/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix010_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:32:48,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:32:48,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:32:48,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:32:48,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:32:48,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:32:48,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:32:48,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:32:48,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:32:48,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:32:48,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:32:48,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:32:48,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:32:48,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:32:48,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:32:48,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:32:48,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:32:48,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:32:48,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:32:48,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:32:48,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:32:48,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:32:48,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:32:48,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:32:48,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:32:48,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:32:48,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:32:48,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:32:48,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 17:32:48,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:32:48,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:32:48,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:32:48,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:32:48,371 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:32:48,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:32:48,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:32:48,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:32:48,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:32:48,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:32:48,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:32:48,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:32:48,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:32:48,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:32:48,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:32:48,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:32:48,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:32:48,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:32:48,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:32:48,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:32:48,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:32:48,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:32:48,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:32:48,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:32:48,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:32:48,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:32:48,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:32:48,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:32:48,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:32:48,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:32:48,379 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:32:48,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:32:48,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:32:48,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:32:48,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:32:48,851 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:32:48,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010_pso.oepc.i [2021-04-28 17:32:48,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b723656f/bba4979404a9481d8152e11629f3c178/FLAG504e139c5 [2021-04-28 17:32:49,698 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:32:49,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010_pso.oepc.i [2021-04-28 17:32:49,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b723656f/bba4979404a9481d8152e11629f3c178/FLAG504e139c5 [2021-04-28 17:32:49,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b723656f/bba4979404a9481d8152e11629f3c178 [2021-04-28 17:32:49,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:32:50,001 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:32:50,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:32:50,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:32:50,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:32:50,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:32:49" (1/1) ... [2021-04-28 17:32:50,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f4a10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50, skipping insertion in model container [2021-04-28 17:32:50,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:32:49" (1/1) ... [2021-04-28 17:32:50,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:32:50,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:32:50,266 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/mix010_pso.oepc.i[949,962] [2021-04-28 17:32:50,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:32:50,534 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:32:50,549 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/mix010_pso.oepc.i[949,962] [2021-04-28 17:32:50,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:32:50,744 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:32:50,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50 WrapperNode [2021-04-28 17:32:50,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:32:50,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:32:50,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:32:50,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:32:50,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:32:50,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:32:50,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:32:50,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:32:50,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... [2021-04-28 17:32:50,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:32:50,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:32:50,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:32:50,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:32:50,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:32:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:32:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:32:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:32:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:32:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:32:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:32:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:32:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:32:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:32:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:32:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:32:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:32:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:32:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:32:50,973 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 17:32:53,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:32:53,245 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:32:53,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:32:53 BoogieIcfgContainer [2021-04-28 17:32:53,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:32:53,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:32:53,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:32:53,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:32:53,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:32:49" (1/3) ... [2021-04-28 17:32:53,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5318fd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:32:53, skipping insertion in model container [2021-04-28 17:32:53,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:32:50" (2/3) ... [2021-04-28 17:32:53,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5318fd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:32:53, skipping insertion in model container [2021-04-28 17:32:53,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:32:53" (3/3) ... [2021-04-28 17:32:53,256 INFO L111 eAbstractionObserver]: Analyzing ICFG mix010_pso.oepc.i [2021-04-28 17:32:53,263 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:32:53,268 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:32:53,269 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:32:53,310 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,310 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,310 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,310 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,311 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,312 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,312 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,318 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,319 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,324 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,324 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,351 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,351 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:32:53,361 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:32:53,385 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 17:32:53,411 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:32:53,411 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:32:53,411 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:32:53,411 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:32:53,411 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:32:53,412 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:32:53,412 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:32:53,412 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:32:53,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow [2021-04-28 17:32:53,474 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-04-28 17:32:53,474 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:32:53,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 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. 