/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix036_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:42:45,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:42:45,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:42:45,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:42:45,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:42:45,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:42:45,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:42:45,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:42:45,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:42:45,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:42:45,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:42:45,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:42:45,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:42:45,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:42:45,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:42:45,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:42:45,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:42:45,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:42:45,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:42:45,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:42:45,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:42:45,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:42:45,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:42:45,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:42:45,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 04:42:45,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:42:45,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:42:45,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:42:45,800 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-RepeatedVariableLbe.epf [2021-03-25 04:42:45,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:42:45,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:42:45,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:42:45,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:42:45,830 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:42:45,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:42:45,830 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:42:45,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:42:45,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:42:45,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:42:45,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:42:45,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:42:45,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:42:45,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:42:45,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:42:45,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:42:45,833 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:42:46,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:42:46,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:42:46,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:42:46,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:42:46,102 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:42:46,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_rmo.oepc.i [2021-03-25 04:42:46,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc610ee5/6056e2cc98de4ec09122af30e9588097/FLAG94dbf03d2 [2021-03-25 04:42:46,535 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:42:46,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_rmo.oepc.i [2021-03-25 04:42:46,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc610ee5/6056e2cc98de4ec09122af30e9588097/FLAG94dbf03d2 [2021-03-25 04:42:46,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc610ee5/6056e2cc98de4ec09122af30e9588097 [2021-03-25 04:42:46,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:42:46,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:42:46,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:42:46,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:42:46,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:42:46,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:42:46" (1/1) ... [2021-03-25 04:42:46,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ede4e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:46, skipping insertion in model container [2021-03-25 04:42:46,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:42:46" (1/1) ... [2021-03-25 04:42:46,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:42:46,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:42:47,102 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/mix036_rmo.oepc.i[949,962] [2021-03-25 04:42:47,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:42:47,265 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:42:47,272 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/mix036_rmo.oepc.i[949,962] [2021-03-25 04:42:47,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:42:47,339 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:42:47,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47 WrapperNode [2021-03-25 04:42:47,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:42:47,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:42:47,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:42:47,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:42:47,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:42:47,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:42:47,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:42:47,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:42:47,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... [2021-03-25 04:42:47,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:42:47,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:42:47,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:42:47,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:42:47,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:42:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:42:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:42:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:42:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:42:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:42:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:42:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:42:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:42:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:42:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:42:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:42:47,456 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:42:48,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:42:48,863 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:42:48,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:42:48 BoogieIcfgContainer [2021-03-25 04:42:48,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:42:48,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:42:48,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:42:48,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:42:48,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:42:46" (1/3) ... [2021-03-25 04:42:48,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52923d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:42:48, skipping insertion in model container [2021-03-25 04:42:48,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:42:47" (2/3) ... [2021-03-25 04:42:48,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52923d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:42:48, skipping insertion in model container [2021-03-25 04:42:48,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:42:48" (3/3) ... [2021-03-25 04:42:48,869 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_rmo.oepc.i [2021-03-25 04:42:48,873 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:42:48,876 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:42:48,877 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,903 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:42:48,938 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:42:48,950 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:42:48,963 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:42:48,963 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:42:48,963 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:42:48,963 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:42:48,963 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:42:48,963 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:42:48,963 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:42:48,964 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:42:48,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-03-25 04:42:48,996 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-03-25 04:42:48,996 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:49,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 04:42:49,000 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-03-25 04:42:49,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-03-25 04:42:49,004 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:49,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-03-25 04:42:49,011 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-03-25 04:42:49,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-03-25 04:42:49,026 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-03-25 04:42:49,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:49,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 04:42:49,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 2876 [2021-03-25 04:42:49,985 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:42:50,324 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-03-25 04:42:50,473 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 04:42:51,268 INFO L154 LiptonReduction]: Checked pairs total: 5389 [2021-03-25 04:42:51,268 INFO L156 LiptonReduction]: Total number of compositions: 78 [2021-03-25 04:42:51,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2268 [2021-03-25 04:42:51,280 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-25 