/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/mix004_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:27:52,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:27:52,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:27:52,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:27:52,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:27:52,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:27:52,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:27:52,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:27:52,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:27:52,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:27:52,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:27:52,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:27:52,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:27:52,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:27:52,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:27:52,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:27:52,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:27:52,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:27:52,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:27:52,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:27:52,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:27:52,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:27:52,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:27:52,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:27:52,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:27:52,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:27:52,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:27:52,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:27:52,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:27:52,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:27:52,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:27:52,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:27:52,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:27:52,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:27:52,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:27:52,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:27:52,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:27:52,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:27:52,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:27:52,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:27:52,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:27:52,819 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 04:27:52,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:27:52,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:27:52,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:27:52,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:27:52,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:27:52,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:27:52,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:27:52,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:27:52,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:27:52,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:27:52,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:27:53,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:27:53,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:27:53,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:27:53,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:27:53,125 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:27:53,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_pso.opt.i [2021-03-25 04:27:53,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba43b8951/22a6a04c184b436f972923326fa221ce/FLAG88d5a7b8c [2021-03-25 04:27:53,690 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:27:53,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_pso.opt.i [2021-03-25 04:27:53,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba43b8951/22a6a04c184b436f972923326fa221ce/FLAG88d5a7b8c [2021-03-25 04:27:54,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba43b8951/22a6a04c184b436f972923326fa221ce [2021-03-25 04:27:54,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:27:54,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:27:54,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:27:54,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:27:54,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:27:54,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd5c882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54, skipping insertion in model container [2021-03-25 04:27:54,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:27:54,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:27:54,372 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/mix004_pso.opt.i[948,961] [2021-03-25 04:27:54,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:27:54,567 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:27:54,576 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/mix004_pso.opt.i[948,961] [2021-03-25 04:27:54,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:27:54,730 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:27:54,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54 WrapperNode [2021-03-25 04:27:54,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:27:54,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:27:54,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:27:54,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:27:54,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:27:54,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:27:54,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:27:54,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:27:54,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (1/1) ... [2021-03-25 04:27:54,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:27:54,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:27:54,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:27:54,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:27:54,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (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 04:27:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:27:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:27:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:27:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:27:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:27:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:27:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:27:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:27:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:27:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:27:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:27:54,912 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 04:27:56,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:27:56,457 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:27:56,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:27:56 BoogieIcfgContainer [2021-03-25 04:27:56,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:27:56,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:27:56,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:27:56,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:27:56,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:27:54" (1/3) ... [2021-03-25 04:27:56,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fb6462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:27:56, skipping insertion in model container [2021-03-25 04:27:56,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:54" (2/3) ... [2021-03-25 04:27:56,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fb6462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:27:56, skipping insertion in model container [2021-03-25 04:27:56,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:27:56" (3/3) ... [2021-03-25 04:27:56,464 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_pso.opt.i [2021-03-25 04:27:56,471 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:27:56,475 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:27:56,475 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:27:56,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,540 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,541 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,542 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,543 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,544 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,545 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,559 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:56,567 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:27:56,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:27:56,602 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:27:56,602 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:27:56,602 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:27:56,602 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:27:56,602 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:27:56,602 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:27:56,602 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:27:56,602 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:27:56,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-03-25 04:27:56,646 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-25 04:27:56,646 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:56,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 04:27:56,661 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-03-25 04:27:56,664 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-03-25 04:27:56,665 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:27:56,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-25 04:27:56,674 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-25 04:27:56,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-03-25 04:27:56,725 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-25 