0/98 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-04-28 17:32:53,479 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow [2021-04-28 17:32:53,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 102 transitions, 213 flow [2021-04-28 17:32:53,488 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:32:53,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 102 transitions, 213 flow [2021-04-28 17:32:53,508 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 102 transitions, 213 flow [2021-04-28 17:32:53,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 213 flow [2021-04-28 17:32:53,536 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-04-28 17:32:53,537 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:32:53,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-04-28 17:32:53,542 INFO L146 LiptonReduction]: Number of co-enabled transitions 1966 [2021-04-28 17:32:56,633 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:32:56,749 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:32:57,386 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 17:32:57,611 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:33:00,130 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:33:00,250 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:33:00,502 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:00,747 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:11,939 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:13,202 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:33:17,627 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:17,740 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:33:17,847 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:17,953 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:18,060 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:18,166 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:33:18,615 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:18,810 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:19,006 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:19,203 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:19,699 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 17:33:19,948 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 17:33:20,520 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 17:33:20,778 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 17:33:20,983 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:33:21,180 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:33:21,387 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:33:21,590 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:33:21,778 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:21,964 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:22,148 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:22,331 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:33:22,852 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:33:22,996 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:33:23,138 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:33:23,320 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:33:23,437 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:23,556 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:23,670 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:23,790 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:33:23,993 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:33:24,196 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:33:24,395 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:33:24,591 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:33:24,765 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:33:24,943 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:33:25,118 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:33:25,289 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:33:25,829 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:25,995 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:26,159 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:26,351 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:26,509 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:26,666 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:26,826 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:26,988 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:27,180 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:33:27,365 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:33:27,558 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:33:27,744 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:33:28,265 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 17:33:28,514 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 17:33:29,028 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 17:33:29,286 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 17:33:29,518 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:29,753 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:29,990 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:30,221 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:30,385 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:30,531 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:30,689 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:30,843 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:33:31,050 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:31,259 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:31,462 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:31,666 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:31,782 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:31,905 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:32,037 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:32,165 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:33:32,273 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,380 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,487 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,596 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,706 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,815 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:32,925 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:33,047 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:33:33,257 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:33,464 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:33,671 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:33,892 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:34,057 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:34,220 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:34,384 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:34,552 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:33:34,759 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:34,976 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:35,187 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:35,398 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:33:35,509 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:33:35,625 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:33:35,742 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:33:35,854 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:33:35,987 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:33:36,109 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:33:36,236 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:33:36,368 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:33:36,520 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:36,687 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:36,836 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:36,986 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:33:37,152 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:33:37,322 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:33:37,491 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:33:37,661 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:33:37,813 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:37,960 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:38,114 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:38,268 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:33:38,328 INFO L158 LiptonReduction]: Checked pairs total: 18872 [2021-04-28 17:33:38,328 INFO L160 LiptonReduction]: Total number of compositions: 274 [2021-04-28 17:33:38,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44849 [2021-04-28 17:33:38,358 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2021-04-28 17:33:38,358 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:38,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:38,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 17:33:38,360 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:38,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1237197, now seen corresponding path program 1 times [2021-04-28 17:33:38,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:38,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967071377] [2021-04-28 17:33:38,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:38,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:38,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:38,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967071377] [2021-04-28 17:33:38,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:38,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:33:38,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826712883] [2021-04-28 17:33:38,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:33:38,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:38,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:33:38,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:33:38,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 379 [2021-04-28 17:33:38,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 133 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:38,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:38,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 379 [2021-04-28 17:33:38,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:38,938 INFO L129 PetriNetUnfolder]: 49/383 cut-off events. [2021-04-28 17:33:38,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:38,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 383 events. 