04:42:51,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:51,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:51,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:51,281 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:51,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1113703675, now seen corresponding path program 1 times [2021-03-25 04:42:51,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:51,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041190210] [2021-03-25 04:42:51,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:51,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:51,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:51,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:51,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:51,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041190210] [2021-03-25 04:42:51,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:51,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:42:51,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367020926] [2021-03-25 04:42:51,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:42:51,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:51,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:42:51,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:42:51,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 199 [2021-03-25 04:42:51,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:51,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:51,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 199 [2021-03-25 04:42:51,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:51,641 INFO L129 PetriNetUnfolder]: 133/371 cut-off events. [2021-03-25 04:42:51,641 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:51,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 371 events. 133/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2040 event pairs, 110 based on Foata normal form. 33/376 useless extension candidates. Maximal degree in co-relation 567. Up to 153 conditions per place. [2021-03-25 04:42:51,648 INFO L132 encePairwiseOnDemand]: 195/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2021-03-25 04:42:51,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 140 flow [2021-03-25 04:42:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:42:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:42:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2021-03-25 04:42:51,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.916247906197655 [2021-03-25 04:42:51,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 547 transitions. [2021-03-25 04:42:51,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 547 transitions. [2021-03-25 04:42:51,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:51,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 547 transitions. [2021-03-25 04:42:51,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:51,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:51,681 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:51,682 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 110 flow. Second operand 3 states and 547 transitions. [2021-03-25 04:42:51,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 140 flow [2021-03-25 04:42:51,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 51 transitions, 136 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:42:51,686 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 104 flow [2021-03-25 04:42:51,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2021-03-25 04:42:51,688 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-25 04:42:51,688 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:51,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 46 transitions, 104 flow [2021-03-25 04:42:51,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 46 transitions, 104 flow [2021-03-25 04:42:51,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 104 flow [2021-03-25 04:42:51,697 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-03-25 04:42:51,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:51,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:42:51,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 618 [2021-03-25 04:42:52,555 INFO L154 LiptonReduction]: Checked pairs total: 2683 [2021-03-25 04:42:52,555 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 04:42:52,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 868 [2021-03-25 04:42:52,556 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 76 flow [2021-03-25 04:42:52,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:52,557 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:52,557 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:52,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:42:52,557 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash 460839235, now seen corresponding path program 1 times [2021-03-25 04:42:52,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:52,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676160255] [2021-03-25 04:42:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:52,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:52,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:52,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:52,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:52,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:42:52,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:42:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:52,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676160255] [2021-03-25 04:42:52,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:52,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:42:52,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045299021] [2021-03-25 04:42:52,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:42:52,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:52,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:42:52,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:42:52,663 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 213 [2021-03-25 04:42:52,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:52,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:52,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 213 [2021-03-25 04:42:52,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:52,681 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2021-03-25 04:42:52,681 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:52,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 42. Up to 3 conditions per place. [2021-03-25 04:42:52,682 INFO L132 encePairwiseOnDemand]: 209/213 looper letters, 1 selfloop transitions, 2 changer transitions 4/34 dead transitions. [2021-03-25 04:42:52,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 34 transitions, 92 flow [2021-03-25 04:42:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:42:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:42:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 942 transitions. [2021-03-25 04:42:52,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8845070422535212 [2021-03-25 04:42:52,684 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 942 transitions. [2021-03-25 04:42:52,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 942 transitions. [2021-03-25 04:42:52,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:52,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 942 transitions. [2021-03-25 04:42:52,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 188.4) internal successors, (942), 5 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:52,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:52,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:52,688 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 76 flow. Second operand 5 states and 942 transitions. [2021-03-25 04:42:52,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 34 transitions, 92 flow [2021-03-25 04:42:52,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 88 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:42:52,689 INFO L241 Difference]: Finished difference. Result has 46 places, 30 transitions, 76 flow [2021-03-25 04:42:52,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=76, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2021-03-25 04:42:52,690 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -15 predicate places. [2021-03-25 04:42:52,690 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:52,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 30 transitions, 76 flow [2021-03-25 04:42:52,690 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 30 transitions, 76 flow [2021-03-25 04:42:52,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 76 flow [2021-03-25 04:42:52,693 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 04:42:52,693 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:52,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:42:52,694 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-25 04:42:53,294 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:42:53,407 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:42:53,602 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:42:53,708 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:42:53,721 INFO L154 LiptonReduction]: Checked pairs total: 1444 [2021-03-25 04:42:53,721 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:42:53,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1031 [2021-03-25 04:42:53,722 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 70 flow [2021-03-25 04:42:53,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:53,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:53,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:42:53,722 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:53,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:53,723 INFO L82 PathProgramCache]: Analyzing trace with hash -79801966, now seen corresponding path program 1 times [2021-03-25 04:42:53,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:53,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139504954] [2021-03-25 04:42:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:53,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:53,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:53,838 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:42:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:42:53,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:53,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139504954] [2021-03-25 04:42:53,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:53,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:42:53,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42515705] [2021-03-25 04:42:53,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:42:53,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:53,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:42:53,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:42:53,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:42:53,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:53,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:42:53,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:53,904 INFO L129 PetriNetUnfolder]: 90/186 cut-off events. [2021-03-25 04:42:53,904 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:42:53,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 186 events. 