18,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2021-03-26 10:14:18,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2021-03-26 10:14:18,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:18,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2021-03-26 10:14:18,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,328 INFO L185 Difference]: Start difference. First operand has 78 places, 80 transitions, 689 flow. Second operand 3 states and 531 transitions. [2021-03-26 10:14:18,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 80 transitions, 701 flow [2021-03-26 10:14:18,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 80 transitions, 651 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 10:14:18,343 INFO L241 Difference]: Finished difference. Result has 78 places, 80 transitions, 650 flow [2021-03-26 10:14:18,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=78, PETRI_TRANSITIONS=80} [2021-03-26 10:14:18,344 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 24 predicate places. [2021-03-26 10:14:18,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:18,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 80 transitions, 650 flow [2021-03-26 10:14:18,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 80 transitions, 650 flow [2021-03-26 10:14:18,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 80 transitions, 650 flow [2021-03-26 10:14:18,453 INFO L129 PetriNetUnfolder]: 540/1113 cut-off events. [2021-03-26 10:14:18,453 INFO L130 PetriNetUnfolder]: For 5444/6218 co-relation queries the response was YES. [2021-03-26 10:14:18,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4928 conditions, 1113 events. 540/1113 cut-off events. For 5444/6218 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 8256 event pairs, 78 based on Foata normal form. 69/1044 useless extension candidates. Maximal degree in co-relation 4898. Up to 593 conditions per place. [2021-03-26 10:14:18,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 1520 [2021-03-26 10:14:18,505 INFO L154 LiptonReduction]: Checked pairs total: 772 [2021-03-26 10:14:18,505 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:14:18,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-26 10:14:18,507 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 80 transitions, 650 flow [2021-03-26 10:14:18,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:18,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:18,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:14:18,508 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:18,508 INFO L82 PathProgramCache]: Analyzing trace with hash 494074068, now seen corresponding path program 1 times [2021-03-26 10:14:18,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:18,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70993134] [2021-03-26 10:14:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:18,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:18,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:18,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:18,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:18,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70993134] [2021-03-26 10:14:18,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:18,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:14:18,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753338805] [2021-03-26 10:14:18,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:14:18,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:18,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:14:18,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:14:18,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 200 [2021-03-26 10:14:18,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 80 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:18,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 200 [2021-03-26 10:14:18,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:18,794 INFO L129 PetriNetUnfolder]: 555/1119 cut-off events. [2021-03-26 10:14:18,794 INFO L130 PetriNetUnfolder]: For 6639/14098 co-relation queries the response was YES. [2021-03-26 10:14:18,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4997 conditions, 1119 events. 555/1119 cut-off events. For 6639/14098 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 7842 event pairs, 7 based on Foata normal form. 604/1524 useless extension candidates. Maximal degree in co-relation 4965. Up to 601 conditions per place. [2021-03-26 10:14:18,805 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 10 selfloop transitions, 28 changer transitions 4/90 dead transitions. [2021-03-26 10:14:18,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 803 flow [2021-03-26 10:14:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:14:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:14:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1520 transitions. [2021-03-26 10:14:18,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-03-26 10:14:18,810 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1520 transitions. [2021-03-26 10:14:18,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1520 transitions. [2021-03-26 10:14:18,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:18,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1520 transitions. [2021-03-26 10:14:18,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 168.88888888888889) internal successors, (1520), 9 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 200.0) internal successors, (2000), 10 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,821 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 200.0) internal successors, (2000), 10 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,821 INFO L185 Difference]: Start difference. First operand has 78 places, 80 transitions, 650 flow. Second operand 9 states and 1520 transitions. [2021-03-26 10:14:18,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 803 flow [2021-03-26 10:14:18,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 90 transitions, 758 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 10:14:18,836 INFO L241 Difference]: Finished difference. Result has 83 places, 83 transitions, 720 flow [2021-03-26 10:14:18,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=720, PETRI_PLACES=83, PETRI_TRANSITIONS=83} [2021-03-26 10:14:18,836 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 29 predicate places. [2021-03-26 10:14:18,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:18,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 83 transitions, 720 flow [2021-03-26 10:14:18,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 83 transitions, 720 flow [2021-03-26 10:14:18,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 83 transitions, 720 flow [2021-03-26 10:14:18,900 INFO L129 PetriNetUnfolder]: 317/719 cut-off events. [2021-03-26 10:14:18,900 INFO L130 PetriNetUnfolder]: For 4680/6281 co-relation queries the response was YES. [2021-03-26 10:14:18,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 719 events. 