04:27:56,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:56,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 04:27:56,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 2502 [2021-03-25 04:27:57,618 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:27:57,976 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:27:58,078 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:27:58,900 INFO L154 LiptonReduction]: Checked pairs total: 4068 [2021-03-25 04:27:58,900 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-25 04:27:58,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2238 [2021-03-25 04:27:58,924 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-03-25 04:27:58,924 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:58,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:27:58,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:27:58,926 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:27:58,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:27:58,933 INFO L82 PathProgramCache]: Analyzing trace with hash -333288267, now seen corresponding path program 1 times [2021-03-25 04:27:58,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:27:58,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722725788] [2021-03-25 04:27:58,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:27:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:27:59,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:59,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:27:59,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:59,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:27:59,184 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 04:27:59,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722725788] [2021-03-25 04:27:59,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:27:59,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:27:59,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674317797] [2021-03-25 04:27:59,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:27:59,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:27:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:27:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:27:59,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2021-03-25 04:27:59,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 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 04:27:59,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:27:59,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2021-03-25 04:27:59,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:27:59,244 INFO L129 PetriNetUnfolder]: 13/76 cut-off events. [2021-03-25 04:27:59,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:59,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 76 events. 13/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 198 event pairs, 1 based on Foata normal form. 8/82 useless extension candidates. Maximal degree in co-relation 95. Up to 25 conditions per place. [2021-03-25 04:27:59,247 INFO L132 encePairwiseOnDemand]: 188/192 looper letters, 6 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2021-03-25 04:27:59,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 48 transitions, 124 flow [2021-03-25 04:27:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:27:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:27:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2021-03-25 04:27:59,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9201388888888888 [2021-03-25 04:27:59,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 530 transitions. [2021-03-25 04:27:59,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 530 transitions. [2021-03-25 04:27:59,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:27:59,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 530 transitions. [2021-03-25 04:27:59,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 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 04:27:59,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 04:27:59,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 04:27:59,279 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 110 flow. Second operand 3 states and 530 transitions. [2021-03-25 04:27:59,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 48 transitions, 124 flow [2021-03-25 04:27:59,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 120 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:27:59,282 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 104 flow [2021-03-25 04:27:59,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, 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 04:27:59,284 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-25 04:27:59,284 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:27:59,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 46 transitions, 104 flow [2021-03-25 04:27:59,285 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 46 transitions, 104 flow [2021-03-25 04:27:59,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 104 flow [2021-03-25 04:27:59,292 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-03-25 04:27:59,292 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:59,292 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 04:27:59,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-25 04:28:00,231 INFO L154 LiptonReduction]: Checked pairs total: 2204 [2021-03-25 04:28:00,231 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-25 04:28:00,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 948 [2021-03-25 04:28:00,232 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-25 04:28:00,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 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 04:28:00,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:00,233 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 04:28:00,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:28:00,233 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:00,233 INFO L82 PathProgramCache]: Analyzing trace with hash 975759929, now seen corresponding path program 1 times [2021-03-25 04:28:00,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:00,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864006525] [2021-03-25 04:28:00,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:00,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:28:00,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:28:00,331 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 04:28:00,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864006525] [2021-03-25 04:28:00,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:00,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912949115] [2021-03-25 04:28:00,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:00,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:00,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:00,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 207 [2021-03-25 04:28:00,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 04:28:00,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 207 [2021-03-25 04:28:00,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:00,360 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2021-03-25 04:28:00,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:28:00,361 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 58 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 04:28:00,361 INFO L132 encePairwiseOnDemand]: 203/207 looper letters, 1 selfloop transitions, 2 changer transitions 5/33 dead transitions. [2021-03-25 04:28:00,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 33 transitions, 90 flow [2021-03-25 04:28:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:28:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:28:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 922 transitions. [2021-03-25 04:28:00,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908212560386474 [2021-03-25 04:28:00,363 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 922 transitions. [2021-03-25 04:28:00,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 922 transitions. [2021-03-25 04:28:00,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:00,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 922 transitions. [2021-03-25 04:28:00,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 184.4) internal successors, (922), 5 states have internal predecessors, (922), 0 states have call successors, (0), 0 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 04:28:00,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 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 04:28:00,372 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 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 04:28:00,372 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 5 states and 922 transitions. [2021-03-25 04:28:00,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 33 transitions, 90 flow [2021-03-25 04:28:00,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:00,373 INFO L241 Difference]: Finished difference. Result has 45 places, 28 transitions, 72 flow [2021-03-25 04:28:00,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=72, PETRI_PLACES=45, PETRI_TRANSITIONS=28} [2021-03-25 04:28:00,376 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -16 predicate places. [2021-03-25 04:28:00,377 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:00,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 28 transitions, 72 flow [2021-03-25 04:28:00,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 28 transitions, 72 flow [2021-03-25 04:28:00,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 72 flow [2021-03-25 04:28:00,381 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 04:28:00,381 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:28:00,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:28:00,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-25 04:28:00,935 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:28:01,083 