49/383 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2869 event pairs, 38 based on Foata normal form. 35/162 useless extension candidates. Maximal degree in co-relation 415. Up to 65 conditions per place. [2021-04-28 17:33:38,953 INFO L132 encePairwiseOnDemand]: 356/379 looper letters, 9 selfloop transitions, 2 changer transitions 56/133 dead transitions. [2021-04-28 17:33:38,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 133 transitions, 331 flow [2021-04-28 17:33:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:33:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:33:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2021-04-28 17:33:38,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8065083553210203 [2021-04-28 17:33:38,994 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2021-04-28 17:33:38,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2021-04-28 17:33:39,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:39,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2021-04-28 17:33:39,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:39,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:39,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:39,046 INFO L185 Difference]: Start difference. First operand has 142 places, 133 transitions, 275 flow. Second operand 3 states and 917 transitions. [2021-04-28 17:33:39,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 133 transitions, 331 flow [2021-04-28 17:33:39,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 133 transitions, 328 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 17:33:39,057 INFO L241 Difference]: Finished difference. Result has 138 places, 73 transitions, 156 flow [2021-04-28 17:33:39,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=138, PETRI_TRANSITIONS=73} [2021-04-28 17:33:39,061 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -4 predicate places. [2021-04-28 17:33:39,061 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:39,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 73 transitions, 156 flow [2021-04-28 17:33:39,064 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 73 transitions, 156 flow [2021-04-28 17:33:39,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 73 transitions, 156 flow [2021-04-28 17:33:39,084 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 17:33:39,085 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:39,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 386 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:33:39,087 INFO L146 LiptonReduction]: Number of co-enabled transitions 2506 [2021-04-28 17:33:39,238 INFO L158 LiptonReduction]: Checked pairs total: 3212 [2021-04-28 17:33:39,238 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:39,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-04-28 17:33:39,243 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 73 transitions, 156 flow [2021-04-28 17:33:39,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:39,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:39,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:39,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:33:39,246 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:39,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1892303882, now seen corresponding path program 1 times [2021-04-28 17:33:39,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:39,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382525719] [2021-04-28 17:33:39,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:39,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:33:39,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:33:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:39,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382525719] [2021-04-28 17:33:39,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:39,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:33:39,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80093402] [2021-04-28 17:33:39,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:33:39,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:39,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:33:39,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:33:39,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 379 [2021-04-28 17:33:39,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 73 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:39,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:39,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 379 [2021-04-28 17:33:39,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:40,126 INFO L129 PetriNetUnfolder]: 1021/2849 cut-off events. [2021-04-28 17:33:40,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:40,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4568 conditions, 2849 events. 1021/2849 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 29850 event pairs, 324 based on Foata normal form. 0/1824 useless extension candidates. Maximal degree in co-relation 4559. Up to 1481 conditions per place. [2021-04-28 17:33:40,139 INFO L132 encePairwiseOnDemand]: 358/379 looper letters, 6 selfloop transitions, 4 changer transitions 50/101 dead transitions. [2021-04-28 17:33:40,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 101 transitions, 332 flow [2021-04-28 17:33:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:33:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:33:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 822 transitions. [2021-04-28 17:33:40,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7229551451187335 [2021-04-28 17:33:40,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 822 transitions. [2021-04-28 17:33:40,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 822 transitions. [2021-04-28 17:33:40,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:40,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 822 transitions. [2021-04-28 17:33:40,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,153 INFO L185 Difference]: Start difference. First operand has 82 places, 73 transitions, 156 flow. Second operand 3 states and 822 transitions. [2021-04-28 17:33:40,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 101 transitions, 332 flow [2021-04-28 17:33:40,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 101 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:33:40,156 INFO L241 Difference]: Finished difference. Result has 83 places, 51 transitions, 132 flow [2021-04-28 17:33:40,156 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=83, PETRI_TRANSITIONS=51} [2021-04-28 17:33:40,157 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -59 predicate places. [2021-04-28 17:33:40,157 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:40,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 51 transitions, 132 flow [2021-04-28 17:33:40,158 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 51 transitions, 132 flow [2021-04-28 17:33:40,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 132 flow [2021-04-28 17:33:40,189 INFO L129 PetriNetUnfolder]: 46/206 cut-off events. [2021-04-28 17:33:40,190 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:33:40,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 206 events. 46/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1180 event pairs, 32 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 291. Up to 81 conditions per place. [2021-04-28 17:33:40,196 INFO L146 LiptonReduction]: Number of co-enabled transitions 1414 [2021-04-28 17:33:40,213 INFO L158 LiptonReduction]: Checked pairs total: 941 [2021-04-28 17:33:40,213 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:40,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-04-28 17:33:40,215 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 132 flow [2021-04-28 17:33:40,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:40,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:40,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:33:40,217 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:40,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1732960686, now seen corresponding path program 1 times [2021-04-28 17:33:40,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:40,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449912064] [2021-04-28 17:33:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:40,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:40,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:40,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449912064] [2021-04-28 17:33:40,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:40,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:33:40,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479192596] [2021-04-28 17:33:40,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:33:40,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:40,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:33:40,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:33:40,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 379 [2021-04-28 17:33:40,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:40,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 379 [2021-04-28 17:33:40,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:40,329 INFO L129 PetriNetUnfolder]: 36/163 cut-off events. [2021-04-28 17:33:40,329 INFO L130 PetriNetUnfolder]: For 22/30 co-relation queries the response was YES. [2021-04-28 17:33:40,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 163 events. 36/163 cut-off events. For 22/30 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 830 event pairs, 20 based on Foata normal form. 5/112 useless extension candidates. Maximal degree in co-relation 251. Up to 66 conditions per place. [2021-04-28 17:33:40,331 INFO L132 encePairwiseOnDemand]: 376/379 looper letters, 1 selfloop transitions, 3 changer transitions 0/51 dead transitions. [2021-04-28 17:33:40,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 51 transitions, 140 flow [2021-04-28 17:33:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:33:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:33:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 832 transitions. [2021-04-28 17:33:40,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.731750219876869 [2021-04-28 17:33:40,335 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 832 transitions. [2021-04-28 17:33:40,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 832 transitions. [2021-04-28 17:33:40,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:40,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 832 transitions. [2021-04-28 17:33:40,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,343 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 132 flow. Second operand 3 states and 832 transitions. [2021-04-28 17:33:40,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 51 transitions, 140 flow [2021-04-28 17:33:40,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 51 transitions, 136 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:33:40,346 INFO L241 Difference]: Finished difference. Result has 60 places, 51 transitions, 139 flow [2021-04-28 17:33:40,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=60, PETRI_TRANSITIONS=51} [2021-04-28 17:33:40,347 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -82 predicate places. [2021-04-28 17:33:40,347 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:40,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 51 transitions, 139 flow [2021-04-28 17:33:40,347 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 51 transitions, 139 flow [2021-04-28 17:33:40,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 51 transitions, 139 flow [2021-04-28 17:33:40,377 INFO L129 PetriNetUnfolder]: 36/187 cut-off events. [2021-04-28 17:33:40,377 INFO L130 PetriNetUnfolder]: For 17/18 co-relation queries the response was YES. [2021-04-28 17:33:40,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 187 events. 