317/719 cut-off events. For 4680/6281 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 5218 event pairs, 10 based on Foata normal form. 22/628 useless extension candidates. Maximal degree in co-relation 3621. Up to 386 conditions per place. [2021-03-26 10:14:18,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 1614 [2021-03-26 10:14:18,965 INFO L154 LiptonReduction]: Checked pairs total: 1863 [2021-03-26 10:14:18,965 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:14:18,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 10:14:18,965 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 694 flow [2021-03-26 10:14:18,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:18,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:18,966 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:18,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:14:18,966 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:18,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1049525447, now seen corresponding path program 1 times [2021-03-26 10:14:18,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:18,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441864756] [2021-03-26 10:14:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:19,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:19,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:19,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441864756] [2021-03-26 10:14:19,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:19,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:14:19,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463026590] [2021-03-26 10:14:19,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:14:19,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:19,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:14:19,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:14:19,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 200 [2021-03-26 10:14:19,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 694 flow. Second operand has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:19,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:19,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 200 [2021-03-26 10:14:19,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:19,154 INFO L129 PetriNetUnfolder]: 317/600 cut-off events. [2021-03-26 10:14:19,154 INFO L130 PetriNetUnfolder]: For 3098/5489 co-relation queries the response was YES. [2021-03-26 10:14:19,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2825 conditions, 600 events. 317/600 cut-off events. For 3098/5489 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 3207 event pairs, 0 based on Foata normal form. 133/616 useless extension candidates. Maximal degree in co-relation 2792. Up to 333 conditions per place. [2021-03-26 10:14:19,161 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 6 selfloop transitions, 18 changer transitions 5/77 dead transitions. [2021-03-26 10:14:19,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 77 transitions, 684 flow [2021-03-26 10:14:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:14:19,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:14:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1343 transitions. [2021-03-26 10:14:19,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.839375 [2021-03-26 10:14:19,165 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1343 transitions. [2021-03-26 10:14:19,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1343 transitions. [2021-03-26 10:14:19,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:19,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1343 transitions. [2021-03-26 10:14:19,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 167.875) internal successors, (1343), 8 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:19,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 200.0) internal successors, (1800), 9 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:19,196 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 200.0) internal successors, (1800), 9 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:19,196 INFO L185 Difference]: Start difference. First operand has 83 places, 80 transitions, 694 flow. Second operand 8 states and 1343 transitions. [2021-03-26 10:14:19,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 77 transitions, 684 flow [2021-03-26 10:14:19,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 77 transitions, 588 flow, removed 37 selfloop flow, removed 9 redundant places. [2021-03-26 10:14:19,206 INFO L241 Difference]: Finished difference. Result has 76 places, 69 transitions, 534 flow [2021-03-26 10:14:19,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=534, PETRI_PLACES=76, PETRI_TRANSITIONS=69} [2021-03-26 10:14:19,206 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 22 predicate places. [2021-03-26 10:14:19,206 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:19,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 69 transitions, 534 flow [2021-03-26 10:14:19,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 69 transitions, 534 flow [2021-03-26 10:14:19,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 69 transitions, 534 flow [2021-03-26 10:14:19,231 INFO L129 PetriNetUnfolder]: 119/287 cut-off events. [2021-03-26 10:14:19,232 INFO L130 PetriNetUnfolder]: For 813/964 co-relation queries the response was YES. [2021-03-26 10:14:19,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 287 events. 