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:28:01,411 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:28:01,554 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:28:01,559 INFO L154 LiptonReduction]: Checked pairs total: 1170 [2021-03-25 04:28:01,559 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:28:01,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1182 [2021-03-25 04:28:01,560 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 68 flow [2021-03-25 04:28:01,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 04:28:01,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:01,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:01,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:28:01,561 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1356882143, now seen corresponding path program 1 times [2021-03-25 04:28:01,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:01,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016485662] [2021-03-25 04:28:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:01,674 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 04:28:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:01,686 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 04:28:01,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016485662] [2021-03-25 04:28:01,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:01,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:28:01,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096167550] [2021-03-25 04:28:01,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:01,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:01,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:01,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:01,691 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-25 04:28:01,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 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 04:28:01,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:01,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-25 04:28:01,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:01,745 INFO L129 PetriNetUnfolder]: 81/200 cut-off events. [2021-03-25 04:28:01,745 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-25 04:28:01,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 200 events. 81/200 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 863 event pairs, 33 based on Foata normal form. 8/202 useless extension candidates. Maximal degree in co-relation 376. Up to 113 conditions per place. [2021-03-25 04:28:01,751 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 10 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-25 04:28:01,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 30 transitions, 103 flow [2021-03-25 04:28:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:28:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:28:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2021-03-25 04:28:01,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8580542264752791 [2021-03-25 04:28:01,753 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2021-03-25 04:28:01,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2021-03-25 04:28:01,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:01,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2021-03-25 04:28:01,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 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 04:28:01,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 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 04:28:01,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 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 04:28:01,755 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 68 flow. Second operand 3 states and 538 transitions. [2021-03-25 04:28:01,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 30 transitions, 103 flow [2021-03-25 04:28:01,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 30 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:01,757 INFO L241 Difference]: Finished difference. Result has 39 places, 26 transitions, 72 flow [2021-03-25 04:28:01,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2021-03-25 04:28:01,757 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -22 predicate places. [2021-03-25 04:28:01,757 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:01,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 26 transitions, 72 flow [2021-03-25 04:28:01,758 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 26 transitions, 72 flow [2021-03-25 04:28:01,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 26 transitions, 72 flow [2021-03-25 04:28:01,761 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-25 04:28:01,761 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:28:01,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 26 events. 0/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:28:01,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-25 04:28:01,788 INFO L154 LiptonReduction]: Checked pairs total: 680 [2021-03-25 04:28:01,788 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:28:01,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 04:28:01,792 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 25 transitions, 70 flow [2021-03-25 04:28:01,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 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 04:28:01,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:01,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:01,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:28:01,793 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:01,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:01,793 INFO L82 PathProgramCache]: Analyzing trace with hash -439317363, now seen corresponding path program 1 times [2021-03-25 04:28:01,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:01,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883526197] [2021-03-25 04:28:01,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:01,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:01,866 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:01,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:01,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:01,873 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 04:28:01,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883526197] [2021-03-25 04:28:01,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:01,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:01,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141558977] [2021-03-25 04:28:01,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:01,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:01,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:01,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:01,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 210 [2021-03-25 04:28:01,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 04:28:01,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:01,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 210 [2021-03-25 04:28:01,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:01,926 INFO L129 PetriNetUnfolder]: 90/184 cut-off events. [2021-03-25 04:28:01,926 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 04:28:01,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 184 events. 90/184 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 806 event pairs, 46 based on Foata normal form. 16/188 useless extension candidates. Maximal degree in co-relation 372. Up to 119 conditions per place. [2021-03-25 04:28:01,927 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 6 selfloop transitions, 5 changer transitions 9/38 dead transitions. [2021-03-25 04:28:01,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 38 transitions, 136 flow [2021-03-25 04:28:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:28:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:28:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 902 transitions. [2021-03-25 04:28:01,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8590476190476191 [2021-03-25 04:28:01,929 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 902 transitions. [2021-03-25 04:28:01,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 902 transitions. [2021-03-25 04:28:01,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:01,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 902 transitions. [2021-03-25 04:28:01,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.4) internal successors, (902), 5 states have internal predecessors, (902), 0 states have call successors, (0), 0 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 04:28:01,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 04:28:01,933 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 04:28:01,933 INFO L185 Difference]: Start difference. First operand has 38 places, 25 transitions, 70 flow. Second operand 5 states and 902 transitions. [2021-03-25 04:28:01,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 38 transitions, 136 flow [2021-03-25 04:28:01,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:01,934 INFO L241 Difference]: Finished difference. Result has 43 places, 29 transitions, 111 flow [2021-03-25 04:28:01,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=43, PETRI_TRANSITIONS=29} [2021-03-25 04:28:01,934 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -18 predicate places. [2021-03-25 04:28:01,935 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:01,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 29 transitions, 111 flow [2021-03-25 04:28:01,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 29 transitions, 111 flow [2021-03-25 04:28:01,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 111 flow [2021-03-25 04:28:01,944 INFO L129 PetriNetUnfolder]: 73/151 cut-off events. [2021-03-25 04:28:01,944 INFO L130 PetriNetUnfolder]: For 97/102 co-relation queries the response was YES. [2021-03-25 04:28:01,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 151 events. 