90/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 796 event pairs, 46 based on Foata normal form. 16/199 useless extension candidates. Maximal degree in co-relation 358. Up to 119 conditions per place. [2021-03-25 04:42:53,907 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 5 changer transitions 9/40 dead transitions. [2021-03-25 04:42:53,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 40 transitions, 136 flow [2021-03-25 04:42:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:42:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:42:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 912 transitions. [2021-03-25 04:42:53,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-03-25 04:42:53,909 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 912 transitions. [2021-03-25 04:42:53,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 912 transitions. [2021-03-25 04:42:53,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:53,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 912 transitions. [2021-03-25 04:42:53,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 216.0) internal successors, (1296), 6 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,929 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 216.0) internal successors, (1296), 6 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,929 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 70 flow. Second operand 5 states and 912 transitions. [2021-03-25 04:42:53,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 40 transitions, 136 flow [2021-03-25 04:42:53,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 40 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:42:53,930 INFO L241 Difference]: Finished difference. Result has 44 places, 31 transitions, 111 flow [2021-03-25 04:42:53,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2021-03-25 04:42:53,930 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -17 predicate places. [2021-03-25 04:42:53,931 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:53,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 31 transitions, 111 flow [2021-03-25 04:42:53,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 31 transitions, 111 flow [2021-03-25 04:42:53,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 111 flow [2021-03-25 04:42:53,942 INFO L129 PetriNetUnfolder]: 73/152 cut-off events. [2021-03-25 04:42:53,943 INFO L130 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2021-03-25 04:42:53,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 152 events. 73/152 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 632 event pairs, 40 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 392. Up to 104 conditions per place. [2021-03-25 04:42:53,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 446 [2021-03-25 04:42:53,963 INFO L154 LiptonReduction]: Checked pairs total: 420 [2021-03-25 04:42:53,963 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:53,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-25 04:42:53,996 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 111 flow [2021-03-25 04:42:53,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:53,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:53,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:53,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:42:53,997 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:53,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:53,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1225209707, now seen corresponding path program 1 times [2021-03-25 04:42:53,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:53,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745004376] [2021-03-25 04:42:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,141 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:42:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:42:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:54,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745004376] [2021-03-25 04:42:54,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:54,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:42:54,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034188843] [2021-03-25 04:42:54,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:42:54,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:54,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:42:54,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:42:54,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:42:54,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:54,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:42:54,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:54,210 INFO L129 PetriNetUnfolder]: 66/149 cut-off events. [2021-03-25 04:42:54,210 INFO L130 PetriNetUnfolder]: For 102/123 co-relation queries the response was YES. [2021-03-25 04:42:54,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 149 events. 66/149 cut-off events. For 102/123 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 564 event pairs, 14 based on Foata normal form. 22/168 useless extension candidates. Maximal degree in co-relation 504. Up to 108 conditions per place. [2021-03-25 04:42:54,211 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 9 changer transitions 9/44 dead transitions. [2021-03-25 04:42:54,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 44 transitions, 235 flow [2021-03-25 04:42:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:42:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:42:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2021-03-25 04:42:54,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8441358024691358 [2021-03-25 04:42:54,214 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2021-03-25 04:42:54,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2021-03-25 04:42:54,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:54,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2021-03-25 04:42:54,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,219 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,219 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 111 flow. Second operand 6 states and 1094 transitions. [2021-03-25 04:42:54,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 44 transitions, 235 flow [2021-03-25 04:42:54,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 44 transitions, 228 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:42:54,222 INFO L241 Difference]: Finished difference. Result has 48 places, 35 transitions, 176 flow [2021-03-25 04:42:54,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=176, PETRI_PLACES=48, PETRI_TRANSITIONS=35} [2021-03-25 04:42:54,223 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -13 predicate places. [2021-03-25 04:42:54,223 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:54,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 35 transitions, 176 flow [2021-03-25 04:42:54,223 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 35 transitions, 176 flow [2021-03-25 04:42:54,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 35 transitions, 176 flow [2021-03-25 04:42:54,237 INFO L129 PetriNetUnfolder]: 49/117 cut-off events. [2021-03-25 04:42:54,238 INFO L130 PetriNetUnfolder]: For 209/225 co-relation queries the response was YES. [2021-03-25 04:42:54,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 117 events. 49/117 cut-off events. For 209/225 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 397 event pairs, 13 based on Foata normal form. 4/118 useless extension candidates. Maximal degree in co-relation 436. Up to 76 conditions per place. [2021-03-25 04:42:54,239 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 04:42:54,242 INFO L154 LiptonReduction]: Checked pairs total: 530 [2021-03-25 04:42:54,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:54,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-25 04:42:54,243 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 176 flow [2021-03-25 04:42:54,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:54,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:54,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:42:54,244 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:54,244 INFO L82 PathProgramCache]: Analyzing trace with hash 598660123, now seen corresponding path program 1 times [2021-03-25 04:42:54,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:54,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401566903] [2021-03-25 04:42:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,374 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:42:54,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:42:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:54,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401566903] [2021-03-25 04:42:54,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:54,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:42:54,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526533548] [2021-03-25 04:42:54,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:42:54,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:54,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:42:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:42:54,382 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:42:54,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:54,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:42:54,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:54,434 INFO L129 PetriNetUnfolder]: 36/97 cut-off events. [2021-03-25 04:42:54,434 INFO L130 PetriNetUnfolder]: For 217/267 co-relation queries the response was YES. [2021-03-25 04:42:54,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 97 events. 