119/287 cut-off events. For 813/964 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1528 event pairs, 2 based on Foata normal form. 3/253 useless extension candidates. Maximal degree in co-relation 1179. Up to 101 conditions per place. [2021-03-26 10:14:19,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 986 [2021-03-26 10:14:19,844 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-03-26 10:14:20,053 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-03-26 10:14:21,332 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 337 DAG size of output: 260 [2021-03-26 10:14:21,899 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 10:14:22,139 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 10:14:22,356 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 10:14:22,909 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:14:23,452 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:14:23,463 INFO L154 LiptonReduction]: Checked pairs total: 2006 [2021-03-26 10:14:23,464 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:14:23,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4258 [2021-03-26 10:14:23,464 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 66 transitions, 518 flow [2021-03-26 10:14:23,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 164.85714285714286) internal successors, (1154), 7 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:23,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:23,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:14:23,465 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:23,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1302667467, now seen corresponding path program 1 times [2021-03-26 10:14:23,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:23,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820827734] [2021-03-26 10:14:23,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:23,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:14:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:14:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:23,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820827734] [2021-03-26 10:14:23,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:23,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:14:23,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419575436] [2021-03-26 10:14:23,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:14:23,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:23,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:14:23,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:14:23,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 202 [2021-03-26 10:14:23,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 518 flow. Second operand has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:23,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 202 [2021-03-26 10:14:23,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:23,608 INFO L129 PetriNetUnfolder]: 256/557 cut-off events. [2021-03-26 10:14:23,608 INFO L130 PetriNetUnfolder]: For 2918/3493 co-relation queries the response was YES. [2021-03-26 10:14:23,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 557 events. 256/557 cut-off events. For 2918/3493 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3380 event pairs, 0 based on Foata normal form. 39/512 useless extension candidates. Maximal degree in co-relation 2249. Up to 196 conditions per place. [2021-03-26 10:14:23,613 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 3 selfloop transitions, 1 changer transitions 1/67 dead transitions. [2021-03-26 10:14:23,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 67 transitions, 530 flow [2021-03-26 10:14:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:14:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:14:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 702 transitions. [2021-03-26 10:14:23,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8688118811881188 [2021-03-26 10:14:23,616 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 702 transitions. [2021-03-26 10:14:23,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 702 transitions. [2021-03-26 10:14:23,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:23,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 702 transitions. [2021-03-26 10:14:23,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.5) internal successors, (702), 4 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,620 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,620 INFO L185 Difference]: Start difference. First operand has 72 places, 66 transitions, 518 flow. Second operand 4 states and 702 transitions. [2021-03-26 10:14:23,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 67 transitions, 530 flow [2021-03-26 10:14:23,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 461 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-26 10:14:23,630 INFO L241 Difference]: Finished difference. Result has 69 places, 66 transitions, 456 flow [2021-03-26 10:14:23,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2021-03-26 10:14:23,630 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 15 predicate places. [2021-03-26 10:14:23,630 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:23,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 66 transitions, 456 flow [2021-03-26 10:14:23,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 66 transitions, 456 flow [2021-03-26 10:14:23,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 66 transitions, 456 flow [2021-03-26 10:14:23,658 INFO L129 PetriNetUnfolder]: 141/323 cut-off events. [2021-03-26 10:14:23,658 INFO L130 PetriNetUnfolder]: For 786/906 co-relation queries the response was YES. [2021-03-26 10:14:23,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 323 events. 141/323 cut-off events. For 786/906 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1753 event pairs, 2 based on Foata normal form. 19/301 useless extension candidates. Maximal degree in co-relation 1066. Up to 98 conditions per place. [2021-03-26 10:14:23,662 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-26 10:14:23,723 INFO L154 LiptonReduction]: Checked pairs total: 812 [2021-03-26 10:14:23,723 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:14:23,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-26 10:14:23,724 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 457 flow [2021-03-26 10:14:23,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:23,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:23,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:14:23,725 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:23,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1988630677, now seen corresponding path program 1 times [2021-03-26 10:14:23,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:23,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113916608] [2021-03-26 