73/151 cut-off events. For 97/102 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 650 event pairs, 40 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 408. Up to 104 conditions per place. [2021-03-25 04:28:01,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 346 [2021-03-25 04:28:01,948 INFO L154 LiptonReduction]: Checked pairs total: 279 [2021-03-25 04:28:01,948 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:01,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 04:28:01,948 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 111 flow [2021-03-25 04:28:01,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 04:28:01,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:01,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:01,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:28:01,949 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:01,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:01,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1831641386, now seen corresponding path program 1 times [2021-03-25 04:28:01,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:01,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611973297] [2021-03-25 04:28:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:01,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:01,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:01,996 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:01,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:02,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:02,001 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 04:28:02,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611973297] [2021-03-25 04:28:02,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:02,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:28:02,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472891732] [2021-03-25 04:28:02,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:28:02,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:02,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:28:02,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:28:02,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 210 [2021-03-25 04:28:02,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:28:02,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:02,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 210 [2021-03-25 04:28:02,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:02,065 INFO L129 PetriNetUnfolder]: 66/147 cut-off events. [2021-03-25 04:28:02,065 INFO L130 PetriNetUnfolder]: For 125/254 co-relation queries the response was YES. [2021-03-25 04:28:02,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 147 events. 66/147 cut-off events. For 125/254 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 570 event pairs, 14 based on Foata normal form. 24/163 useless extension candidates. Maximal degree in co-relation 514. Up to 108 conditions per place. [2021-03-25 04:28:02,066 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 6 selfloop transitions, 9 changer transitions 9/42 dead transitions. [2021-03-25 04:28:02,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 42 transitions, 235 flow [2021-03-25 04:28:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:28:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:28:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1082 transitions. [2021-03-25 04:28:02,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8587301587301587 [2021-03-25 04:28:02,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1082 transitions. [2021-03-25 04:28:02,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1082 transitions. [2021-03-25 04:28:02,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:02,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1082 transitions. [2021-03-25 04:28:02,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.33333333333334) internal successors, (1082), 6 states have internal predecessors, (1082), 0 states have call successors, (0), 0 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 04:28:02,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 0 states have call successors, (0), 0 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 04:28:02,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 0 states have call successors, (0), 0 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 04:28:02,073 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 111 flow. Second operand 6 states and 1082 transitions. [2021-03-25 04:28:02,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 42 transitions, 235 flow [2021-03-25 04:28:02,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 228 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:02,076 INFO L241 Difference]: Finished difference. Result has 47 places, 33 transitions, 176 flow [2021-03-25 04:28:02,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=176, PETRI_PLACES=47, PETRI_TRANSITIONS=33} [2021-03-25 04:28:02,077 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -14 predicate places. [2021-03-25 04:28:02,077 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:02,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 33 transitions, 176 flow [2021-03-25 04:28:02,077 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 33 transitions, 176 flow [2021-03-25 04:28:02,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 33 transitions, 176 flow [2021-03-25 04:28:02,090 INFO L129 PetriNetUnfolder]: 49/115 cut-off events. [2021-03-25 04:28:02,090 INFO L130 PetriNetUnfolder]: For 192/220 co-relation queries the response was YES. [2021-03-25 04:28:02,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 115 events. 49/115 cut-off events. For 192/220 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 442 event pairs, 13 based on Foata normal form. 3/115 useless extension candidates. Maximal degree in co-relation 446. Up to 76 conditions per place. [2021-03-25 04:28:02,092 INFO L142 LiptonReduction]: Number of co-enabled transitions 418 [2021-03-25 04:28:02,094 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-25 04:28:02,094 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:02,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-25 04:28:02,096 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 33 transitions, 176 flow [2021-03-25 04:28:02,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:28:02,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:02,097 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 04:28:02,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:28:02,097 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:02,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:02,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1032410186, now seen corresponding path program 1 times [2021-03-25 04:28:02,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:02,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43361491] [2021-03-25 04:28:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:02,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,195 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:02,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:02,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:02,201 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 04:28:02,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43361491] [2021-03-25 04:28:02,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:02,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:28:02,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366986635] [2021-03-25 04:28:02,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:28:02,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:02,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:28:02,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:28:02,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 210 [2021-03-25 04:28:02,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 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 04:28:02,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:02,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 210 [2021-03-25 04:28:02,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:02,253 INFO L129 PetriNetUnfolder]: 36/95 cut-off events. [2021-03-25 04:28:02,253 INFO L130 PetriNetUnfolder]: For 231/390 co-relation queries the response was YES. [2021-03-25 04:28:02,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 95 events. 36/95 cut-off events. For 231/390 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 284 event pairs, 2 based on Foata normal form. 27/117 useless extension candidates. Maximal degree in co-relation 436. Up to 68 conditions per place. [2021-03-25 04:28:02,254 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 6 selfloop transitions, 13 changer transitions 9/46 dead transitions. [2021-03-25 04:28:02,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 46 transitions, 358 flow [2021-03-25 04:28:02,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:28:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:28:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1262 transitions. [2021-03-25 04:28:02,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8585034013605443 [2021-03-25 04:28:02,256 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1262 transitions. [2021-03-25 04:28:02,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1262 transitions. [2021-03-25 04:28:02,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:02,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1262 transitions. [2021-03-25 04:28:02,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 180.28571428571428) internal successors, (1262), 7 states have internal predecessors, (1262), 0 states have call successors, (0), 0 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 04:28:02,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 0 states have call successors, (0), 0 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 04:28:02,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 0 states have call successors, (0), 0 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 04:28:02,260 INFO L185 Difference]: Start difference. First operand has 45 places, 33 transitions, 176 flow. Second operand 7 states and 1262 transitions. [2021-03-25 04:28:02,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 46 transitions, 358 flow [2021-03-25 04:28:02,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 46 transitions, 296 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-25 04:28:02,264 INFO L241 Difference]: Finished difference. Result has 50 places, 37 transitions, 226 flow [2021-03-25 04:28:02,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=226, PETRI_PLACES=50, PETRI_TRANSITIONS=37} [2021-03-25 04:28:02,264 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -11 predicate places. [2021-03-25 04:28:02,264 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:02,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 37 transitions, 226 flow [2021-03-25 04:28:02,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 37 transitions, 226 flow [2021-03-25 04:28:02,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 226 flow [2021-03-25 04:28:02,271 INFO L129 PetriNetUnfolder]: 25/73 cut-off events. [2021-03-25 04:28:02,271 INFO L130 PetriNetUnfolder]: For 137/162 co-relation queries the response was YES. [2021-03-25 04:28:02,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 73 events. 