36/97 cut-off events. For 217/267 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 279 event pairs, 2 based on Foata normal form. 25/119 useless extension candidates. Maximal degree in co-relation 432. Up to 68 conditions per place. [2021-03-25 04:42:54,435 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 13 changer transitions 9/48 dead transitions. [2021-03-25 04:42:54,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 358 flow [2021-03-25 04:42:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:42:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:42:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1276 transitions. [2021-03-25 04:42:54,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.843915343915344 [2021-03-25 04:42:54,438 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1276 transitions. [2021-03-25 04:42:54,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1276 transitions. [2021-03-25 04:42:54,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:54,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1276 transitions. [2021-03-25 04:42:54,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 182.28571428571428) internal successors, (1276), 7 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 216.0) internal successors, (1728), 8 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,443 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 216.0) internal successors, (1728), 8 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,443 INFO L185 Difference]: Start difference. First operand has 46 places, 35 transitions, 176 flow. Second operand 7 states and 1276 transitions. [2021-03-25 04:42:54,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 358 flow [2021-03-25 04:42:54,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 48 transitions, 296 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-25 04:42:54,447 INFO L241 Difference]: Finished difference. Result has 51 places, 39 transitions, 226 flow [2021-03-25 04:42:54,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=226, PETRI_PLACES=51, PETRI_TRANSITIONS=39} [2021-03-25 04:42:54,447 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -10 predicate places. [2021-03-25 04:42:54,448 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:54,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 39 transitions, 226 flow [2021-03-25 04:42:54,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 39 transitions, 226 flow [2021-03-25 04:42:54,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 226 flow [2021-03-25 04:42:54,456 INFO L129 PetriNetUnfolder]: 25/75 cut-off events. [2021-03-25 04:42:54,456 INFO L130 PetriNetUnfolder]: For 139/155 co-relation queries the response was YES. [2021-03-25 04:42:54,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 75 events. 25/75 cut-off events. For 139/155 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 2 based on Foata normal form. 4/76 useless extension candidates. Maximal degree in co-relation 271. Up to 42 conditions per place. [2021-03-25 04:42:54,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-25 04:42:54,459 INFO L154 LiptonReduction]: Checked pairs total: 572 [2021-03-25 04:42:54,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:54,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 04:42:54,462 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 226 flow [2021-03-25 04:42:54,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:54,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:54,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:42:54,464 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:54,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:54,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1278353626, now seen corresponding path program 1 times [2021-03-25 04:42:54,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:54,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052056052] [2021-03-25 04:42:54,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,540 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:42:54,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:42:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:54,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052056052] [2021-03-25 04:42:54,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:54,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:42:54,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184659135] [2021-03-25 04:42:54,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:42:54,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:54,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:42:54,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:42:54,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 216 [2021-03-25 04:42:54,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 226 flow. Second operand has 5 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:54,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 216 [2021-03-25 04:42:54,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:54,629 INFO L129 PetriNetUnfolder]: 151/377 cut-off events. [2021-03-25 04:42:54,629 INFO L130 PetriNetUnfolder]: For 649/732 co-relation queries the response was YES. [2021-03-25 04:42:54,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1249 conditions, 377 events. 151/377 cut-off events. For 649/732 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2110 event pairs, 8 based on Foata normal form. 33/392 useless extension candidates. Maximal degree in co-relation 1232. Up to 165 conditions per place. [2021-03-25 04:42:54,632 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 14 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2021-03-25 04:42:54,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 56 transitions, 316 flow [2021-03-25 04:42:54,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:42:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:42:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1064 transitions. [2021-03-25 04:42:54,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8209876543209876 [2021-03-25 04:42:54,635 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1064 transitions. [2021-03-25 04:42:54,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1064 transitions. [2021-03-25 04:42:54,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:54,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1064 transitions. [2021-03-25 04:42:54,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,639 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,639 INFO L185 Difference]: Start difference. First operand has 49 places, 39 transitions, 226 flow. Second operand 6 states and 1064 transitions. [2021-03-25 04:42:54,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 56 transitions, 316 flow [2021-03-25 04:42:54,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 56 transitions, 262 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-25 04:42:54,643 INFO L241 Difference]: Finished difference. Result has 52 places, 48 transitions, 240 flow [2021-03-25 04:42:54,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2021-03-25 04:42:54,643 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places. [2021-03-25 04:42:54,643 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:54,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 240 flow [2021-03-25 04:42:54,644 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 240 flow [2021-03-25 04:42:54,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 240 flow [2021-03-25 04:42:54,668 INFO L129 PetriNetUnfolder]: 126/315 cut-off events. [2021-03-25 04:42:54,669 INFO L130 PetriNetUnfolder]: For 409/469 co-relation queries the response was YES. [2021-03-25 04:42:54,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 315 events. 126/315 cut-off events. For 409/469 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1617 event pairs, 10 based on Foata normal form. 18/310 useless extension candidates. Maximal degree in co-relation 866. Up to 119 conditions per place. [2021-03-25 04:42:54,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 608 [2021-03-25 04:42:54,719 INFO L154 LiptonReduction]: Checked pairs total: 984 [2021-03-25 04:42:54,719 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:42:54,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-25 04:42:54,722 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 242 flow [2021-03-25 04:42:54,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:54,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:54,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:42:54,723 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:54,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1392129110, now seen corresponding path program 2 times [2021-03-25 04:42:54,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:54,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019738760] [2021-03-25 04:42:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:54,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:54,829 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:42:54,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:42:54,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:54,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:54,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019738760] [2021-03-25 04:42:54,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:54,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:42:54,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552224200] [2021-03-25 04:42:54,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:42:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:42:54,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:42:54,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 217 [2021-03-25 04:42:54,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 242 flow. Second operand has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:54,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 217 [2021-03-25 04:42:54,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:54,921 INFO L129 PetriNetUnfolder]: 79/219 cut-off events. [2021-03-25 04:42:54,921 INFO L130 PetriNetUnfolder]: For 353/513 co-relation queries the response was YES. [2021-03-25 04:42:54,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 219 events. 