10:14:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:14:23,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:14:23,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:14:23,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:14:23,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:14:23,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:14:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:14:23,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113916608] [2021-03-26 10:14:23,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:14:23,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:14:23,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940963427] [2021-03-26 10:14:23,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:14:23,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:14:23,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:14:23,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:14:23,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 204 [2021-03-26 10:14:23,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 457 flow. Second operand has 6 states, 6 states have (on average 155.33333333333334) internal successors, (932), 6 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:14:23,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 204 [2021-03-26 10:14:23,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:14:23,959 INFO L129 PetriNetUnfolder]: 308/688 cut-off events. [2021-03-26 10:14:23,960 INFO L130 PetriNetUnfolder]: For 3006/3400 co-relation queries the response was YES. [2021-03-26 10:14:23,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2491 conditions, 688 events. 308/688 cut-off events. For 3006/3400 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4423 event pairs, 2 based on Foata normal form. 119/746 useless extension candidates. Maximal degree in co-relation 2464. Up to 200 conditions per place. [2021-03-26 10:14:23,965 INFO L132 encePairwiseOnDemand]: 199/204 looper letters, 13 selfloop transitions, 3 changer transitions 48/95 dead transitions. [2021-03-26 10:14:23,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 95 transitions, 865 flow [2021-03-26 10:14:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:14:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:14:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 946 transitions. [2021-03-26 10:14:23,968 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7728758169934641 [2021-03-26 10:14:23,968 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 946 transitions. [2021-03-26 10:14:23,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 946 transitions. [2021-03-26 10:14:23,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:14:23,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 946 transitions. [2021-03-26 10:14:23,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.66666666666666) internal successors, (946), 6 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,972 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:23,972 INFO L185 Difference]: Start difference. First operand has 67 places, 65 transitions, 457 flow. Second operand 6 states and 946 transitions. [2021-03-26 10:14:23,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 95 transitions, 865 flow [2021-03-26 10:14:23,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 95 transitions, 861 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:14:23,982 INFO L241 Difference]: Finished difference. Result has 72 places, 46 transitions, 317 flow [2021-03-26 10:14:23,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=317, PETRI_PLACES=72, PETRI_TRANSITIONS=46} [2021-03-26 10:14:23,982 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 18 predicate places. [2021-03-26 10:14:23,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:14:23,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 46 transitions, 317 flow [2021-03-26 10:14:23,983 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 46 transitions, 317 flow [2021-03-26 10:14:23,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 46 transitions, 317 flow [2021-03-26 10:14:24,020 INFO L129 PetriNetUnfolder]: 115/273 cut-off events. [2021-03-26 10:14:24,020 INFO L130 PetriNetUnfolder]: For 517/612 co-relation queries the response was YES. [2021-03-26 10:14:24,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 273 events. 115/273 cut-off events. For 517/612 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1494 event pairs, 2 based on Foata normal form. 20/261 useless extension candidates. Maximal degree in co-relation 905. Up to 102 conditions per place. [2021-03-26 10:14:24,024 INFO L142 LiptonReduction]: Number of co-enabled transitions 482 [2021-03-26 10:14:24,376 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2021-03-26 10:14:24,651 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 89 [2021-03-26 10:14:24,725 INFO L154 LiptonReduction]: Checked pairs total: 84 [2021-03-26 10:14:24,725 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:14:24,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 743 [2021-03-26 10:14:24,726 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 44 transitions, 320 flow [2021-03-26 10:14:24,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.33333333333334) internal successors, (932), 6 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:14:24,726 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:14:24,726 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:14:24,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:14:24,726 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:14:24,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:14:24,727 INFO L82 PathProgramCache]: Analyzing trace with hash 521207108, now seen corresponding path program 1 times [2021-03-26 10:14:24,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:14:24,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642896866] [2021-03-26 10:14:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:14:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:14:24,768 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:14:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:14:24,818 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:14:24,859 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:14:24,861 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:14:24,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:14:24,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:14:24 BasicIcfg [2021-03-26 10:14:24,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:14:24,955 INFO L168 Benchmark]: Toolchain (without parser) took 27771.59 ms. Allocated memory was 255.9 MB in the beginning and 792.7 MB in the end (delta: 536.9 MB). Free memory was 232.0 MB in the beginning and 565.6 MB in the end (delta: -333.5 MB). Peak memory consumption was 203.