25/73 cut-off events. For 137/162 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 194 event pairs, 2 based on Foata normal form. 4/74 useless extension candidates. Maximal degree in co-relation 275. Up to 42 conditions per place. [2021-03-25 04:28:02,272 INFO L142 LiptonReduction]: Number of co-enabled transitions 418 [2021-03-25 04:28:02,274 INFO L154 LiptonReduction]: Checked pairs total: 436 [2021-03-25 04:28:02,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:02,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:28:02,275 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 226 flow [2021-03-25 04:28:02,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 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 04:28:02,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:02,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:02,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:28:02,275 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:02,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:02,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1744814950, now seen corresponding path program 1 times [2021-03-25 04:28:02,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:02,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798424600] [2021-03-25 04:28:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:02,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:02,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 04:28:02,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:02,355 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 04:28:02,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798424600] [2021-03-25 04:28:02,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:02,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:02,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665549358] [2021-03-25 04:28:02,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:02,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:02,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:02,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:02,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 210 [2021-03-25 04:28:02,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 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 04:28:02,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:02,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 210 [2021-03-25 04:28:02,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:02,460 INFO L129 PetriNetUnfolder]: 150/345 cut-off events. [2021-03-25 04:28:02,460 INFO L130 PetriNetUnfolder]: For 635/753 co-relation queries the response was YES. [2021-03-25 04:28:02,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1235 conditions, 345 events. 150/345 cut-off events. For 635/753 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1730 event pairs, 8 based on Foata normal form. 33/361 useless extension candidates. Maximal degree in co-relation 1217. Up to 165 conditions per place. [2021-03-25 04:28:02,462 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 9 selfloop transitions, 11 changer transitions 0/49 dead transitions. [2021-03-25 04:28:02,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 294 flow [2021-03-25 04:28:02,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:28:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:28:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 871 transitions. [2021-03-25 04:28:02,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8295238095238096 [2021-03-25 04:28:02,464 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 871 transitions. [2021-03-25 04:28:02,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 871 transitions. [2021-03-25 04:28:02,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:02,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 871 transitions. [2021-03-25 04:28:02,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 0 states have call successors, (0), 0 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 04:28:02,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 04:28:02,467 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 04:28:02,467 INFO L185 Difference]: Start difference. First operand has 48 places, 37 transitions, 226 flow. Second operand 5 states and 871 transitions. [2021-03-25 04:28:02,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 294 flow [2021-03-25 04:28:02,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 240 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-25 04:28:02,471 INFO L241 Difference]: Finished difference. Result has 49 places, 46 transitions, 241 flow [2021-03-25 04:28:02,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2021-03-25 04:28:02,472 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -12 predicate places. [2021-03-25 04:28:02,472 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:02,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 46 transitions, 241 flow [2021-03-25 04:28:02,472 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 46 transitions, 241 flow [2021-03-25 04:28:02,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 46 transitions, 241 flow [2021-03-25 04:28:02,497 INFO L129 PetriNetUnfolder]: 151/366 cut-off events. [2021-03-25 04:28:02,497 INFO L130 PetriNetUnfolder]: For 370/448 co-relation queries the response was YES. [2021-03-25 04:28:02,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 366 events. 151/366 cut-off events. For 370/448 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1989 event pairs, 26 based on Foata normal form. 27/373 useless extension candidates. Maximal degree in co-relation 1046. Up to 132 conditions per place. [2021-03-25 04:28:02,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-25 04:28:02,507 INFO L154 LiptonReduction]: Checked pairs total: 181 [2021-03-25 04:28:02,508 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:02,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-25 04:28:02,510 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 241 flow [2021-03-25 04:28:02,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 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 04:28:02,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:02,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:02,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:28:02,510 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:02,511 INFO L82 PathProgramCache]: Analyzing trace with hash 744112354, now seen corresponding path program 2 times [2021-03-25 04:28:02,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:02,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047877242] [2021-03-25 04:28:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:02,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,582 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:02,591 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 04:28:02,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047877242] [2021-03-25 04:28:02,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:02,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:28:02,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457244836] [2021-03-25 04:28:02,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:28:02,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:02,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:28:02,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:28:02,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 210 [2021-03-25 04:28:02,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 176.85714285714286) internal successors, (1238), 7 states have internal predecessors, (1238), 0 states have call successors, (0), 0 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 04:28:02,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:02,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 210 [2021-03-25 04:28:02,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:02,664 INFO L129 PetriNetUnfolder]: 142/332 cut-off events. [2021-03-25 04:28:02,664 INFO L130 PetriNetUnfolder]: For 517/935 co-relation queries the response was YES. [2021-03-25 04:28:02,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1145 conditions, 332 events. 