36/187 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1069 event pairs, 26 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 278. Up to 66 conditions per place. [2021-04-28 17:33:40,382 INFO L146 LiptonReduction]: Number of co-enabled transitions 1408 [2021-04-28 17:33:40,388 INFO L158 LiptonReduction]: Checked pairs total: 939 [2021-04-28 17:33:40,388 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:40,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-04-28 17:33:40,390 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 51 transitions, 139 flow [2021-04-28 17:33:40,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:40,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:40,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:33:40,392 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:40,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:40,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1732942179, now seen corresponding path program 1 times [2021-04-28 17:33:40,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:40,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694671630] [2021-04-28 17:33:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:40,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:40,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:33:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:33:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:40,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694671630] [2021-04-28 17:33:40,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:40,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:33:40,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896688216] [2021-04-28 17:33:40,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:33:40,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:40,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:33:40,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:33:40,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 379 [2021-04-28 17:33:40,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 139 flow. Second operand has 4 states, 4 states have (on average 255.75) internal successors, (1023), 4 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:40,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 379 [2021-04-28 17:33:40,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:40,545 INFO L129 PetriNetUnfolder]: 28/119 cut-off events. [2021-04-28 17:33:40,545 INFO L130 PetriNetUnfolder]: For 34/58 co-relation queries the response was YES. [2021-04-28 17:33:40,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 119 events. 28/119 cut-off events. For 34/58 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 544 event pairs, 4 based on Foata normal form. 2/83 useless extension candidates. Maximal degree in co-relation 247. Up to 54 conditions per place. [2021-04-28 17:33:40,547 INFO L132 encePairwiseOnDemand]: 376/379 looper letters, 10 selfloop transitions, 3 changer transitions 0/54 dead transitions. [2021-04-28 17:33:40,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 54 transitions, 180 flow [2021-04-28 17:33:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:33:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:33:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-04-28 17:33:40,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6824978012313104 [2021-04-28 17:33:40,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-04-28 17:33:40,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-04-28 17:33:40,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:40,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-04-28 17:33:40,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,559 INFO L185 Difference]: Start difference. First operand has 60 places, 51 transitions, 139 flow. Second operand 3 states and 776 transitions. [2021-04-28 17:33:40,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 54 transitions, 180 flow [2021-04-28 17:33:40,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 54 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:33:40,562 INFO L241 Difference]: Finished difference. Result has 61 places, 51 transitions, 144 flow [2021-04-28 17:33:40,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2021-04-28 17:33:40,562 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -81 predicate places. [2021-04-28 17:33:40,562 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:40,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 51 transitions, 144 flow [2021-04-28 17:33:40,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 51 transitions, 144 flow [2021-04-28 17:33:40,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 51 transitions, 144 flow [2021-04-28 17:33:40,589 INFO L129 PetriNetUnfolder]: 28/163 cut-off events. [2021-04-28 17:33:40,590 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-04-28 17:33:40,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 163 events. 28/163 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 868 event pairs, 22 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 252. Up to 54 conditions per place. [2021-04-28 17:33:40,594 INFO L146 LiptonReduction]: Number of co-enabled transitions 1404 [2021-04-28 17:33:40,602 INFO L158 LiptonReduction]: Checked pairs total: 937 [2021-04-28 17:33:40,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:40,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-04-28 17:33:40,604 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 144 flow [2021-04-28 17:33:40,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 255.75) internal successors, (1023), 4 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:40,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:40,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:33:40,606 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:40,606 INFO L82 PathProgramCache]: Analyzing trace with hash 163309608, now seen corresponding path program 1 times [2021-04-28 17:33:40,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:40,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800462532] [2021-04-28 17:33:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:40,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:40,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:40,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:40,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:40,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:40,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:40,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:40,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800462532] [2021-04-28 17:33:40,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:40,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:33:40,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045918488] [2021-04-28 17:33:40,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:33:40,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:40,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:33:40,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:33:40,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 379 [2021-04-28 17:33:40,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:40,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:40,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 379 [2021-04-28 17:33:40,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:41,523 INFO L129 PetriNetUnfolder]: 4432/7818 cut-off events. [2021-04-28 17:33:41,523 INFO L130 PetriNetUnfolder]: For 207/225 co-relation queries the response was YES. [2021-04-28 17:33:41,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15771 conditions, 7818 events. 4432/7818 cut-off events. For 207/225 co-relation queries the response was YES. Maximal size of possible extension queue 1674. Compared 68042 event pairs, 471 based on Foata normal form. 124/2074 useless extension candidates. Maximal degree in co-relation 15758. Up to 4363 conditions per place. [2021-04-28 17:33:41,606 INFO L132 encePairwiseOnDemand]: 360/379 looper letters, 32 selfloop transitions, 22 changer transitions 0/81 dead transitions. [2021-04-28 17:33:41,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 81 transitions, 312 flow [2021-04-28 17:33:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:33:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:33:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 993 transitions. [2021-04-28 17:33:41,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6550131926121372 [2021-04-28 17:33:41,611 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 993 transitions. [2021-04-28 17:33:41,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 993 transitions. [2021-04-28 17:33:41,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:41,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 993 transitions. [2021-04-28 17:33:41,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.25) internal successors, (993), 4 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:41,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:41,622 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 379.0) internal successors, (1895), 5 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:41,623 INFO L185 Difference]: Start difference. First operand has 61 places, 51 transitions, 144 flow. Second operand 4 states and 993 transitions. [2021-04-28 17:33:41,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 81 transitions, 312 flow [2021-04-28 17:33:41,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 81 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:33:41,627 INFO L241 Difference]: Finished difference. Result has 64 places, 71 transitions, 297 flow [2021-04-28 17:33:41,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=297, PETRI_PLACES=64, PETRI_TRANSITIONS=71} [2021-04-28 17:33:41,628 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -78 predicate places. [2021-04-28 17:33:41,628 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:41,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 71 transitions, 297 flow [2021-04-28 17:33:41,629 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 71 transitions, 297 flow [2021-04-28 17:33:41,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 71 transitions, 297 flow [2021-04-28 17:33:42,080 INFO L129 PetriNetUnfolder]: 1744/4146 cut-off events. [2021-04-28 17:33:42,081 INFO L130 PetriNetUnfolder]: For 351/1503 co-relation queries the response was YES. [2021-04-28 17:33:42,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9485 conditions, 4146 events. 1744/4146 cut-off events. For 351/1503 co-relation queries the response was YES. Maximal size of possible extension queue 1023. Compared 43776 event pairs, 514 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 9472. Up to 3481 conditions per place. [2021-04-28 17:33:42,155 INFO L146 LiptonReduction]: Number of co-enabled transitions 1914 [2021-04-28 17:33:42,331 INFO L158 LiptonReduction]: Checked pairs total: 1264 [2021-04-28 17:33:42,332 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:42,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 704 [2021-04-28 17:33:42,334 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 71 transitions, 297 flow [2021-04-28 17:33:42,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:42,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:42,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:42,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:33:42,335 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1689104129, now seen corresponding path program 1 times [2021-04-28 17:33:42,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:42,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126438332] [2021-04-28 17:33:42,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:42,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:42,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:33:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:33:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:42,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126438332] [2021-04-28 17:33:42,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:42,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:33:42,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123330993] [2021-04-28 17:33:42,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:33:42,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:42,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:33:42,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:33:42,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 379 [2021-04-28 17:33:42,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 71 transitions, 297 flow. Second operand has 4 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:42,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:42,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 379 [2021-04-28 17:33:42,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:43,136 INFO L129 PetriNetUnfolder]: 3033/6455 cut-off events. [2021-04-28 17:33:43,136 INFO L130 PetriNetUnfolder]: For 1298/3484 co-relation queries the response was YES. [2021-04-28 17:33:43,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14612 conditions, 6455 events. 