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,955 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 165.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:14:24,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.32 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 231.4 MB in the beginning and 337.8 MB in the end (delta: -106.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.81 ms. Allocated memory is still 379.6 MB. Free memory was 337.8 MB in the beginning and 335.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,956 INFO L168 Benchmark]: Boogie Preprocessor took 61.44 ms. Allocated memory is still 379.6 MB. Free memory was 335.2 MB in the beginning and 333.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,956 INFO L168 Benchmark]: RCFGBuilder took 1792.67 ms. Allocated memory is still 379.6 MB. Free memory was 332.3 MB in the beginning and 330.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,956 INFO L168 Benchmark]: TraceAbstraction took 25323.46 ms. Allocated memory was 379.6 MB in the beginning and 792.7 MB in the end (delta: 413.1 MB). Free memory was 329.0 MB in the beginning and 565.6 MB in the end (delta: -236.6 MB). Peak memory consumption was 176.6 MB. Max. memory is 16.0 GB. [2021-03-26 10:14:24,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 165.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 510.32 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 231.4 MB in the beginning and 337.8 MB in the end (delta: -106.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 78.81 ms. Allocated memory is still 379.6 MB. Free memory was 337.8 MB in the beginning and 335.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 61.44 ms. Allocated memory is still 379.6 MB. Free memory was 335.2 MB in the beginning and 333.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1792.67 ms. Allocated memory is still 379.6 MB. Free memory was 332.3 MB in the beginning and 330.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25323.46 ms. Allocated memory was 379.6 MB in the beginning and 792.7 MB in the end (delta: 413.1 MB). Free memory was 329.0 MB in the beginning and 565.6 MB in the end (delta: -236.6 MB). Peak memory consumption was 176.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8665.9ms, 121 PlacesBefore, 54 PlacesAfterwards, 110 TransitionsBefore, 42 TransitionsAfterwards, 2530 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 4698 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2138, positive: 2027, positive conditional: 2027, positive unconditional: 0, negative: 111, negative conditional: 111, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2138, positive: 2027, positive conditional: 0, positive unconditional: 2027, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2138, positive: 2027, positive conditional: 0, positive unconditional: 2027, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1641, positive: 1596, positive conditional: 0, positive unconditional: 1596, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1641, positive: 1582, positive conditional: 0, positive unconditional: 1582, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 875, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 835, negative conditional: 0, negative unconditional: 835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2138, positive: 431, positive conditional: 0, positive unconditional: 431, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 1641, unknown conditional: 0, unknown unconditional: 1641] , Statistics on independence cache: Total cache size (in pairs): 1641, Positive cache size: 1596, Positive conditional cache size: 0, Positive unconditional cache size: 1596, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3411.0ms, 50 PlacesBefore, 39 PlacesAfterwards, 35 TransitionsBefore, 28 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 4 FixpointIterations, 6 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 1868 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 456, positive: 351, positive conditional: 351, positive unconditional: 0, negative: 105, negative conditional: 105, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 456, positive: 351, positive conditional: 13, positive unconditional: 338, negative: 105, negative conditional: 4, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 456, positive: 351, positive conditional: 13, positive unconditional: 338, negative: 105, negative conditional: 4, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, positive: 61, positive conditional: 3, positive unconditional: 58, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 271, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 271, negative conditional: 48, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 456, positive: 290, positive conditional: 10, positive unconditional: 280, negative: 86, negative conditional: 2, negative unconditional: 84, unknown: 80, unknown conditional: 5, unknown unconditional: 75] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1657, Positive conditional cache size: 3, Positive unconditional cache size: 1654, Negative cache size: 64, Negative conditional cache size: 2, Negative unconditional cache size: 62, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1109.4ms, 40 PlacesBefore, 39 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 426 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 828 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 1735, Positive cache size: 1664, Positive conditional cache size: 3, Positive unconditional cache size: 1661, Negative cache size: 71, Negative conditional cache size: 2, Negative unconditional cache size: 69, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.6ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 200 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, positive: 39, positive conditional: 12, positive unconditional: 27, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 39, positive conditional: 12, positive unconditional: 27, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 65, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 34, positive conditional: 8, positive unconditional: 26, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1742, Positive cache size: 