142/332 cut-off events. For 517/935 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1662 event pairs, 10 based on Foata normal form. 188/500 useless extension candidates. Maximal degree in co-relation 1127. Up to 121 conditions per place. [2021-03-25 04:28:02,667 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 2 selfloop transitions, 18 changer transitions 4/51 dead transitions. [2021-03-25 04:28:02,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 51 transitions, 337 flow [2021-03-25 04:28:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:28:02,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:28:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1434 transitions. [2021-03-25 04:28:02,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8535714285714285 [2021-03-25 04:28:02,669 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1434 transitions. [2021-03-25 04:28:02,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1434 transitions. [2021-03-25 04:28:02,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:02,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1434 transitions. [2021-03-25 04:28:02,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 179.25) internal successors, (1434), 8 states have internal predecessors, (1434), 0 states have call successors, (0), 0 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 04:28:02,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 210.0) internal successors, (1890), 9 states have internal predecessors, (1890), 0 states have call successors, (0), 0 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 04:28:02,674 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 210.0) internal successors, (1890), 9 states have internal predecessors, (1890), 0 states have call successors, (0), 0 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 04:28:02,674 INFO L185 Difference]: Start difference. First operand has 49 places, 46 transitions, 241 flow. Second operand 8 states and 1434 transitions. [2021-03-25 04:28:02,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 51 transitions, 337 flow [2021-03-25 04:28:02,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 51 transitions, 310 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:02,679 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 282 flow [2021-03-25 04:28:02,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=282, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-03-25 04:28:02,680 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-25 04:28:02,680 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:02,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 282 flow [2021-03-25 04:28:02,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 282 flow [2021-03-25 04:28:02,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 47 transitions, 282 flow [2021-03-25 04:28:02,702 INFO L129 PetriNetUnfolder]: 127/306 cut-off events. [2021-03-25 04:28:02,702 INFO L130 PetriNetUnfolder]: For 492/537 co-relation queries the response was YES. [2021-03-25 04:28:02,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 306 events. 127/306 cut-off events. For 492/537 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1566 event pairs, 11 based on Foata normal form. 1/288 useless extension candidates. Maximal degree in co-relation 1036. Up to 111 conditions per place. [2021-03-25 04:28:02,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-25 04:28:02,938 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:03,049 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:03,334 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-25 04:28:03,469 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-25 04:28:03,475 INFO L154 LiptonReduction]: Checked pairs total: 589 [2021-03-25 04:28:03,475 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:28:03,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 795 [2021-03-25 04:28:03,475 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 266 flow [2021-03-25 04:28:03,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 176.85714285714286) internal successors, (1238), 7 states have internal predecessors, (1238), 0 states have call successors, (0), 0 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 04:28:03,476 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:03,476 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 04:28:03,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:28:03,476 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:03,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:03,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1057371160, now seen corresponding path program 1 times [2021-03-25 04:28:03,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:03,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807418412] [2021-03-25 04:28:03,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:03,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:03,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:03,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:03,556 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 04:28:03,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807418412] [2021-03-25 04:28:03,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:03,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:03,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410510379] [2021-03-25 04:28:03,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:03,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:03,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:03,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:03,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 212 [2021-03-25 04:28:03,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 266 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 04:28:03,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:03,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 212 [2021-03-25 04:28:03,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:03,692 INFO L129 PetriNetUnfolder]: 202/452 cut-off events. [2021-03-25 04:28:03,692 INFO L130 PetriNetUnfolder]: For 1212/1354 co-relation queries the response was YES. [2021-03-25 04:28:03,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 452 events. 202/452 cut-off events. For 1212/1354 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2596 event pairs, 14 based on Foata normal form. 40/466 useless extension candidates. Maximal degree in co-relation 1495. Up to 152 conditions per place. [2021-03-25 04:28:03,694 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 4 selfloop transitions, 3 changer transitions 1/46 dead transitions. [2021-03-25 04:28:03,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 46 transitions, 289 flow [2021-03-25 04:28:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:28:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:28:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-03-25 04:28:03,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8891509433962265 [2021-03-25 04:28:03,696 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-03-25 04:28:03,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-03-25 04:28:03,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:03,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-03-25 04:28:03,698 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 04:28:03,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:03,700 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:03,700 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 266 flow. Second operand 4 states and 754 transitions. [2021-03-25 04:28:03,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 46 transitions, 289 flow [2021-03-25 04:28:03,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 233 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-25 04:28:03,704 INFO L241 Difference]: Finished difference. Result has 51 places, 45 transitions, 231 flow [2021-03-25 04:28:03,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=231, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2021-03-25 04:28:03,704 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -10 predicate places. [2021-03-25 04:28:03,704 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:03,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 45 transitions, 231 flow [2021-03-25 04:28:03,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 45 transitions, 231 flow [2021-03-25 04:28:03,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 45 transitions, 231 flow [2021-03-25 04:28:03,737 INFO L129 PetriNetUnfolder]: 195/437 cut-off events. [2021-03-25 04:28:03,738 INFO L130 PetriNetUnfolder]: For 417/465 co-relation queries the response was YES. [2021-03-25 04:28:03,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1239 conditions, 437 events. 195/437 cut-off events. For 417/465 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2555 event pairs, 20 based on Foata normal form. 21/432 useless extension candidates. Maximal degree in co-relation 1222. Up to 136 conditions per place. [2021-03-25 04:28:03,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 478 [2021-03-25 04:28:03,746 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-25 04:28:03,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:03,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-25 04:28:03,747 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 231 flow [2021-03-25 04:28:03,747 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 04:28:03,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:03,747 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 04:28:03,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:28:03,747 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:03,747 INFO L82 PathProgramCache]: Analyzing trace with hash -115157388, now seen corresponding path program 1 times [2021-03-25 04:28:03,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:03,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246995238] [2021-03-25 04:28:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:03,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:03,815 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 04:28:03,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246995238] [2021-03-25 04:28:03,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:03,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:03,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698764368] [2021-03-25 04:28:03,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:03,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:03,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:03,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:03,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 212 [2021-03-25 04:28:03,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 231 flow. Second operand has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 04:28:03,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:03,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 212 [2021-03-25 04:28:03,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:03,880 INFO L129 PetriNetUnfolder]: 307/691 cut-off events. [2021-03-25 04:28:03,880 INFO L130 PetriNetUnfolder]: For 895/995 co-relation queries the response was YES. [2021-03-25 04:28:03,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2000 conditions, 691 events. 