79/219 cut-off events. For 353/513 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1068 event pairs, 6 based on Foata normal form. 79/286 useless extension candidates. Maximal degree in co-relation 733. Up to 81 conditions per place. [2021-03-25 04:42:54,923 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 2 selfloop transitions, 18 changer transitions 10/53 dead transitions. [2021-03-25 04:42:54,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 53 transitions, 338 flow [2021-03-25 04:42:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:42:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:42:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1458 transitions. [2021-03-25 04:42:54,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8398617511520737 [2021-03-25 04:42:54,926 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1458 transitions. [2021-03-25 04:42:54,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1458 transitions. [2021-03-25 04:42:54,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:54,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1458 transitions. [2021-03-25 04:42:54,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 182.25) internal successors, (1458), 8 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 217.0) internal successors, (1953), 9 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,930 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 217.0) internal successors, (1953), 9 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:54,931 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 242 flow. Second operand 8 states and 1458 transitions. [2021-03-25 04:42:54,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 53 transitions, 338 flow [2021-03-25 04:42:54,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 314 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-25 04:42:54,934 INFO L241 Difference]: Finished difference. Result has 61 places, 43 transitions, 254 flow [2021-03-25 04:42:54,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=254, PETRI_PLACES=61, PETRI_TRANSITIONS=43} [2021-03-25 04:42:54,935 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 0 predicate places. [2021-03-25 04:42:54,935 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:54,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 43 transitions, 254 flow [2021-03-25 04:42:54,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 43 transitions, 254 flow [2021-03-25 04:42:54,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 43 transitions, 254 flow [2021-03-25 04:42:54,947 INFO L129 PetriNetUnfolder]: 48/145 cut-off events. [2021-03-25 04:42:54,947 INFO L130 PetriNetUnfolder]: For 211/236 co-relation queries the response was YES. [2021-03-25 04:42:54,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 145 events. 48/145 cut-off events. For 211/236 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 609 event pairs, 3 based on Foata normal form. 1/136 useless extension candidates. Maximal degree in co-relation 457. Up to 49 conditions per place. [2021-03-25 04:42:54,948 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-25 04:42:55,194 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-25 04:42:55,322 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-25 04:42:55,621 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-03-25 04:42:55,811 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-03-25 04:42:55,816 INFO L154 LiptonReduction]: Checked pairs total: 1062 [2021-03-25 04:42:55,817 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:42:55,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 882 [2021-03-25 04:42:55,817 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 40 transitions, 238 flow [2021-03-25 04:42:55,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:55,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:55,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:42:55,818 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:55,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:55,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1823903345, now seen corresponding path program 1 times [2021-03-25 04:42:55,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:55,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555455586] [2021-03-25 04:42:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:55,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:55,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:55,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:55,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555455586] [2021-03-25 04:42:55,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:55,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:42:55,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359248543] [2021-03-25 04:42:55,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:42:55,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:55,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:42:55,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:42:55,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 219 [2021-03-25 04:42:55,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 40 transitions, 238 flow. Second operand has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:55,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 219 [2021-03-25 04:42:55,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:55,920 INFO L129 PetriNetUnfolder]: 63/176 cut-off events. [2021-03-25 04:42:55,920 INFO L130 PetriNetUnfolder]: For 548/598 co-relation queries the response was YES. [2021-03-25 04:42:55,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 176 events. 63/176 cut-off events. For 548/598 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 821 event pairs, 6 based on Foata normal form. 11/176 useless extension candidates. Maximal degree in co-relation 563. Up to 60 conditions per place. [2021-03-25 04:42:55,921 INFO L132 encePairwiseOnDemand]: 216/219 looper letters, 4 selfloop transitions, 1 changer transitions 2/41 dead transitions. [2021-03-25 04:42:55,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 41 transitions, 258 flow [2021-03-25 04:42:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:42:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:42:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-03-25 04:42:55,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.860730593607306 [2021-03-25 04:42:55,923 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-03-25 04:42:55,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-03-25 04:42:55,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:55,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-03-25 04:42:55,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 188.5) internal successors, (754), 4 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,926 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,926 INFO L185 Difference]: Start difference. First operand has 55 places, 40 transitions, 238 flow. Second operand 4 states and 754 transitions. [2021-03-25 04:42:55,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 41 transitions, 258 flow [2021-03-25 04:42:55,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 200 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-03-25 04:42:55,929 INFO L241 Difference]: Finished difference. Result has 52 places, 39 transitions, 182 flow [2021-03-25 04:42:55,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=182, PETRI_PLACES=52, PETRI_TRANSITIONS=39} [2021-03-25 04:42:55,929 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places. [2021-03-25 04:42:55,929 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:55,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 182 flow [2021-03-25 04:42:55,929 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 182 flow [2021-03-25 04:42:55,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 182 flow [2021-03-25 04:42:55,937 INFO L129 PetriNetUnfolder]: 37/111 cut-off events. [2021-03-25 04:42:55,937 INFO L130 PetriNetUnfolder]: For 111/116 co-relation queries the response was YES. [2021-03-25 04:42:55,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 111 events. 