1669, Positive conditional cache size: 7, Positive unconditional cache size: 1662, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.8ms, 47 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 137, positive: 121, positive conditional: 11, positive unconditional: 110, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 121, positive conditional: 11, positive unconditional: 110, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 115, positive conditional: 11, positive unconditional: 104, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1748, Positive cache size: 1675, Positive conditional cache size: 7, Positive unconditional cache size: 1668, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 49 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 110, positive conditional: 9, positive unconditional: 101, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 110, positive conditional: 9, positive unconditional: 101, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 110, positive conditional: 9, positive unconditional: 101, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1748, Positive cache size: 1675, Positive conditional cache size: 7, Positive unconditional cache size: 1668, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1465.6ms, 57 PlacesBefore, 57 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 858 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1624 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 380, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 380, positive: 326, positive conditional: 109, positive unconditional: 217, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 380, positive: 326, positive conditional: 109, positive unconditional: 217, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 7, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 380, positive: 299, positive conditional: 102, positive unconditional: 197, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 27, unknown conditional: 7, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 1775, Positive cache size: 1702, Positive conditional cache size: 14, Positive unconditional cache size: 1688, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.7ms, 63 PlacesBefore, 63 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1063 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 261, positive: 226, positive conditional: 79, positive unconditional: 147, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 261, positive: 226, positive conditional: 79, positive unconditional: 147, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 261, positive: 221, positive conditional: 76, positive unconditional: 145, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1780, Positive cache size: 1707, Positive conditional cache size: 17, Positive unconditional cache size: 1690, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1285 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 459, positive: 418, positive conditional: 418, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 459, positive: 418, positive conditional: 184, positive unconditional: 234, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 459, positive: 418, positive conditional: 184, positive unconditional: 234, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 6, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 459, positive: 411, positive conditional: 178, positive unconditional: 233, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1787, Positive cache size: 1714, Positive conditional cache size: 23, Positive unconditional cache size: 1691, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 179.3ms, 70 PlacesBefore, 70 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 1302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 586 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 288, positive: 273, positive conditional: 146, positive unconditional: 127, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 288, positive: 273, positive conditional: 146, positive unconditional: 127, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 288, positive: 270, positive conditional: 143, positive unconditional: 127, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1790, Positive cache size: 1717, Positive conditional cache size: 26, Positive unconditional cache size: 1691, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.7ms, 78 PlacesBefore, 78 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 709 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, positive: 404, positive conditional: 404, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 421, positive: 404, positive conditional: 260, positive unconditional: 144, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 421, positive: 404, positive conditional: 260, positive unconditional: 144, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 10, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 421, positive: 386, positive conditional: 250, positive unconditional: 136, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 18, unknown conditional: 10, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 1808, Positive cache size: 1735, Positive conditional cache size: 36, Positive unconditional cache size: 1699, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.7ms, 78 PlacesBefore, 78 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 772 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 416, positive: 398, positive conditional: 398, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 416, positive: 398, positive conditional: 251, positive unconditional: 147, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 416, positive: 398, positive conditional: 251, positive unconditional: 147, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 416, positive: 393, positive conditional: 246, positive unconditional: 147, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1813, Positive cache size: 1740, Positive conditional cache size: 41, Positive unconditional cache size: 1699, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.9ms, 83 PlacesBefore, 83 PlacesAfterwards, 83 TransitionsBefore, 80 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1863 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 685, positive: 647, positive conditional: 647, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 685, positive: 647, positive conditional: 523, positive unconditional: 124, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 685, positive: 647, positive