307/691 cut-off events. For 895/995 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 4562 event pairs, 36 based on Foata normal form. 36/689 useless extension candidates. Maximal degree in co-relation 1981. Up to 216 conditions per place. [2021-03-25 04:28:03,883 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 3 selfloop transitions, 2 changer transitions 5/46 dead transitions. [2021-03-25 04:28:03,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 249 flow [2021-03-25 04:28:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:28:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:28:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 742 transitions. [2021-03-25 04:28:03,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-03-25 04:28:03,885 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 742 transitions. [2021-03-25 04:28:03,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 742 transitions. [2021-03-25 04:28:03,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:03,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 742 transitions. [2021-03-25 04:28:03,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 185.5) internal successors, (742), 4 states have internal predecessors, (742), 0 states have call successors, (0), 0 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 04:28:03,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:03,888 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:03,888 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 231 flow. Second operand 4 states and 742 transitions. [2021-03-25 04:28:03,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 249 flow [2021-03-25 04:28:03,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 46 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:28:03,897 INFO L241 Difference]: Finished difference. Result has 55 places, 41 transitions, 216 flow [2021-03-25 04:28:03,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=216, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2021-03-25 04:28:03,897 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2021-03-25 04:28:03,897 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:03,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 41 transitions, 216 flow [2021-03-25 04:28:03,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 41 transitions, 216 flow [2021-03-25 04:28:03,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 41 transitions, 216 flow [2021-03-25 04:28:03,934 INFO L129 PetriNetUnfolder]: 262/585 cut-off events. [2021-03-25 04:28:03,934 INFO L130 PetriNetUnfolder]: For 676/719 co-relation queries the response was YES. [2021-03-25 04:28:03,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1679 conditions, 585 events. 262/585 cut-off events. For 676/719 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3803 event pairs, 22 based on Foata normal form. 12/550 useless extension candidates. Maximal degree in co-relation 1660. Up to 194 conditions per place. [2021-03-25 04:28:03,938 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 04:28:03,945 INFO L154 LiptonReduction]: Checked pairs total: 70 [2021-03-25 04:28:03,945 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:03,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 04:28:03,946 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 216 flow [2021-03-25 04:28:03,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 04:28:03,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:03,947 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 04:28:03,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:28:03,947 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:03,947 INFO L82 PathProgramCache]: Analyzing trace with hash 245386294, now seen corresponding path program 2 times [2021-03-25 04:28:03,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:03,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991621827] [2021-03-25 04:28:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:03,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:03,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:04,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:04,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:04,005 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 04:28:04,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991621827] [2021-03-25 04:28:04,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:04,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:04,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803205016] [2021-03-25 04:28:04,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:04,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:04,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:04,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:04,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 212 [2021-03-25 04:28:04,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 216 flow. Second operand has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 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 04:28:04,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:04,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 212 [2021-03-25 04:28:04,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:04,061 INFO L129 PetriNetUnfolder]: 322/723 cut-off events. [2021-03-25 04:28:04,061 INFO L130 PetriNetUnfolder]: For 1028/1091 co-relation queries the response was YES. [2021-03-25 04:28:04,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 723 events. 322/723 cut-off events. For 1028/1091 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 4827 event pairs, 39 based on Foata normal form. 22/693 useless extension candidates. Maximal degree in co-relation 2100. Up to 238 conditions per place. [2021-03-25 04:28:04,064 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 3 selfloop transitions, 1 changer transitions 6/41 dead transitions. [2021-03-25 04:28:04,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 41 transitions, 228 flow [2021-03-25 04:28:04,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:28:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:28:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2021-03-25 04:28:04,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8702830188679245 [2021-03-25 04:28:04,065 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2021-03-25 04:28:04,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2021-03-25 04:28:04,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:04,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2021-03-25 04:28:04,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 0 states have call successors, (0), 0 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 04:28:04,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:04,068 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 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 04:28:04,068 INFO L185 Difference]: Start difference. First operand has 55 places, 41 transitions, 216 flow. Second operand 4 states and 738 transitions. [2021-03-25 04:28:04,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 41 transitions, 228 flow [2021-03-25 04:28:04,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 41 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:28:04,078 INFO L241 Difference]: Finished difference. Result has 58 places, 35 transitions, 180 flow [2021-03-25 04:28:04,078 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=58, PETRI_TRANSITIONS=35} [2021-03-25 04:28:04,079 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2021-03-25 04:28:04,079 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:04,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 35 transitions, 180 flow [2021-03-25 04:28:04,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 35 transitions, 180 flow [2021-03-25 04:28:04,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 35 transitions, 180 flow [2021-03-25 04:28:04,087 INFO L129 PetriNetUnfolder]: 38/118 cut-off events. [2021-03-25 04:28:04,087 INFO L130 PetriNetUnfolder]: For 218/243 co-relation queries the response was YES. [2021-03-25 04:28:04,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 118 events. 