3033/6455 cut-off events. For 1298/3484 co-relation queries the response was YES. Maximal size of possible extension queue 1689. Compared 68615 event pairs, 948 based on Foata normal form. 70/1923 useless extension candidates. Maximal degree in co-relation 14597. Up to 5608 conditions per place. [2021-04-28 17:33:43,202 INFO L132 encePairwiseOnDemand]: 371/379 looper letters, 8 selfloop transitions, 12 changer transitions 0/80 dead transitions. [2021-04-28 17:33:43,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 80 transitions, 374 flow [2021-04-28 17:33:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:33:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:33:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1154 transitions. [2021-04-28 17:33:43,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6089709762532981 [2021-04-28 17:33:43,207 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1154 transitions. [2021-04-28 17:33:43,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1154 transitions. [2021-04-28 17:33:43,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:43,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1154 transitions. [2021-04-28 17:33:43,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 230.8) internal successors, (1154), 5 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) [2021-04-28 17:33:43,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:43,219 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:43,219 INFO L185 Difference]: Start difference. First operand has 64 places, 71 transitions, 297 flow. Second operand 5 states and 1154 transitions. [2021-04-28 17:33:43,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 80 transitions, 374 flow [2021-04-28 17:33:43,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 80 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:33:43,225 INFO L241 Difference]: Finished difference. Result has 69 places, 78 transitions, 362 flow [2021-04-28 17:33:43,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=362, PETRI_PLACES=69, PETRI_TRANSITIONS=78} [2021-04-28 17:33:43,225 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -73 predicate places. [2021-04-28 17:33:43,226 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:43,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 78 transitions, 362 flow [2021-04-28 17:33:43,226 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 78 transitions, 362 flow [2021-04-28 17:33:43,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 78 transitions, 362 flow [2021-04-28 17:33:43,914 INFO L129 PetriNetUnfolder]: 3131/6859 cut-off events. [2021-04-28 17:33:43,914 INFO L130 PetriNetUnfolder]: For 676/2594 co-relation queries the response was YES. [2021-04-28 17:33:43,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14785 conditions, 6859 events. 3131/6859 cut-off events. For 676/2594 co-relation queries the response was YES. Maximal size of possible extension queue 1527. Compared 77454 event pairs, 940 based on Foata normal form. 3/1960 useless extension candidates. Maximal degree in co-relation 14769. Up to 6013 conditions per place. [2021-04-28 17:33:44,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 2318 [2021-04-28 17:33:44,186 INFO L158 LiptonReduction]: Checked pairs total: 1401 [2021-04-28 17:33:44,187 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:44,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-04-28 17:33:44,190 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 362 flow [2021-04-28 17:33:44,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:44,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:44,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:44,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:33:44,191 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:44,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:44,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1664778003, now seen corresponding path program 1 times [2021-04-28 17:33:44,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:44,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713702179] [2021-04-28 17:33:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:44,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:44,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:44,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:44,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:44,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:44,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:44,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713702179] [2021-04-28 17:33:44,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:44,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:33:44,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150365268] [2021-04-28 17:33:44,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:33:44,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:44,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:33:44,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:33:44,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 379 [2021-04-28 17:33:44,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 78 transitions, 362 flow. Second operand has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:44,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:44,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 379 [2021-04-28 17:33:44,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:46,077 INFO L129 PetriNetUnfolder]: 7338/14284 cut-off events. [2021-04-28 17:33:46,077 INFO L130 PetriNetUnfolder]: For 3355/67215 co-relation queries the response was YES. [2021-04-28 17:33:46,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43507 conditions, 14284 events. 7338/14284 cut-off events. For 3355/67215 co-relation queries the response was YES. Maximal size of possible extension queue 3477. Compared 155901 event pairs, 12 based on Foata normal form. 215/4073 useless extension candidates. Maximal degree in co-relation 43489. Up to 11539 conditions per place. [2021-04-28 17:33:46,194 INFO L132 encePairwiseOnDemand]: 360/379 looper letters, 44 selfloop transitions, 31 changer transitions 0/109 dead transitions. [2021-04-28 17:33:46,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 109 transitions, 632 flow [2021-04-28 17:33:46,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:33:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:33:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1246 transitions. [2021-04-28 17:33:46,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6575197889182058 [2021-04-28 17:33:46,200 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1246 transitions. [2021-04-28 17:33:46,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1246 transitions. [2021-04-28 17:33:46,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:46,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1246 transitions. [2021-04-28 17:33:46,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 249.2) internal successors, (1246), 5 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:46,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:46,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:46,210 INFO L185 Difference]: Start difference. First operand has 69 places, 78 transitions, 362 flow. Second operand 5 states and 1246 transitions. [2021-04-28 17:33:46,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 109 transitions, 632 flow [2021-04-28 17:33:46,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 109 transitions, 632 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:33:46,216 INFO L241 Difference]: Finished difference. Result has 75 places, 98 transitions, 587 flow [2021-04-28 17:33:46,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=587, PETRI_PLACES=75, PETRI_TRANSITIONS=98} [2021-04-28 17:33:46,217 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -67 predicate places. [2021-04-28 17:33:46,217 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:46,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 98 transitions, 587 flow [2021-04-28 17:33:46,217 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 98 transitions, 587 flow [2021-04-28 17:33:46,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 98 transitions, 587 flow [2021-04-28 17:33:47,346 INFO L129 PetriNetUnfolder]: 5172/11877 cut-off events. [2021-04-28 17:33:47,347 INFO L130 PetriNetUnfolder]: For 10797/24452 co-relation queries the response was YES. [2021-04-28 17:33:47,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42950 conditions, 11877 events. 5172/11877 cut-off events. For 10797/24452 co-relation queries the response was YES. Maximal size of possible extension queue 2953. Compared 147418 event pairs, 69 based on Foata normal form. 7/3248 useless extension candidates. Maximal degree in co-relation 42930. Up to 9757 conditions per place. [2021-04-28 17:33:47,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 2746 [2021-04-28 17:33:47,771 INFO L158 LiptonReduction]: Checked pairs total: 2267 [2021-04-28 17:33:47,771 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:47,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1554 [2021-04-28 17:33:47,773 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 98 transitions, 587 flow [2021-04-28 17:33:47,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:47,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:47,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:47,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:33:47,774 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1590904720, now seen corresponding path program 1 times [2021-04-28 17:33:47,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:47,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684638722] [2021-04-28 17:33:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:47,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:47,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:47,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:47,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:47,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:33:47,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:33:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:47,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684638722] [2021-04-28 17:33:47,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:47,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:33:47,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285862789] [2021-04-28 17:33:47,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:33:47,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:47,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:33:47,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:33:47,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 379 [2021-04-28 17:33:47,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 98 transitions, 587 flow. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:47,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:47,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 379 [2021-04-28 17:33:47,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:49,317 INFO L129 PetriNetUnfolder]: 7143/15403 cut-off events. [2021-04-28 17:33:49,317 INFO L130 PetriNetUnfolder]: For 22159/66713 co-relation queries the response was YES. [2021-04-28 17:33:49,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55386 conditions, 15403 events. 7143/15403 cut-off events. For 22159/66713 co-relation queries the response was YES. Maximal size of possible extension queue 4023. Compared 184793 event pairs, 117 based on Foata normal form. 77/4117 useless extension candidates. Maximal degree in co-relation 55364. Up to 12961 conditions per place. [2021-04-28 17:33:49,401 INFO L132 encePairwiseOnDemand]: 372/379 looper letters, 8 selfloop transitions, 9 changer transitions 6/103 dead transitions. [2021-04-28 17:33:49,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 103 transitions, 663 flow [2021-04-28 17:33:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:33:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:33:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1383 transitions. [2021-04-28 17:33:49,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6081794195250659 [2021-04-28 17:33:49,407 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1383 transitions. [2021-04-28 17:33:49,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1383 transitions. [2021-04-28 17:33:49,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:49,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1383 transitions. [2021-04-28 17:33:49,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:49,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:49,419 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:49,419 INFO L185 Difference]: Start difference. First operand has 75 places, 98 transitions, 587 flow. Second operand 6 states and 1383 transitions. [2021-04-28 17:33:49,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 103 transitions, 663 flow [2021-04-28 17:33:49,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 103 transitions, 622 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-04-28 17:33:49,506 INFO L241 Difference]: Finished difference. Result has 79 places, 95 transitions, 542 flow [2021-04-28 17:33:49,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=79, PETRI_TRANSITIONS=95} [2021-04-28 17:33:49,507 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -63 predicate places. [2021-04-28 17:33:49,507 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:49,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 95 transitions, 542 flow [2021-04-28 17:33:49,508 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 95 transitions, 542 flow [2021-04-28 17:33:49,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 95 transitions, 542 flow [2021-04-28 17:33:50,317 INFO L129 PetriNetUnfolder]: 4750/10456 cut-off events. [2021-04-28 17:33:50,317 INFO L130 PetriNetUnfolder]: For 4241/21453 co-relation queries the response was YES. [2021-04-28 17:33:50,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32290 conditions, 10456 events. 4750/10456 cut-off events. For 4241/21453 co-relation queries the response was YES. Maximal size of possible extension queue 3345. Compared 123652 event pairs, 67 based on Foata normal form. 5/2593 useless extension candidates. Maximal degree in co-relation 32269. Up to 8227 conditions per place. [2021-04-28 17:33:50,436 INFO L146 LiptonReduction]: Number of co-enabled transitions 2432 [2021-04-28 17:33:50,599 INFO L158 LiptonReduction]: Checked pairs total: 6511 [2021-04-28 17:33:50,599 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 17:33:50,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1092 [2021-04-28 17:33:50,601 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 97 transitions, 562 flow [2021-04-28 17:33:50,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:50,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:50,602 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:50,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:33:50,602 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:50,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:50,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1348945054, now seen corresponding path program 1 times [2021-04-28 17:33:50,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:50,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592315183] [2021-04-28 17:33:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:50,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:50,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:50,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:50,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:50,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:50,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:50,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592315183] [2021-04-28 17:33:50,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:50,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:33:50,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388164216] [2021-04-28 17:33:50,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:33:50,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:50,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:33:50,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:33:50,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 381 [2021-04-28 17:33:50,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 97 transitions, 562 flow. Second operand has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:50,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:50,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 381 [2021-04-28 17:33:50,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:52,245 INFO L129 PetriNetUnfolder]: 6604/14378 cut-off events. [2021-04-28 17:33:52,246 INFO L130 PetriNetUnfolder]: For 8723/86197 co-relation queries the response was YES. [2021-04-28 17:33:52,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57852 conditions, 14378 events. 6604/14378 cut-off events. For 8723/86197 co-relation queries the response was YES. Maximal size of possible extension queue 3720. Compared 171910 event pairs, 3 based on Foata normal form. 200/3928 useless extension candidates. Maximal degree in co-relation 57829. Up to 10909 conditions per place. [2021-04-28 17:33:52,305 INFO L132 encePairwiseOnDemand]: 362/381 looper letters, 37 selfloop transitions, 29 changer transitions 21/111 dead transitions. [2021-04-28 17:33:52,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 111 transitions, 790 flow [2021-04-28 17:33:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:33:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:33:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1493 transitions. [2021-04-28 17:33:52,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6531058617672791 [2021-04-28 17:33:52,311 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1493 transitions. [2021-04-28 17:33:52,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1493 transitions. [2021-04-28 17:33:52,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:52,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1493 transitions. [2021-04-28 17:33:52,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.83333333333334) internal successors, (1493), 6 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:52,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:52,324 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:52,324 INFO L185 Difference]: Start difference. First operand has 81 places, 97 transitions, 562 flow. Second operand 6 states and 1493 transitions. [2021-04-28 17:33:52,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 111 transitions, 790 flow [2021-04-28 17:33:52,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 111 transitions, 743 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-04-28 17:33:52,378 INFO L241 Difference]: Finished difference. Result has 80 places, 88 transitions, 579 flow [2021-04-28 17:33:52,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=579, PETRI_PLACES=80, PETRI_TRANSITIONS=88} [2021-04-28 17:33:52,378 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -62 predicate places. [2021-04-28 17:33:52,379 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:52,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 88 transitions, 579 flow [2021-04-28 17:33:52,379 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 88 transitions, 579 flow [2021-04-28 17:33:52,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 88 transitions, 579 flow [2021-04-28 17:33:52,977 INFO L129 PetriNetUnfolder]: 3086/6595 cut-off events. [2021-04-28 17:33:52,978 INFO L130 PetriNetUnfolder]: For 20967/30377 co-relation queries the response was YES. [2021-04-28 17:33:52,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29116 conditions, 6595 events. 