conditional: 523, positive unconditional: 124, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 25, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 685, positive: 621, positive conditional: 498, positive unconditional: 123, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 26, unknown conditional: 25, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1839, Positive cache size: 1766, Positive conditional cache size: 66, Positive unconditional cache size: 1700, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 44 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4257.5ms, 76 PlacesBefore, 72 PlacesAfterwards, 69 TransitionsBefore, 66 TransitionsAfterwards, 986 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2006 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1422, positive: 1362, positive conditional: 1362, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1422, positive: 1362, positive conditional: 896, positive unconditional: 466, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1422, positive: 1362, positive conditional: 896, positive unconditional: 466, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1422, positive: 1348, positive conditional: 882, positive unconditional: 466, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1853, Positive cache size: 1780, Positive conditional cache size: 80, Positive unconditional cache size: 1700, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 196 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.5ms, 69 PlacesBefore, 67 PlacesAfterwards, 66 TransitionsBefore, 65 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 812 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 653, positive: 629, positive conditional: 384, positive unconditional: 245, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 653, positive: 629, positive conditional: 384, positive unconditional: 245, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 653, positive: 619, positive conditional: 383, positive unconditional: 236, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 10, unknown conditional: 1, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1790, Positive conditional cache size: 81, Positive unconditional cache size: 1709, Negative cache size: 73, Negative conditional cache size: 4, Negative unconditional cache size: 69, Eliminated conditions: 98 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 742.5ms, 72 PlacesBefore, 63 PlacesAfterwards, 46 TransitionsBefore, 44 TransitionsAfterwards, 482 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 84 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53, positive: 51, positive conditional: 35, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 51, positive conditional: 35, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, positive: 30, positive conditional: 20, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 22, unknown conditional: 15, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1885, Positive cache size: 1811, Positive conditional cache size: 96, Positive unconditional cache size: 1715, Negative cache size: 74, Negative conditional cache size: 4, Negative unconditional cache size: 70, Eliminated conditions: 10 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L841] 0 pthread_t t1433; [L842] FCALL, FORK 0 pthread_create(&t1433, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] 0 pthread_t t1434; [L844] FCALL, FORK 0 pthread_create(&t1434, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t1435; [L846] FCALL, FORK 0 pthread_create(&t1435, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] 0 pthread_t t1436; [L848] FCALL, FORK 0 pthread_create(&t1436, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L813] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L816] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 a = 1 [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L819] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L819] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L819] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L819] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L820] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L820] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L821] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L822] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L823] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L826] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 4 return 0; [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L854] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L854] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L855] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L856] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L857] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L858] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L862] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L863] 0 y$flush_delayed = weak$$choice2 [L864] 0 y$mem_tmp = y [L865] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L865] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L866] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L866] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L867] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L867] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L868] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L868] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L869] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L869] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L870] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L870] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L871] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L871] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L873] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L873] 0 y = y$flush_delayed ? y$mem_tmp : y [L874] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25118.1ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2424.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8740.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 45 SDslu, 36 SDs, 0 SdLazy, 463 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 542.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 547.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=12, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 43.2ms SsaConstructionTime, 522.8ms SatisfiabilityAnalysisTime, 1071.8ms InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...