37/111 cut-off events. For 111/116 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 435 event pairs, 3 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 283. Up to 32 conditions per place. [2021-03-25 04:42:55,938 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-25 04:42:55,941 INFO L154 LiptonReduction]: Checked pairs total: 322 [2021-03-25 04:42:55,941 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:55,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 04:42:55,941 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 182 flow [2021-03-25 04:42:55,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:55,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:55,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:42:55,942 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:55,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:55,942 INFO L82 PathProgramCache]: Analyzing trace with hash -880719338, now seen corresponding path program 1 times [2021-03-25 04:42:55,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:55,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684268481] [2021-03-25 04:42:55,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:55,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:42:55,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:55,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:55,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:55,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684268481] [2021-03-25 04:42:55,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:55,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:42:55,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304402920] [2021-03-25 04:42:55,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:42:55,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:42:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:42:55,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 219 [2021-03-25 04:42:55,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:55,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:55,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 219 [2021-03-25 04:42:55,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:56,021 INFO L129 PetriNetUnfolder]: 60/167 cut-off events. [2021-03-25 04:42:56,021 INFO L130 PetriNetUnfolder]: For 264/283 co-relation queries the response was YES. [2021-03-25 04:42:56,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 167 events. 60/167 cut-off events. For 264/283 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 747 event pairs, 5 based on Foata normal form. 9/161 useless extension candidates. Maximal degree in co-relation 444. Up to 50 conditions per place. [2021-03-25 04:42:56,022 INFO L132 encePairwiseOnDemand]: 216/219 looper letters, 3 selfloop transitions, 1 changer transitions 3/40 dead transitions. [2021-03-25 04:42:56,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 40 transitions, 196 flow [2021-03-25 04:42:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:42:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:42:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 750 transitions. [2021-03-25 04:42:56,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8561643835616438 [2021-03-25 04:42:56,024 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 750 transitions. [2021-03-25 04:42:56,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 750 transitions. [2021-03-25 04:42:56,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:56,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 750 transitions. [2021-03-25 04:42:56,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 187.5) internal successors, (750), 4 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,027 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 219.0) internal successors, (1095), 5 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,027 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 182 flow. Second operand 4 states and 750 transitions. [2021-03-25 04:42:56,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 40 transitions, 196 flow [2021-03-25 04:42:56,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 193 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:42:56,029 INFO L241 Difference]: Finished difference. Result has 54 places, 37 transitions, 177 flow [2021-03-25 04:42:56,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=54, PETRI_TRANSITIONS=37} [2021-03-25 04:42:56,029 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -7 predicate places. [2021-03-25 04:42:56,029 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:56,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 37 transitions, 177 flow [2021-03-25 04:42:56,029 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 37 transitions, 177 flow [2021-03-25 04:42:56,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 37 transitions, 177 flow [2021-03-25 04:42:56,036 INFO L129 PetriNetUnfolder]: 28/88 cut-off events. [2021-03-25 04:42:56,036 INFO L130 PetriNetUnfolder]: For 79/85 co-relation queries the response was YES. [2021-03-25 04:42:56,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 88 events. 28/88 cut-off events. For 79/85 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 310 event pairs, 1 based on Foata normal form. 1/83 useless extension candidates. Maximal degree in co-relation 229. Up to 26 conditions per place. [2021-03-25 04:42:56,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 350 [2021-03-25 04:42:56,194 INFO L154 LiptonReduction]: Checked pairs total: 461 [2021-03-25 04:42:56,194 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:42:56,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-25 04:42:56,194 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 35 transitions, 173 flow [2021-03-25 04:42:56,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:56,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:56,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:42:56,195 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:56,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:56,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1771617908, now seen corresponding path program 2 times [2021-03-25 04:42:56,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:56,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611770528] [2021-03-25 04:42:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:56,306 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-25 04:42:56,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 04:42:56,329 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.9 percent of original size [2021-03-25 04:42:56,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 04:42:56,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.3 percent of original size [2021-03-25 04:42:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 04:42:56,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 04:42:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 04:42:56,402 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-25 04:42:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 04:42:56,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:42:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:56,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611770528] [2021-03-25 04:42:56,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:56,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:42:56,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74681727] [2021-03-25 04:42:56,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:42:56,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:56,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:42:56,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:42:56,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 221 [2021-03-25 04:42:56,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 35 transitions, 173 flow. Second operand has 8 states, 8 states have (on average 166.0) internal successors, (1328), 8 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:56,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 221 [2021-03-25 04:42:56,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:56,586 INFO L129 PetriNetUnfolder]: 151/359 cut-off events. [2021-03-25 04:42:56,586 INFO L130 PetriNetUnfolder]: For 912/1107 co-relation queries the response was YES. [2021-03-25 04:42:56,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 359 events. 151/359 cut-off events. For 912/1107 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1891 event pairs, 5 based on Foata normal form. 54/380 useless extension candidates. Maximal degree in co-relation 945. Up to 108 conditions per place. [2021-03-25 04:42:56,589 INFO L132 encePairwiseOnDemand]: 213/221 looper letters, 11 selfloop transitions, 10 changer transitions 0/48 dead transitions. [2021-03-25 04:42:56,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 48 transitions, 241 flow [2021-03-25 04:42:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:42:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:42:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1177 transitions. [2021-03-25 04:42:56,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7608274078862314 [2021-03-25 04:42:56,591 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1177 transitions. [2021-03-25 04:42:56,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1177 transitions. [2021-03-25 04:42:56,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:56,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1177 transitions. [2021-03-25 04:42:56,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.14285714285714) internal successors, (1177), 7 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 221.0) internal successors, (1768), 8 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,596 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 221.0) internal successors, (1768), 8 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,596 INFO L185 Difference]: Start difference. First operand has 51 places, 35 transitions, 173 flow. Second operand 7 states and 1177 transitions. [2021-03-25 04:42:56,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 48 transitions, 241 flow [2021-03-25 04:42:56,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 48 transitions, 236 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:42:56,599 INFO L241 Difference]: Finished difference. Result has 58 places, 43 transitions, 234 flow [2021-03-25 04:42:56,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=234, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2021-03-25 04:42:56,600 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2021-03-25 04:42:56,600 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:56,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 43 transitions, 234 flow [2021-03-25 04:42:56,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 43 transitions, 234 flow [2021-03-25 04:42:56,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 43 transitions, 234 flow [2021-03-25 04:42:56,627 INFO L129 PetriNetUnfolder]: 154/363 cut-off events. [2021-03-25 04:42:56,627 INFO L130 PetriNetUnfolder]: For 319/359 co-relation queries the response was YES. [2021-03-25 04:42:56,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 363 events. 