3086/6595 cut-off events. For 20967/30377 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 72196 event pairs, 5 based on Foata normal form. 0/1792 useless extension candidates. Maximal degree in co-relation 29097. Up to 5266 conditions per place. [2021-04-28 17:33:53,037 INFO L146 LiptonReduction]: Number of co-enabled transitions 1642 [2021-04-28 17:33:53,171 INFO L158 LiptonReduction]: Checked pairs total: 1828 [2021-04-28 17:33:53,171 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:33:53,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 793 [2021-04-28 17:33:53,173 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 88 transitions, 579 flow [2021-04-28 17:33:53,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:53,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:53,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:53,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:33:53,175 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:53,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:53,176 INFO L82 PathProgramCache]: Analyzing trace with hash 208419424, now seen corresponding path program 1 times [2021-04-28 17:33:53,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:53,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805135443] [2021-04-28 17:33:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:33:53,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:53,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:33:53,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:53,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:53,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:33:53,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:33:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:33:53,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805135443] [2021-04-28 17:33:53,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:33:53,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:33:53,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536234183] [2021-04-28 17:33:53,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:33:53,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:33:53,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:33:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:33:53,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 381 [2021-04-28 17:33:53,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 88 transitions, 579 flow. Second operand has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:53,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:33:53,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 381 [2021-04-28 17:33:53,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:33:54,304 INFO L129 PetriNetUnfolder]: 6166/12984 cut-off events. [2021-04-28 17:33:54,304 INFO L130 PetriNetUnfolder]: For 47826/70839 co-relation queries the response was YES. [2021-04-28 17:33:54,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57557 conditions, 12984 events. 6166/12984 cut-off events. For 47826/70839 co-relation queries the response was YES. Maximal size of possible extension queue 3483. Compared 147492 event pairs, 7 based on Foata normal form. 27/3474 useless extension candidates. Maximal degree in co-relation 57536. Up to 10531 conditions per place. [2021-04-28 17:33:54,355 INFO L132 encePairwiseOnDemand]: 378/381 looper letters, 3 selfloop transitions, 1 changer transitions 37/89 dead transitions. [2021-04-28 17:33:54,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 89 transitions, 596 flow [2021-04-28 17:33:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:33:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:33:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 982 transitions. [2021-04-28 17:33:54,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6443569553805775 [2021-04-28 17:33:54,359 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 982 transitions. [2021-04-28 17:33:54,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 982 transitions. [2021-04-28 17:33:54,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:33:54,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 982 transitions. [2021-04-28 17:33:54,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.5) internal successors, (982), 4 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:54,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 381.0) internal successors, (1905), 5 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:54,367 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 381.0) internal successors, (1905), 5 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:54,367 INFO L185 Difference]: Start difference. First operand has 73 places, 88 transitions, 579 flow. Second operand 4 states and 982 transitions. [2021-04-28 17:33:54,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 89 transitions, 596 flow [2021-04-28 17:33:56,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 89 transitions, 528 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-04-28 17:33:56,346 INFO L241 Difference]: Finished difference. Result has 75 places, 52 transitions, 307 flow [2021-04-28 17:33:56,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=307, PETRI_PLACES=75, PETRI_TRANSITIONS=52} [2021-04-28 17:33:56,346 INFO L343 CegarLoopForPetriNet]: 142 programPoint places, -67 predicate places. [2021-04-28 17:33:56,346 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:33:56,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 52 transitions, 307 flow [2021-04-28 17:33:56,347 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 52 transitions, 307 flow [2021-04-28 17:33:56,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 52 transitions, 307 flow [2021-04-28 17:33:56,369 INFO L129 PetriNetUnfolder]: 92/277 cut-off events. [2021-04-28 17:33:56,369 INFO L130 PetriNetUnfolder]: For 285/294 co-relation queries the response was YES. [2021-04-28 17:33:56,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 277 events. 92/277 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1622 event pairs, 2 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 990. Up to 109 conditions per place. [2021-04-28 17:33:56,371 INFO L146 LiptonReduction]: Number of co-enabled transitions 606 [2021-04-28 17:33:56,693 INFO L158 LiptonReduction]: Checked pairs total: 1313 [2021-04-28 17:33:56,694 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 17:33:56,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-04-28 17:33:56,695 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 310 flow [2021-04-28 17:33:56,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:33:56,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:33:56,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:33:56,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:33:56,696 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:33:56,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:33:56,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1798979345, now seen corresponding path program 1 times [2021-04-28 17:33:56,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:33:56,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11460765] [2021-04-28 17:33:56,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:33:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:33:56,800 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:33:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:33:56,901 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:33:56,961 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 17:33:56,961 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 17:33:56,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 17:33:57,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 05:33:57 BasicIcfg [2021-04-28 17:33:57,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 17:33:57,159 INFO L168 Benchmark]: Toolchain (without parser) took 67197.82 ms. Allocated memory was 304.1 MB in the beginning and 1.3 GB in the end (delta: 964.7 MB). Free memory was 277.3 MB in the beginning and 1.0 GB in the end (delta: -752.3 MB). Peak memory consumption was 213.9 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,159 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 304.1 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 17:33:57,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.17 ms. Allocated memory is still 304.1 MB. Free memory was 274.0 MB in the beginning and 268.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.50 ms. Allocated memory is still 304.1 MB. Free memory was 268.2 MB in the beginning and 265.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,160 INFO L168 Benchmark]: Boogie Preprocessor took 62.66 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 262.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,161 INFO L168 Benchmark]: RCFGBuilder took 2367.55 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 262.9 MB in the beginning and 270.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 162.0 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,161 INFO L168 Benchmark]: TraceAbstraction took 63908.57 ms. Allocated memory was 364.9 MB in the beginning and 1.3 GB in the end (delta: 903.9 MB). Free memory was 269.7 MB in the beginning and 1.0 GB in the end (delta: -759.8 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:33:57,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 304.1 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 742.17 ms. Allocated memory is still 304.1 MB. Free memory was 274.0 MB in the beginning and 268.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.50 ms. Allocated memory is still 304.1 MB. Free memory was 268.2 MB in the beginning and 265.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 62.66 ms. Allocated memory is still 304.1 MB. Free memory was 265.0 MB in the beginning and 262.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2367.55 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 262.9 MB in the beginning and 270.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 162.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 63908.57 ms. Allocated memory was 364.9 MB in the beginning and 1.3 GB in the end (delta: 903.9 MB). Free memory was 269.7 MB in the beginning and 1.0 GB in the end (delta: -759.8 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44820.0ms, 110 PlacesBefore, 142 PlacesAfterwards, 102 TransitionsBefore, 133 TransitionsAfterwards, 1966 CoEnabledTransitionPairs, 8 FixpointIterations, 170 TrivialSequentialCompositions, 102 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 274 TotalNumberOfCompositions, 18872 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5130, positive: 4837, positive conditional: 4837, positive unconditional: 0, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2231, positive: 2143, positive conditional: 0, positive unconditional: 2143, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2231, positive: 2143, positive conditional: 0, positive unconditional: 2143, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2231, positive: 2137, positive conditional: 0, positive unconditional: 2137, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 94, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1360, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 1348, negative conditional: 0, negative unconditional: 1348, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5130, positive: 2694, positive conditional: 2694, positive unconditional: 0, negative: 205, negative conditional: 205, negative unconditional: 0, unknown: 2231, unknown conditional: 2231, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2142, Positive conditional cache size: 2142, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.8ms, 138 PlacesBefore, 82 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 2506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3212 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 462, positive: 376, positive conditional: 376, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, positive: 134, positive conditional: 26, positive unconditional: 108, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, positive: 134, positive conditional: 26, positive unconditional: 108, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, positive: 134, positive conditional: 0, positive unconditional: 134, 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: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 462, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2383, Positive cache size: 2276, Positive conditional cache size: 2276, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.1ms, 83 PlacesBefore, 58 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 941 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 