38/118 cut-off events. For 218/243 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 481 event pairs, 4 based on Foata normal form. 8/118 useless extension candidates. Maximal degree in co-relation 320. Up to 36 conditions per place. [2021-03-25 04:28:04,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 174 [2021-03-25 04:28:04,665 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2021-03-25 04:28:04,920 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 04:28:06,072 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 304 DAG size of output: 260 [2021-03-25 04:28:06,602 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-03-25 04:28:07,007 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 164 [2021-03-25 04:28:07,139 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-03-25 04:28:08,024 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 231 [2021-03-25 04:28:08,316 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-03-25 04:28:08,352 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-25 04:28:08,352 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:28:08,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4273 [2021-03-25 04:28:08,352 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 174 flow [2021-03-25 04:28:08,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 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 04:28:08,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:08,353 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 04:28:08,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:28:08,353 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:08,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1855516916, now seen corresponding path program 3 times [2021-03-25 04:28:08,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:08,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490607302] [2021-03-25 04:28:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:28:08,401 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:28:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:28:08,488 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:28:08,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:28:08,525 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:28:08,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:28:08,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:28:08 BasicIcfg [2021-03-25 04:28:08,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:28:08,630 INFO L168 Benchmark]: Toolchain (without parser) took 14405.60 ms. Allocated memory was 318.8 MB in the beginning and 748.7 MB in the end (delta: 429.9 MB). Free memory was 280.9 MB in the beginning and 637.3 MB in the end (delta: -356.4 MB). Peak memory consumption was 76.6 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 318.8 MB. Free memory was 299.9 MB in the beginning and 299.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.84 ms. Allocated memory is still 318.8 MB. Free memory was 280.7 MB in the beginning and 276.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.10 ms. Allocated memory is still 318.8 MB. Free memory was 276.5 MB in the beginning and 273.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 ms. Allocated memory is still 318.8 MB. Free memory was 273.3 MB in the beginning and 271.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: RCFGBuilder took 1612.60 ms. Allocated memory is still 318.8 MB. Free memory was 271.2 MB in the beginning and 155.1 MB in the end (delta: 116.1 MB). Peak memory consumption was 142.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:08,631 INFO L168 Benchmark]: TraceAbstraction took 12170.73 ms. Allocated memory was 318.8 MB in the beginning and 748.7 MB in the end (delta: 429.9 MB). Free memory was 155.1 MB in the beginning and 637.3 MB in the end (delta: -482.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:28:08,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 318.8 MB. Free memory was 299.9 MB in the beginning and 299.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 504.84 ms. Allocated memory is still 318.8 MB. Free memory was 280.7 MB in the beginning and 276.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 75.10 ms. Allocated memory is still 318.8 MB. Free memory was 276.5 MB in the beginning and 273.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.77 ms. Allocated memory is still 318.8 MB. Free memory was 273.3 MB in the beginning and 271.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1612.60 ms. Allocated memory is still 318.8 MB. Free memory was 271.2 MB in the beginning and 155.1 MB in the end (delta: 116.1 MB). Peak memory consumption was 142.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12170.73 ms. Allocated memory was 318.8 MB in the beginning and 748.7 MB in the end (delta: 429.9 MB). Free memory was 155.1 MB in the beginning and 637.3 MB in the end (delta: -482.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2225.7ms, 125 PlacesBefore, 61 PlacesAfterwards, 114 TransitionsBefore, 49 TransitionsAfterwards, 2502 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 4068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2042, positive: 1951, positive conditional: 0, positive unconditional: 1951, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1195, positive: 1167, positive conditional: 0, positive unconditional: 1167, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1195, positive: 1167, positive conditional: 0, positive unconditional: 1167, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2042, positive: 784, positive conditional: 0, positive unconditional: 784, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 1195, unknown conditional: 0, unknown unconditional: 1195] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 946.7ms, 57 PlacesBefore, 42 PlacesAfterwards, 46 TransitionsBefore, 31 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 2204 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 460, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 99, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 460, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 99, unknown conditional: 0, unknown unconditional: 99] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1182.2ms, 45 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 26 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 343, positive: 271, positive conditional: 0, positive unconditional: 271, negative: 72, negative conditional: 0, negative unconditional: 72, 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: 343, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.3ms, 39 PlacesBefore, 38 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 680 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 159, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 124, Positive conditional cache size: 0, Positive unconditional cache size: 124, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 43 PlacesBefore, 41 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 279 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 70, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.2ms, 47 PlacesBefore, 45 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 67, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9ms, 50 PlacesBefore, 48 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 436 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 74, positive conditional: 0, positive unconditional: 74, 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: 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: 94, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.8ms, 49 PlacesBefore, 49 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 181 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 7, negative conditional: 0, negative unconditional: 7, 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: 57, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 795.0ms, 57 PlacesBefore, 53 PlacesAfterwards, 47 TransitionsBefore, 44 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 589 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 133, positive conditional: 0, positive unconditional: 133, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 157, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.6ms, 51 PlacesBefore, 51 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 478 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 146 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 85, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.7ms, 55 PlacesBefore, 55 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 70 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 26, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4273.1ms, 58 PlacesBefore, 51 PlacesAfterwards, 35 TransitionsBefore, 32 TransitionsAfterwards, 174 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 73, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - 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_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t101; [L872] FCALL, FORK 0 pthread_create(&t101, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t102; [L874] FCALL, FORK 0 pthread_create(&t102, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t103; [L876] FCALL, FORK 0 pthread_create(&t103, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] 0 pthread_t t104; [L878] FCALL, FORK 0 pthread_create(&t104, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L846] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L786] 3 y = 1 [L789] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EBX = z [L804] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L779] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 2 return 0; [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L884] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L884] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L885] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L885] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L886] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L886] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L887] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L887] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L888] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 11927.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 902.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2304.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 31 SDslu, 29 SDs, 0 SdLazy, 216 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 162.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 129.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=8, InterpolantAutomatonStates: 54, 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: 45.8ms SsaConstructionTime, 436.6ms SatisfiabilityAnalysisTime, 525.1ms InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 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...