154/363 cut-off events. For 319/359 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2071 event pairs, 17 based on Foata normal form. 1/323 useless extension candidates. Maximal degree in co-relation 1051. Up to 128 conditions per place. [2021-03-25 04:42:56,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 416 [2021-03-25 04:42:56,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 04:42:56,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:56,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-25 04:42:56,634 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 234 flow [2021-03-25 04:42:56,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 166.0) internal successors, (1328), 8 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:56,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:56,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:42:56,635 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:56,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:56,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1707298455, now seen corresponding path program 1 times [2021-03-25 04:42:56,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:56,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633153113] [2021-03-25 04:42:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:42:56,717 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-03-25 04:42:56,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 04:42:56,761 INFO L142 QuantifierPusher]: treesize reduction 16, result has 87.2 percent of original size [2021-03-25 04:42:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-03-25 04:42:56,803 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 04:42:56,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 04:42:56,833 INFO L142 QuantifierPusher]: treesize reduction 19, result has 79.1 percent of original size [2021-03-25 04:42:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 04:42:56,864 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-25 04:42:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 04:42:56,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:42:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:42:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:42:56,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633153113] [2021-03-25 04:42:56,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:42:56,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:42:56,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168205636] [2021-03-25 04:42:56,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:42:56,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:42:56,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:42:56,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:42:56,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 221 [2021-03-25 04:42:56,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 43 transitions, 234 flow. Second operand has 8 states, 8 states have (on average 163.0) internal successors, (1304), 8 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:56,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:42:56,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 221 [2021-03-25 04:42:56,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:42:57,072 INFO L129 PetriNetUnfolder]: 186/440 cut-off events. [2021-03-25 04:42:57,072 INFO L130 PetriNetUnfolder]: For 1145/1467 co-relation queries the response was YES. [2021-03-25 04:42:57,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1418 conditions, 440 events. 186/440 cut-off events. For 1145/1467 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2497 event pairs, 10 based on Foata normal form. 72/472 useless extension candidates. Maximal degree in co-relation 1395. Up to 142 conditions per place. [2021-03-25 04:42:57,075 INFO L132 encePairwiseOnDemand]: 216/221 looper letters, 17 selfloop transitions, 6 changer transitions 0/50 dead transitions. [2021-03-25 04:42:57,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 50 transitions, 320 flow [2021-03-25 04:42:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:42:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:42:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 990 transitions. [2021-03-25 04:42:57,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746606334841629 [2021-03-25 04:42:57,077 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 990 transitions. [2021-03-25 04:42:57,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 990 transitions. [2021-03-25 04:42:57,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:42:57,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 990 transitions. [2021-03-25 04:42:57,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.0) internal successors, (990), 6 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:57,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:57,081 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:57,081 INFO L185 Difference]: Start difference. First operand has 58 places, 43 transitions, 234 flow. Second operand 6 states and 990 transitions. [2021-03-25 04:42:57,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 50 transitions, 320 flow [2021-03-25 04:42:57,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 50 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:42:57,085 INFO L241 Difference]: Finished difference. Result has 63 places, 43 transitions, 249 flow [2021-03-25 04:42:57,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=63, PETRI_TRANSITIONS=43} [2021-03-25 04:42:57,085 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2021-03-25 04:42:57,085 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:42:57,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 43 transitions, 249 flow [2021-03-25 04:42:57,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 43 transitions, 249 flow [2021-03-25 04:42:57,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 43 transitions, 249 flow [2021-03-25 04:42:57,117 INFO L129 PetriNetUnfolder]: 149/364 cut-off events. [2021-03-25 04:42:57,118 INFO L130 PetriNetUnfolder]: For 391/457 co-relation queries the response was YES. [2021-03-25 04:42:57,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 364 events. 149/364 cut-off events. For 391/457 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2167 event pairs, 17 based on Foata normal form. 1/324 useless extension candidates. Maximal degree in co-relation 1077. Up to 128 conditions per place. [2021-03-25 04:42:57,121 INFO L142 LiptonReduction]: Number of co-enabled transitions 416 [2021-03-25 04:42:57,124 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 04:42:57,124 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:42:57,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-25 04:42:57,124 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 43 transitions, 249 flow [2021-03-25 04:42:57,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 163.0) internal successors, (1304), 8 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:42:57,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:42:57,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:42:57,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:42:57,125 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:42:57,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:42:57,125 INFO L82 PathProgramCache]: Analyzing trace with hash -773877927, now seen corresponding path program 2 times [2021-03-25 04:42:57,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:42:57,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988207118] [2021-03-25 04:42:57,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:42:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:42:57,178 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:42:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:42:57,228 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:42:57,257 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:42:57,257 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:42:57,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:42:57,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:42:57 BasicIcfg [2021-03-25 04:42:57,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:42:57,328 INFO L168 Benchmark]: Toolchain (without parser) took 10415.53 ms. Allocated memory was 375.4 MB in the beginning and 660.6 MB in the end (delta: 285.2 MB). Free memory was 338.7 MB in the beginning and 529.2 MB in the end (delta: -190.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,328 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 375.4 MB. Free memory was 356.6 MB in the beginning and 356.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:42:57,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.20 ms. Allocated memory is still 375.4 MB. Free memory was 338.4 MB in the beginning and 333.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.16 ms. Allocated memory is still 375.4 MB. Free memory was 333.0 MB in the beginning and 330.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,329 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 375.4 MB. Free memory was 330.9 MB in the beginning and 328.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,329 INFO L168 Benchmark]: RCFGBuilder took 1463.89 ms. Allocated memory is still 375.4 MB. Free memory was 328.8 MB in the beginning and 256.7 MB in the end (delta: 72.1 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,329 INFO L168 Benchmark]: TraceAbstraction took 8462.48 ms. Allocated memory was 375.4 MB in the beginning and 660.6 MB in the end (delta: 285.2 MB). Free memory was 255.7 MB in the beginning and 529.2 MB in the end (delta: -273.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:42:57,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 375.4 MB. Free memory was 356.6 MB in the beginning and 356.