67, positive conditional: 3, positive unconditional: 64, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 67, positive conditional: 3, positive unconditional: 64, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, positive: 67, positive conditional: 0, positive unconditional: 67, 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: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 6, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 252, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 69, unknown conditional: 69, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2452, Positive cache size: 2343, Positive conditional cache size: 2343, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 60 PlacesBefore, 60 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 939 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 243, positive: 216, positive conditional: 216, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 11, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 243, positive: 203, positive conditional: 203, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2465, Positive cache size: 2356, Positive conditional cache size: 2356, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.9ms, 61 PlacesBefore, 61 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 937 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 229, positive conditional: 229, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 11, positive unconditional: 4, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 256, positive: 214, positive conditional: 214, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2480, Positive cache size: 2371, Positive conditional cache size: 2371, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 703.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1264 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 174, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 16, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 16, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 174, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2521, Positive cache size: 2408, Positive conditional cache size: 2408, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 960.8ms, 69 PlacesBefore, 69 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1401 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 112, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2526, Positive cache size: 2412, Positive conditional cache size: 2412, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1553.9ms, 75 PlacesBefore, 75 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 2746 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2267 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 678, positive: 644, positive conditional: 644, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 52, positive conditional: 39, positive unconditional: 13, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, positive: 52, positive conditional: 39, positive unconditional: 13, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 678, positive: 592, positive conditional: 592, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 56, unknown conditional: 56, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2582, Positive cache size: 2464, Positive conditional cache size: 2464, Positive unconditional cache size: 0, Negative cache size: 118, Negative conditional cache size: 118, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1091.2ms, 79 PlacesBefore, 81 PlacesAfterwards, 95 TransitionsBefore, 97 TransitionsAfterwards, 2432 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6511 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1888, positive: 1789, positive conditional: 1789, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 86, positive conditional: 62, positive unconditional: 24, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 86, positive conditional: 62, positive unconditional: 24, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 86, positive conditional: 0, positive unconditional: 86, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1888, positive: 1703, positive conditional: 1703, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2669, Positive cache size: 2550, Positive conditional cache size: 2550, Positive unconditional cache size: 0, Negative cache size: 119, Negative conditional cache size: 119, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 792.0ms, 80 PlacesBefore, 73 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 1642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1828 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 669, positive: 638, positive conditional: 638, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 33, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 33, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 35, positive conditional: 0, positive unconditional: 35, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 669, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2705, Positive cache size: 2585, Positive conditional cache size: 2585, Positive unconditional cache size: 0, Negative cache size: 120, Negative conditional cache size: 120, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 346.7ms, 75 PlacesBefore, 63 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1313 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 197, positive: 143, positive conditional: 143, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 15, positive unconditional: 21, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 15, positive unconditional: 21, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, positive: 36, positive conditional: 0, positive unconditional: 36, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 197, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2743, Positive cache size: 2621, Positive conditional cache size: 2621, Positive unconditional cache size: 0, Negative cache size: 122, Negative conditional cache size: 122, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L722] 0 _Bool a$flush_delayed; [L723] 0 int a$mem_tmp; [L724] 0 _Bool a$r_buff0_thd0; [L725] 0 _Bool a$r_buff0_thd1; [L726] 0 _Bool a$r_buff0_thd2; [L727] 0 _Bool a$r_buff0_thd3; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$read_delayed; [L733] 0 int *a$read_delayed_var; [L734] 0 int a$w_buff0; [L735] 0 _Bool a$w_buff0_used; [L736] 0 int a$w_buff1; [L737] 0 _Bool a$w_buff1_used; [L738] 0 _Bool main$tmp_guard0; [L739] 0 _Bool main$tmp_guard1; [L741] 0 int x = 0; [L743] 0 int y = 0; [L745] 0 int z = 0; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L850] 0 pthread_t t263; [L851] FCALL, FORK 0 pthread_create(&t263, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L852] 0 pthread_t t264; [L853] FCALL, FORK 0 pthread_create(&t264, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L854] 0 pthread_t t265; [L855] FCALL, FORK 0 pthread_create(&t265, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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, z=0] [L751] 1 a$w_buff1 = a$w_buff0 [L752] 1 a$w_buff0 = 1 [L753] 1 a$w_buff1_used = a$w_buff0_used [L754] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L756] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L757] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L758] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L759] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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, z=0] [L780] 2 x = 1 [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, z=0] [L786] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, z=0] [L789] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, z=0] [L806] 3 z = 1 [L809] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, z=1] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 a$flush_delayed = weak$$choice2 [L815] 3 a$mem_tmp = a [L816] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L816] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L817] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L817] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L817] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L817] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L818] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L818] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L818] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L818] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L819] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L819] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L819] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L819] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L820] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L820] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L821] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L821] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L821] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L822] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L822] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EBX = a [L824] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L824] 3 a = a$flush_delayed ? a$mem_tmp : a [L825] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L828] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L828] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L829] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L829] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L830] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L830] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L831] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L831] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L832] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L832] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L835] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L837] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L3] COND FALSE 0 !(!cond) [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L861] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L861] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L862] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L862] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L863] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L863] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L864] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L864] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L865] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L865] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L868] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 104 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 63556.3ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 11256.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44932.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 58 SDslu, 44 SDs, 0 SdLazy, 282 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 517.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 196.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=587occurred in iteration=7, InterpolantAutomatonStates: 42, 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: 43.4ms SsaConstructionTime, 486.8ms SatisfiabilityAnalysisTime, 606.6ms InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...