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 425.20 ms. Allocated memory is still 375.4 MB. Free memory was 338.4 MB in the beginning and 333.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.16 ms. Allocated memory is still 375.4 MB. Free memory was 333.0 MB in the beginning and 330.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 375.4 MB. Free memory was 330.9 MB in the beginning and 328.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1463.89 ms. Allocated memory is still 375.4 MB. Free memory was 328.8 MB in the beginning and 256.7 MB in the end (delta: 72.1 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8462.48 ms. Allocated memory was 375.4 MB in the beginning and 660.6 MB in the end (delta: 285.2 MB). Free memory was 255.7 MB in the beginning and 529.2 MB in the end (delta: -273.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2257.1ms, 128 PlacesBefore, 61 PlacesAfterwards, 117 TransitionsBefore, 49 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 5 FixpointIterations, 31 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 5389 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2825, positive: 2711, positive conditional: 0, positive unconditional: 2711, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1403, positive: 1369, positive conditional: 0, positive unconditional: 1369, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1403, positive: 1369, positive conditional: 0, positive unconditional: 1369, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2825, positive: 1342, positive conditional: 0, positive unconditional: 1342, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 1403, unknown conditional: 0, unknown unconditional: 1403] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.7ms, 57 PlacesBefore, 43 PlacesAfterwards, 46 TransitionsBefore, 32 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 4 FixpointIterations, 10 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 2683 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 681, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 681, positive: 494, positive conditional: 0, positive unconditional: 494, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 83, unknown conditional: 0, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1030.6ms, 46 PlacesBefore, 39 PlacesAfterwards, 30 TransitionsBefore, 27 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 337, positive: 258, positive conditional: 0, positive unconditional: 258, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 337, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.4ms, 44 PlacesBefore, 42 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 420 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 129, Positive conditional cache size: 0, Positive unconditional cache size: 129, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.3ms, 48 PlacesBefore, 46 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 83, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 133, Positive conditional cache size: 0, Positive unconditional cache size: 133, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 51 PlacesBefore, 49 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 109, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.5ms, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 608 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 984 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 160, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 160, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 881.7ms, 61 PlacesBefore, 55 PlacesAfterwards, 43 TransitionsBefore, 40 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1062 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 128, positive conditional: 0, positive unconditional: 128, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 176, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 52 PlacesBefore, 51 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 322 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.6ms, 54 PlacesBefore, 51 PlacesAfterwards, 37 TransitionsBefore, 35 TransitionsAfterwards, 350 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 461 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 90, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.0ms, 58 PlacesBefore, 58 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.1ms, 63 PlacesBefore, 63 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L724] 0 int b = 0; [L725] 0 _Bool b$flush_delayed; [L726] 0 int b$mem_tmp; [L727] 0 _Bool b$r_buff0_thd0; [L728] 0 _Bool b$r_buff0_thd1; [L729] 0 _Bool b$r_buff0_thd2; [L730] 0 _Bool b$r_buff0_thd3; [L731] 0 _Bool b$r_buff0_thd4; [L732] 0 _Bool b$r_buff1_thd0; [L733] 0 _Bool b$r_buff1_thd1; [L734] 0 _Bool b$r_buff1_thd2; [L735] 0 _Bool b$r_buff1_thd3; [L736] 0 _Bool b$r_buff1_thd4; [L737] 0 _Bool b$read_delayed; [L738] 0 int *b$read_delayed_var; [L739] 0 int b$w_buff0; [L740] 0 _Bool b$w_buff0_used; [L741] 0 int b$w_buff1; [L742] 0 _Bool b$w_buff1_used; [L743] 0 _Bool main$tmp_guard0; [L744] 0 _Bool main$tmp_guard1; [L746] 0 int x = 0; [L748] 0 int y = 0; [L750] 0 int z = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L873] 0 pthread_t t953; [L874] FCALL, FORK 0 pthread_create(&t953, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 b$w_buff1 = b$w_buff0 [L757] 1 b$w_buff0 = 1 [L758] 1 b$w_buff1_used = b$w_buff0_used [L759] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L762] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L763] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L764] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L765] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L766] 1 b$r_buff0_thd1 = (_Bool)1 [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t954; [L876] FCALL, FORK 0 pthread_create(&t954, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t955; [L878] FCALL, FORK 0 pthread_create(&t955, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L806] 3 y = 1 [L809] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L812] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L812] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L813] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L813] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L814] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L814] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L815] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L815] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L816] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L816] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L793] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L794] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L795] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L796] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L879] 0 pthread_t t956; [L880] FCALL, FORK 0 pthread_create(&t956, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L826] 4 z = 1 [L829] 4 a = 1 [L832] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 b$flush_delayed = weak$$choice2 [L838] 4 b$mem_tmp = b [L839] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L839] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L840] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L840] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L841] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L841] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L842] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L842] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L844] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = b [L847] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L847] 4 b = b$flush_delayed ? b$mem_tmp : b [L848] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, z=1] [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L772] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L773] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L773] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L774] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L774] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L775] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L775] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L776] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L776] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L819] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 3 return 0; [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L851] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L851] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L852] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L852] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L853] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L853] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L854] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L854] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L855] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L855] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L886] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L886] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L887] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L887] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L888] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L888] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L889] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L889] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L890] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L890] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8297.7ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1055.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2311.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 37 SDslu, 43 SDs, 0 SdLazy, 347 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 273.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 400.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=7, InterpolantAutomatonStates: 61, 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: 76.5ms SsaConstructionTime, 532.5ms SatisfiabilityAnalysisTime, 870.9ms InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...